mbedtls: Update to upstream version 2.16.4
Fixes CVE-2019-18222.
`include/mbedtls/version.h` was modified to include the forgotten
version bump to 2.16.4, fixed upstream by ARMmbed/mbedtls#2992.
(cherry picked from commit 724487b3c1
)
This commit is contained in:
parent
58c58ec212
commit
879fc0b581
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@ -285,10 +285,11 @@ Godot build configurations, check them out when updating.
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## mbedtls
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## mbedtls
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- Upstream: https://tls.mbed.org/
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- Upstream: https://tls.mbed.org/
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- Version: 2.16.3
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- Version: 2.16.4
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- License: Apache 2.0
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- License: Apache 2.0
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File extracted from upstream release tarball (`-apache.tgz` variant):
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File extracted from upstream release tarball (`-apache.tgz` variant):
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- All `*.h` from `include/mbedtls/` to `thirdparty/mbedtls/include/mbedtls/`
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- All `*.h` from `include/mbedtls/` to `thirdparty/mbedtls/include/mbedtls/`
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- All `*.c` from `library/` to `thirdparty/mbedtls/library/`
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- All `*.c` from `library/` to `thirdparty/mbedtls/library/`
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- LICENSE and apache-2.0.txt files
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- LICENSE and apache-2.0.txt files
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@ -184,7 +184,7 @@ extern "C" {
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*/
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*/
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typedef struct mbedtls_mpi
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typedef struct mbedtls_mpi
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{
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{
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int s; /*!< integer sign */
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int s; /*!< Sign: -1 if the mpi is negative, 1 otherwise */
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size_t n; /*!< total # of limbs */
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size_t n; /*!< total # of limbs */
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mbedtls_mpi_uint *p; /*!< pointer to limbs */
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mbedtls_mpi_uint *p; /*!< pointer to limbs */
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}
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}
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@ -559,6 +559,24 @@ int mbedtls_mpi_cmp_abs( const mbedtls_mpi *X, const mbedtls_mpi *Y );
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*/
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*/
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int mbedtls_mpi_cmp_mpi( const mbedtls_mpi *X, const mbedtls_mpi *Y );
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int mbedtls_mpi_cmp_mpi( const mbedtls_mpi *X, const mbedtls_mpi *Y );
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/**
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* \brief Check if an MPI is less than the other in constant time.
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*
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* \param X The left-hand MPI. This must point to an initialized MPI
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* with the same allocated length as Y.
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* \param Y The right-hand MPI. This must point to an initialized MPI
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* with the same allocated length as X.
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* \param ret The result of the comparison:
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* \c 1 if \p X is less than \p Y.
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* \c 0 if \p X is greater than or equal to \p Y.
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*
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* \return 0 on success.
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* \return MBEDTLS_ERR_MPI_BAD_INPUT_DATA if the allocated length of
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* the two input MPIs is not the same.
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*/
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int mbedtls_mpi_lt_mpi_ct( const mbedtls_mpi *X, const mbedtls_mpi *Y,
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unsigned *ret );
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/**
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/**
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* \brief Compare an MPI with an integer.
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* \brief Compare an MPI with an integer.
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*
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*
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@ -281,6 +281,14 @@
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#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
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#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
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#endif
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#endif
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#if defined(MBEDTLS_MEMORY_BACKTRACE) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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#error "MBEDTLS_MEMORY_BACKTRACE defined, but not all prerequesites"
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#endif
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#if defined(MBEDTLS_MEMORY_DEBUG) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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#error "MBEDTLS_MEMORY_DEBUG defined, but not all prerequesites"
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#endif
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#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
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#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
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#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
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#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
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#endif
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#endif
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@ -689,6 +689,13 @@
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#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
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#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
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#define MBEDTLS_CIPHER_PADDING_ZEROS
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#define MBEDTLS_CIPHER_PADDING_ZEROS
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/** \def MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
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*
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* Uncomment this macro to use a 128-bit key in the CTR_DRBG module.
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* By default, CTR_DRBG uses a 256-bit key.
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*/
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//#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
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/**
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/**
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* \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES
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* \def MBEDTLS_ENABLE_WEAK_CIPHERSUITES
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*
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*
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@ -2149,7 +2156,11 @@
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*
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*
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* Enable the CTR_DRBG AES-based random generator.
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* Enable the CTR_DRBG AES-based random generator.
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* The CTR_DRBG generator uses AES-256 by default.
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* The CTR_DRBG generator uses AES-256 by default.
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* To use AES-128 instead, enable MBEDTLS_CTR_DRBG_USE_128_BIT_KEY below.
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* To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above.
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*
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* \note To achieve a 256-bit security strength with CTR_DRBG,
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* you must use AES-256 *and* use sufficient entropy.
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* See ctr_drbg.h for more details.
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*
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*
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* Module: library/ctr_drbg.c
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* Module: library/ctr_drbg.c
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* Caller:
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* Caller:
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@ -3043,7 +3054,6 @@
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//#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
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//#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
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//#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
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//#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
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//#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
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//#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
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//#define MBEDTLS_CTR_DRBG_USE_128_BIT_KEY /**< Use 128-bit key for CTR_DRBG - may reduce security (see ctr_drbg.h) */
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/* HMAC_DRBG options */
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/* HMAC_DRBG options */
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//#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
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//#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
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@ -1,7 +1,8 @@
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/**
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/**
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* \file ctr_drbg.h
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* \file ctr_drbg.h
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*
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*
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* \brief This file contains CTR_DRBG definitions and functions.
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* \brief This file contains definitions and functions for the
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* CTR_DRBG pseudorandom generator.
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*
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*
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* CTR_DRBG is a standardized way of building a PRNG from a block-cipher
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* CTR_DRBG is a standardized way of building a PRNG from a block-cipher
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* in counter mode operation, as defined in <em>NIST SP 800-90A:
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* in counter mode operation, as defined in <em>NIST SP 800-90A:
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@ -9,13 +10,35 @@
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* Bit Generators</em>.
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* Bit Generators</em>.
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*
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*
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* The Mbed TLS implementation of CTR_DRBG uses AES-256 (default) or AES-128
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* The Mbed TLS implementation of CTR_DRBG uses AES-256 (default) or AES-128
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* as the underlying block cipher.
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* (if \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is enabled at compile time)
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* as the underlying block cipher, with a derivation function.
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* The initial seeding grabs #MBEDTLS_CTR_DRBG_ENTROPY_LEN bytes of entropy.
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* See the documentation of mbedtls_ctr_drbg_seed() for more details.
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*
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*
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* \warning Using 128-bit keys for CTR_DRBG limits the security of generated
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* Based on NIST SP 800-90A §10.2.1 table 3 and NIST SP 800-57 part 1 table 2,
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* keys and operations that use random values generated to 128-bit security.
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* here are the security strengths achieved in typical configuration:
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* - 256 bits under the default configuration of the library, with AES-256
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* and with #MBEDTLS_CTR_DRBG_ENTROPY_LEN set to 48 or more.
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* - 256 bits if AES-256 is used, #MBEDTLS_CTR_DRBG_ENTROPY_LEN is set
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* to 32 or more, and the DRBG is initialized with an explicit
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* nonce in the \c custom parameter to mbedtls_ctr_drbg_seed().
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* - 128 bits if AES-256 is used but #MBEDTLS_CTR_DRBG_ENTROPY_LEN is
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* between 24 and 47 and the DRBG is not initialized with an explicit
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* nonce (see mbedtls_ctr_drbg_seed()).
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* - 128 bits if AES-128 is used (\c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY enabled)
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* and #MBEDTLS_CTR_DRBG_ENTROPY_LEN is set to 24 or more (which is
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* always the case unless it is explicitly set to a different value
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* in config.h).
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*
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* Note that the value of #MBEDTLS_CTR_DRBG_ENTROPY_LEN defaults to:
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* - \c 48 if the module \c MBEDTLS_SHA512_C is enabled and the symbol
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* \c MBEDTLS_ENTROPY_FORCE_SHA256 is disabled at compile time.
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* This is the default configuration of the library.
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* - \c 32 if the module \c MBEDTLS_SHA512_C is disabled at compile time.
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* - \c 32 if \c MBEDTLS_ENTROPY_FORCE_SHA256 is enabled at compile time.
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*/
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*/
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/*
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/*
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* Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved
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* Copyright (C) 2006-2019, Arm Limited (or its affiliates), All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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* SPDX-License-Identifier: Apache-2.0
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*
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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@ -56,9 +79,19 @@
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#define MBEDTLS_CTR_DRBG_BLOCKSIZE 16 /**< The block size used by the cipher. */
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#define MBEDTLS_CTR_DRBG_BLOCKSIZE 16 /**< The block size used by the cipher. */
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#if defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
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#if defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
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#define MBEDTLS_CTR_DRBG_KEYSIZE 16 /**< The key size used by the cipher (compile-time choice: 128 bits). */
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#define MBEDTLS_CTR_DRBG_KEYSIZE 16
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/**< The key size in bytes used by the cipher.
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*
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* Compile-time choice: 16 bytes (128 bits)
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* because #MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is enabled.
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*/
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#else
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#else
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#define MBEDTLS_CTR_DRBG_KEYSIZE 32 /**< The key size used by the cipher (compile-time choice: 256 bits). */
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#define MBEDTLS_CTR_DRBG_KEYSIZE 32
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/**< The key size in bytes used by the cipher.
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*
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* Compile-time choice: 32 bytes (256 bits)
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* because \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is disabled.
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*/
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#endif
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#endif
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#define MBEDTLS_CTR_DRBG_KEYBITS ( MBEDTLS_CTR_DRBG_KEYSIZE * 8 ) /**< The key size for the DRBG operation, in bits. */
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#define MBEDTLS_CTR_DRBG_KEYBITS ( MBEDTLS_CTR_DRBG_KEYSIZE * 8 ) /**< The key size for the DRBG operation, in bits. */
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@ -73,21 +106,31 @@
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* \{
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* \{
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*/
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*/
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/** \def MBEDTLS_CTR_DRBG_ENTROPY_LEN
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*
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* \brief The amount of entropy used per seed by default, in bytes.
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*/
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#if !defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN)
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#if !defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN)
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#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
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#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
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/** This is 48 bytes because the entropy module uses SHA-512
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* (\c MBEDTLS_ENTROPY_FORCE_SHA256 is disabled).
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*/
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#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48
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#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48
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/**< The amount of entropy used per seed by default:
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* <ul><li>48 with SHA-512.</li>
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#else /* defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256) */
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* <li>32 with SHA-256.</li></ul>
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/** This is 32 bytes because the entropy module uses SHA-256
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* (the SHA512 module is disabled or
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* \c MBEDTLS_ENTROPY_FORCE_SHA256 is enabled).
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*/
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*/
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#else
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#if !defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
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/** \warning To achieve a 256-bit security strength, you must pass a nonce
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* to mbedtls_ctr_drbg_seed().
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*/
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#endif /* !defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY) */
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#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 32
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#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 32
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/**< Amount of entropy used per seed by default:
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#endif /* defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256) */
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* <ul><li>48 with SHA-512.</li>
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#endif /* !defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) */
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* <li>32 with SHA-256.</li></ul>
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*/
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#endif
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#endif
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#if !defined(MBEDTLS_CTR_DRBG_RESEED_INTERVAL)
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#if !defined(MBEDTLS_CTR_DRBG_RESEED_INTERVAL)
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#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000
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#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000
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@ -106,7 +149,7 @@
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#if !defined(MBEDTLS_CTR_DRBG_MAX_SEED_INPUT)
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#if !defined(MBEDTLS_CTR_DRBG_MAX_SEED_INPUT)
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#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384
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#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384
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/**< The maximum size of seed or reseed buffer. */
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/**< The maximum size of seed or reseed buffer in bytes. */
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#endif
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#endif
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/* \} name SECTION: Module settings */
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/* \} name SECTION: Module settings */
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* \brief This function seeds and sets up the CTR_DRBG
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* \brief This function seeds and sets up the CTR_DRBG
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* entropy source for future reseeds.
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* entropy source for future reseeds.
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*
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*
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* \note Personalization data can be provided in addition to the more generic
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* A typical choice for the \p f_entropy and \p p_entropy parameters is
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* entropy source, to make this instantiation as unique as possible.
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* to use the entropy module:
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* - \p f_entropy is mbedtls_entropy_func();
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* - \p p_entropy is an instance of ::mbedtls_entropy_context initialized
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* with mbedtls_entropy_init() (which registers the platform's default
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* entropy sources).
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*
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*
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* The entropy length is #MBEDTLS_CTR_DRBG_ENTROPY_LEN by default.
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* You can override it by calling mbedtls_ctr_drbg_set_entropy_len().
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*
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* You can provide a personalization string in addition to the
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* entropy source, to make this instantiation as unique as possible.
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*
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* \note The _seed_material_ value passed to the derivation
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* function in the CTR_DRBG Instantiate Process
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* described in NIST SP 800-90A §10.2.1.3.2
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* is the concatenation of the string obtained from
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* calling \p f_entropy and the \p custom string.
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* The origin of the nonce depends on the value of
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* the entropy length relative to the security strength.
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* - If the entropy length is at least 1.5 times the
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* security strength then the nonce is taken from the
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* string obtained with \p f_entropy.
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* - If the entropy length is less than the security
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* strength, then the nonce is taken from \p custom.
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* In this case, for compliance with SP 800-90A,
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* you must pass a unique value of \p custom at
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* each invocation. See SP 800-90A §8.6.7 for more
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* details.
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*/
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#if MBEDTLS_CTR_DRBG_ENTROPY_LEN < MBEDTLS_CTR_DRBG_KEYSIZE * 3 / 2
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/** \warning When #MBEDTLS_CTR_DRBG_ENTROPY_LEN is less than
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* #MBEDTLS_CTR_DRBG_KEYSIZE * 3 / 2, to achieve the
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* maximum security strength permitted by CTR_DRBG,
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* you must pass a value of \p custom that is a nonce:
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* this value must never be repeated in subsequent
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* runs of the same application or on a different
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* device.
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*/
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#endif
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/**
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* \param ctx The CTR_DRBG context to seed.
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* \param ctx The CTR_DRBG context to seed.
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* It must have been initialized with
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* mbedtls_ctr_drbg_init().
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* After a successful call to mbedtls_ctr_drbg_seed(),
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* you may not call mbedtls_ctr_drbg_seed() again on
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* the same context unless you call
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* mbedtls_ctr_drbg_free() and mbedtls_ctr_drbg_init()
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* again first.
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* \param f_entropy The entropy callback, taking as arguments the
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* \param f_entropy The entropy callback, taking as arguments the
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* \p p_entropy context, the buffer to fill, and the
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* \p p_entropy context, the buffer to fill, and the
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length of the buffer.
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* length of the buffer.
|
||||||
* \param p_entropy The entropy context.
|
* \p f_entropy is always called with a buffer size
|
||||||
* \param custom Personalization data, that is device-specific
|
* equal to the entropy length.
|
||||||
identifiers. Can be NULL.
|
* \param p_entropy The entropy context to pass to \p f_entropy.
|
||||||
* \param len The length of the personalization data.
|
* \param custom The personalization string.
|
||||||
|
* This can be \c NULL, in which case the personalization
|
||||||
|
* string is empty regardless of the value of \p len.
|
||||||
|
* \param len The length of the personalization string.
|
||||||
|
* This must be at most
|
||||||
|
* #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT
|
||||||
|
* - #MBEDTLS_CTR_DRBG_ENTROPY_LEN.
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
|
||||||
|
@ -197,7 +291,8 @@ void mbedtls_ctr_drbg_free( mbedtls_ctr_drbg_context *ctx );
|
||||||
* The default value is off.
|
* The default value is off.
|
||||||
*
|
*
|
||||||
* \note If enabled, entropy is gathered at the beginning of
|
* \note If enabled, entropy is gathered at the beginning of
|
||||||
* every call to mbedtls_ctr_drbg_random_with_add().
|
* every call to mbedtls_ctr_drbg_random_with_add()
|
||||||
|
* or mbedtls_ctr_drbg_random().
|
||||||
* Only use this if your entropy source has sufficient
|
* Only use this if your entropy source has sufficient
|
||||||
* throughput.
|
* throughput.
|
||||||
*
|
*
|
||||||
|
@ -209,18 +304,37 @@ void mbedtls_ctr_drbg_set_prediction_resistance( mbedtls_ctr_drbg_context *ctx,
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief This function sets the amount of entropy grabbed on each
|
* \brief This function sets the amount of entropy grabbed on each
|
||||||
* seed or reseed. The default value is
|
* seed or reseed.
|
||||||
* #MBEDTLS_CTR_DRBG_ENTROPY_LEN.
|
*
|
||||||
|
* The default value is #MBEDTLS_CTR_DRBG_ENTROPY_LEN.
|
||||||
|
*
|
||||||
|
* \note The security strength of CTR_DRBG is bounded by the
|
||||||
|
* entropy length. Thus:
|
||||||
|
* - When using AES-256
|
||||||
|
* (\c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is disabled,
|
||||||
|
* which is the default),
|
||||||
|
* \p len must be at least 32 (in bytes)
|
||||||
|
* to achieve a 256-bit strength.
|
||||||
|
* - When using AES-128
|
||||||
|
* (\c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is enabled)
|
||||||
|
* \p len must be at least 16 (in bytes)
|
||||||
|
* to achieve a 128-bit strength.
|
||||||
*
|
*
|
||||||
* \param ctx The CTR_DRBG context.
|
* \param ctx The CTR_DRBG context.
|
||||||
* \param len The amount of entropy to grab.
|
* \param len The amount of entropy to grab, in bytes.
|
||||||
|
* This must be at most #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT.
|
||||||
*/
|
*/
|
||||||
void mbedtls_ctr_drbg_set_entropy_len( mbedtls_ctr_drbg_context *ctx,
|
void mbedtls_ctr_drbg_set_entropy_len( mbedtls_ctr_drbg_context *ctx,
|
||||||
size_t len );
|
size_t len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief This function sets the reseed interval.
|
* \brief This function sets the reseed interval.
|
||||||
* The default value is #MBEDTLS_CTR_DRBG_RESEED_INTERVAL.
|
*
|
||||||
|
* The reseed interval is the number of calls to mbedtls_ctr_drbg_random()
|
||||||
|
* or mbedtls_ctr_drbg_random_with_add() after which the entropy function
|
||||||
|
* is called again.
|
||||||
|
*
|
||||||
|
* The default value is #MBEDTLS_CTR_DRBG_RESEED_INTERVAL.
|
||||||
*
|
*
|
||||||
* \param ctx The CTR_DRBG context.
|
* \param ctx The CTR_DRBG context.
|
||||||
* \param interval The reseed interval.
|
* \param interval The reseed interval.
|
||||||
|
@ -233,8 +347,12 @@ void mbedtls_ctr_drbg_set_reseed_interval( mbedtls_ctr_drbg_context *ctx,
|
||||||
* extracts data from the entropy source.
|
* extracts data from the entropy source.
|
||||||
*
|
*
|
||||||
* \param ctx The CTR_DRBG context.
|
* \param ctx The CTR_DRBG context.
|
||||||
* \param additional Additional data to add to the state. Can be NULL.
|
* \param additional Additional data to add to the state. Can be \c NULL.
|
||||||
* \param len The length of the additional data.
|
* \param len The length of the additional data.
|
||||||
|
* This must be less than
|
||||||
|
* #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT - \c entropy_len
|
||||||
|
* where \c entropy_len is the entropy length
|
||||||
|
* configured for the context.
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
|
||||||
|
@ -246,7 +364,8 @@ int mbedtls_ctr_drbg_reseed( mbedtls_ctr_drbg_context *ctx,
|
||||||
* \brief This function updates the state of the CTR_DRBG context.
|
* \brief This function updates the state of the CTR_DRBG context.
|
||||||
*
|
*
|
||||||
* \param ctx The CTR_DRBG context.
|
* \param ctx The CTR_DRBG context.
|
||||||
* \param additional The data to update the state with.
|
* \param additional The data to update the state with. This must not be
|
||||||
|
* \c NULL unless \p add_len is \c 0.
|
||||||
* \param add_len Length of \p additional in bytes. This must be at
|
* \param add_len Length of \p additional in bytes. This must be at
|
||||||
* most #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT.
|
* most #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT.
|
||||||
*
|
*
|
||||||
|
@ -264,14 +383,23 @@ int mbedtls_ctr_drbg_update_ret( mbedtls_ctr_drbg_context *ctx,
|
||||||
* \brief This function updates a CTR_DRBG instance with additional
|
* \brief This function updates a CTR_DRBG instance with additional
|
||||||
* data and uses it to generate random data.
|
* data and uses it to generate random data.
|
||||||
*
|
*
|
||||||
* \note The function automatically reseeds if the reseed counter is exceeded.
|
* This function automatically reseeds if the reseed counter is exceeded
|
||||||
|
* or prediction resistance is enabled.
|
||||||
*
|
*
|
||||||
* \param p_rng The CTR_DRBG context. This must be a pointer to a
|
* \param p_rng The CTR_DRBG context. This must be a pointer to a
|
||||||
* #mbedtls_ctr_drbg_context structure.
|
* #mbedtls_ctr_drbg_context structure.
|
||||||
* \param output The buffer to fill.
|
* \param output The buffer to fill.
|
||||||
* \param output_len The length of the buffer.
|
* \param output_len The length of the buffer in bytes.
|
||||||
* \param additional Additional data to update. Can be NULL.
|
* \param additional Additional data to update. Can be \c NULL, in which
|
||||||
* \param add_len The length of the additional data.
|
* case the additional data is empty regardless of
|
||||||
|
* the value of \p add_len.
|
||||||
|
* \param add_len The length of the additional data
|
||||||
|
* if \p additional is not \c NULL.
|
||||||
|
* This must be less than #MBEDTLS_CTR_DRBG_MAX_INPUT
|
||||||
|
* and less than
|
||||||
|
* #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT - \c entropy_len
|
||||||
|
* where \c entropy_len is the entropy length
|
||||||
|
* configured for the context.
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
|
||||||
|
@ -284,12 +412,14 @@ int mbedtls_ctr_drbg_random_with_add( void *p_rng,
|
||||||
/**
|
/**
|
||||||
* \brief This function uses CTR_DRBG to generate random data.
|
* \brief This function uses CTR_DRBG to generate random data.
|
||||||
*
|
*
|
||||||
* \note The function automatically reseeds if the reseed counter is exceeded.
|
* This function automatically reseeds if the reseed counter is exceeded
|
||||||
|
* or prediction resistance is enabled.
|
||||||
|
*
|
||||||
*
|
*
|
||||||
* \param p_rng The CTR_DRBG context. This must be a pointer to a
|
* \param p_rng The CTR_DRBG context. This must be a pointer to a
|
||||||
* #mbedtls_ctr_drbg_context structure.
|
* #mbedtls_ctr_drbg_context structure.
|
||||||
* \param output The buffer to fill.
|
* \param output The buffer to fill.
|
||||||
* \param output_len The length of the buffer.
|
* \param output_len The length of the buffer in bytes.
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
|
||||||
|
@ -336,7 +466,7 @@ MBEDTLS_DEPRECATED void mbedtls_ctr_drbg_update(
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error.
|
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on reseed
|
||||||
* failure.
|
* failure.
|
||||||
*/
|
*/
|
||||||
int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
|
int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
|
||||||
|
@ -350,8 +480,10 @@ int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char
|
||||||
*
|
*
|
||||||
* \return \c 0 on success.
|
* \return \c 0 on success.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error.
|
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error.
|
||||||
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
|
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on
|
||||||
* #MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG on failure.
|
* reseed failure.
|
||||||
|
* \return #MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG if the existing
|
||||||
|
* seed file is too large.
|
||||||
*/
|
*/
|
||||||
int mbedtls_ctr_drbg_update_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
|
int mbedtls_ctr_drbg_update_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
|
||||||
#endif /* MBEDTLS_FS_IO */
|
#endif /* MBEDTLS_FS_IO */
|
||||||
|
|
|
@ -1,10 +1,14 @@
|
||||||
/**
|
/**
|
||||||
* \file hmac_drbg.h
|
* \file hmac_drbg.h
|
||||||
*
|
*
|
||||||
* \brief HMAC_DRBG (NIST SP 800-90A)
|
* \brief The HMAC_DRBG pseudorandom generator.
|
||||||
|
*
|
||||||
|
* This module implements the HMAC_DRBG pseudorandom generator described
|
||||||
|
* in <em>NIST SP 800-90A: Recommendation for Random Number Generation Using
|
||||||
|
* Deterministic Random Bit Generators</em>.
|
||||||
*/
|
*/
|
||||||
/*
|
/*
|
||||||
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
* Copyright (C) 2006-2019, ARM Limited, All Rights Reserved
|
||||||
* SPDX-License-Identifier: Apache-2.0
|
* SPDX-License-Identifier: Apache-2.0
|
||||||
*
|
*
|
||||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||||
|
@ -104,38 +108,72 @@ typedef struct mbedtls_hmac_drbg_context
|
||||||
} mbedtls_hmac_drbg_context;
|
} mbedtls_hmac_drbg_context;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG context initialization
|
* \brief HMAC_DRBG context initialization.
|
||||||
* Makes the context ready for mbedtls_hmac_drbg_seed(),
|
|
||||||
* mbedtls_hmac_drbg_seed_buf() or
|
|
||||||
* mbedtls_hmac_drbg_free().
|
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context to be initialized
|
* This function makes the context ready for mbedtls_hmac_drbg_seed(),
|
||||||
|
* mbedtls_hmac_drbg_seed_buf() or mbedtls_hmac_drbg_free().
|
||||||
|
*
|
||||||
|
* \param ctx HMAC_DRBG context to be initialized.
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_init( mbedtls_hmac_drbg_context *ctx );
|
void mbedtls_hmac_drbg_init( mbedtls_hmac_drbg_context *ctx );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG initial seeding
|
* \brief HMAC_DRBG initial seeding.
|
||||||
* Seed and setup entropy source for future reseeds.
|
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context to be seeded
|
* Set the initial seed and set up the entropy source for future reseeds.
|
||||||
* \param md_info MD algorithm to use for HMAC_DRBG
|
|
||||||
* \param f_entropy Entropy callback (p_entropy, buffer to fill, buffer
|
|
||||||
* length)
|
|
||||||
* \param p_entropy Entropy context
|
|
||||||
* \param custom Personalization data (Device specific identifiers)
|
|
||||||
* (Can be NULL)
|
|
||||||
* \param len Length of personalization data
|
|
||||||
*
|
*
|
||||||
* \note The "security strength" as defined by NIST is set to:
|
* A typical choice for the \p f_entropy and \p p_entropy parameters is
|
||||||
* 128 bits if md_alg is SHA-1,
|
* to use the entropy module:
|
||||||
* 192 bits if md_alg is SHA-224,
|
* - \p f_entropy is mbedtls_entropy_func();
|
||||||
* 256 bits if md_alg is SHA-256 or higher.
|
* - \p p_entropy is an instance of ::mbedtls_entropy_context initialized
|
||||||
|
* with mbedtls_entropy_init() (which registers the platform's default
|
||||||
|
* entropy sources).
|
||||||
|
*
|
||||||
|
* You can provide a personalization string in addition to the
|
||||||
|
* entropy source, to make this instantiation as unique as possible.
|
||||||
|
*
|
||||||
|
* \note By default, the security strength as defined by NIST is:
|
||||||
|
* - 128 bits if \p md_info is SHA-1;
|
||||||
|
* - 192 bits if \p md_info is SHA-224;
|
||||||
|
* - 256 bits if \p md_info is SHA-256, SHA-384 or SHA-512.
|
||||||
* Note that SHA-256 is just as efficient as SHA-224.
|
* Note that SHA-256 is just as efficient as SHA-224.
|
||||||
|
* The security strength can be reduced if a smaller
|
||||||
|
* entropy length is set with
|
||||||
|
* mbedtls_hmac_drbg_set_entropy_len().
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or
|
* \note The default entropy length is the security strength
|
||||||
* MBEDTLS_ERR_MD_BAD_INPUT_DATA, or
|
* (converted from bits to bytes). You can override
|
||||||
* MBEDTLS_ERR_MD_ALLOC_FAILED, or
|
* it by calling mbedtls_hmac_drbg_set_entropy_len().
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED.
|
*
|
||||||
|
* \note During the initial seeding, this function calls
|
||||||
|
* the entropy source to obtain a nonce
|
||||||
|
* whose length is half the entropy length.
|
||||||
|
*
|
||||||
|
* \param ctx HMAC_DRBG context to be seeded.
|
||||||
|
* \param md_info MD algorithm to use for HMAC_DRBG.
|
||||||
|
* \param f_entropy The entropy callback, taking as arguments the
|
||||||
|
* \p p_entropy context, the buffer to fill, and the
|
||||||
|
* length of the buffer.
|
||||||
|
* \p f_entropy is always called with a length that is
|
||||||
|
* less than or equal to the entropy length.
|
||||||
|
* \param p_entropy The entropy context to pass to \p f_entropy.
|
||||||
|
* \param custom The personalization string.
|
||||||
|
* This can be \c NULL, in which case the personalization
|
||||||
|
* string is empty regardless of the value of \p len.
|
||||||
|
* \param len The length of the personalization string.
|
||||||
|
* This must be at most #MBEDTLS_HMAC_DRBG_MAX_INPUT
|
||||||
|
* and also at most
|
||||||
|
* #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \p entropy_len * 3 / 2
|
||||||
|
* where \p entropy_len is the entropy length
|
||||||
|
* described above.
|
||||||
|
*
|
||||||
|
* \return \c 0 if successful.
|
||||||
|
* \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA if \p md_info is
|
||||||
|
* invalid.
|
||||||
|
* \return #MBEDTLS_ERR_MD_ALLOC_FAILED if there was not enough
|
||||||
|
* memory to allocate context data.
|
||||||
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
||||||
|
* if the call to \p f_entropy failed.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
|
int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
|
||||||
const mbedtls_md_info_t * md_info,
|
const mbedtls_md_info_t * md_info,
|
||||||
|
@ -146,98 +184,131 @@ int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Initilisation of simpified HMAC_DRBG (never reseeds).
|
* \brief Initilisation of simpified HMAC_DRBG (never reseeds).
|
||||||
* (For use with deterministic ECDSA.)
|
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context to be initialised
|
* This function is meant for use in algorithms that need a pseudorandom
|
||||||
* \param md_info MD algorithm to use for HMAC_DRBG
|
* input such as deterministic ECDSA.
|
||||||
* \param data Concatenation of entropy string and additional data
|
|
||||||
* \param data_len Length of data in bytes
|
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or
|
* \param ctx HMAC_DRBG context to be initialised.
|
||||||
* MBEDTLS_ERR_MD_BAD_INPUT_DATA, or
|
* \param md_info MD algorithm to use for HMAC_DRBG.
|
||||||
* MBEDTLS_ERR_MD_ALLOC_FAILED.
|
* \param data Concatenation of the initial entropy string and
|
||||||
|
* the additional data.
|
||||||
|
* \param data_len Length of \p data in bytes.
|
||||||
|
*
|
||||||
|
* \return \c 0 if successful. or
|
||||||
|
* \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA if \p md_info is
|
||||||
|
* invalid.
|
||||||
|
* \return #MBEDTLS_ERR_MD_ALLOC_FAILED if there was not enough
|
||||||
|
* memory to allocate context data.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_seed_buf( mbedtls_hmac_drbg_context *ctx,
|
int mbedtls_hmac_drbg_seed_buf( mbedtls_hmac_drbg_context *ctx,
|
||||||
const mbedtls_md_info_t * md_info,
|
const mbedtls_md_info_t * md_info,
|
||||||
const unsigned char *data, size_t data_len );
|
const unsigned char *data, size_t data_len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Enable / disable prediction resistance (Default: Off)
|
* \brief This function turns prediction resistance on or off.
|
||||||
|
* The default value is off.
|
||||||
*
|
*
|
||||||
* Note: If enabled, entropy is used for ctx->entropy_len before each call!
|
* \note If enabled, entropy is gathered at the beginning of
|
||||||
* Only use this if you have ample supply of good entropy!
|
* every call to mbedtls_hmac_drbg_random_with_add()
|
||||||
|
* or mbedtls_hmac_drbg_random().
|
||||||
|
* Only use this if your entropy source has sufficient
|
||||||
|
* throughput.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param resistance MBEDTLS_HMAC_DRBG_PR_ON or MBEDTLS_HMAC_DRBG_PR_OFF
|
* \param resistance #MBEDTLS_HMAC_DRBG_PR_ON or #MBEDTLS_HMAC_DRBG_PR_OFF.
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx,
|
void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx,
|
||||||
int resistance );
|
int resistance );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Set the amount of entropy grabbed on each reseed
|
* \brief This function sets the amount of entropy grabbed on each
|
||||||
* (Default: given by the security strength, which
|
* seed or reseed.
|
||||||
* depends on the hash used, see \c mbedtls_hmac_drbg_init() )
|
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* See the documentation of mbedtls_hmac_drbg_seed() for the default value.
|
||||||
* \param len Amount of entropy to grab, in bytes
|
*
|
||||||
|
* \param ctx The HMAC_DRBG context.
|
||||||
|
* \param len The amount of entropy to grab, in bytes.
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
|
void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
|
||||||
size_t len );
|
size_t len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Set the reseed interval
|
* \brief Set the reseed interval.
|
||||||
* (Default: MBEDTLS_HMAC_DRBG_RESEED_INTERVAL)
|
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* The reseed interval is the number of calls to mbedtls_hmac_drbg_random()
|
||||||
* \param interval Reseed interval
|
* or mbedtls_hmac_drbg_random_with_add() after which the entropy function
|
||||||
|
* is called again.
|
||||||
|
*
|
||||||
|
* The default value is #MBEDTLS_HMAC_DRBG_RESEED_INTERVAL.
|
||||||
|
*
|
||||||
|
* \param ctx The HMAC_DRBG context.
|
||||||
|
* \param interval The reseed interval.
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_set_reseed_interval( mbedtls_hmac_drbg_context *ctx,
|
void mbedtls_hmac_drbg_set_reseed_interval( mbedtls_hmac_drbg_context *ctx,
|
||||||
int interval );
|
int interval );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG update state
|
* \brief This function updates the state of the HMAC_DRBG context.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param additional Additional data to update state with, or NULL
|
* \param additional The data to update the state with.
|
||||||
* \param add_len Length of additional data, or 0
|
* If this is \c NULL, there is no additional data.
|
||||||
|
* \param add_len Length of \p additional in bytes.
|
||||||
|
* Unused if \p additional is \c NULL.
|
||||||
*
|
*
|
||||||
* \return \c 0 on success, or an error from the underlying
|
* \return \c 0 on success, or an error from the underlying
|
||||||
* hash calculation.
|
* hash calculation.
|
||||||
*
|
|
||||||
* \note Additional data is optional, pass NULL and 0 as second
|
|
||||||
* third argument if no additional data is being used.
|
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx,
|
int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx,
|
||||||
const unsigned char *additional, size_t add_len );
|
const unsigned char *additional, size_t add_len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG reseeding (extracts data from entropy source)
|
* \brief This function reseeds the HMAC_DRBG context, that is
|
||||||
|
* extracts data from the entropy source.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param additional Additional data to add to state (Can be NULL)
|
* \param additional Additional data to add to the state.
|
||||||
* \param len Length of additional data
|
* If this is \c NULL, there is no additional data
|
||||||
|
* and \p len should be \c 0.
|
||||||
|
* \param len The length of the additional data.
|
||||||
|
* This must be at most #MBEDTLS_HMAC_DRBG_MAX_INPUT
|
||||||
|
* and also at most
|
||||||
|
* #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \p entropy_len
|
||||||
|
* where \p entropy_len is the entropy length
|
||||||
|
* (see mbedtls_hmac_drbg_set_entropy_len()).
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or
|
* \return \c 0 if successful.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
||||||
|
* if a call to the entropy function failed.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_reseed( mbedtls_hmac_drbg_context *ctx,
|
int mbedtls_hmac_drbg_reseed( mbedtls_hmac_drbg_context *ctx,
|
||||||
const unsigned char *additional, size_t len );
|
const unsigned char *additional, size_t len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG generate random with additional update input
|
* \brief This function updates an HMAC_DRBG instance with additional
|
||||||
|
* data and uses it to generate random data.
|
||||||
*
|
*
|
||||||
* Note: Automatically reseeds if reseed_counter is reached or PR is enabled.
|
* This function automatically reseeds if the reseed counter is exceeded
|
||||||
|
* or prediction resistance is enabled.
|
||||||
*
|
*
|
||||||
* \param p_rng HMAC_DRBG context
|
* \param p_rng The HMAC_DRBG context. This must be a pointer to a
|
||||||
* \param output Buffer to fill
|
* #mbedtls_hmac_drbg_context structure.
|
||||||
* \param output_len Length of the buffer
|
* \param output The buffer to fill.
|
||||||
* \param additional Additional data to update with (can be NULL)
|
* \param output_len The length of the buffer in bytes.
|
||||||
* \param add_len Length of additional data (can be 0)
|
* This must be at most #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
|
||||||
|
* \param additional Additional data to update with.
|
||||||
|
* If this is \c NULL, there is no additional data
|
||||||
|
* and \p add_len should be \c 0.
|
||||||
|
* \param add_len The length of the additional data.
|
||||||
|
* This must be at most #MBEDTLS_HMAC_DRBG_MAX_INPUT.
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or
|
* \return \c 0 if successful.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED, or
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG, or
|
* if a call to the entropy source failed.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG.
|
* \return #MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG if
|
||||||
|
* \p output_len > #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
|
||||||
|
* \return #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if
|
||||||
|
* \p add_len > #MBEDTLS_HMAC_DRBG_MAX_INPUT.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_random_with_add( void *p_rng,
|
int mbedtls_hmac_drbg_random_with_add( void *p_rng,
|
||||||
unsigned char *output, size_t output_len,
|
unsigned char *output, size_t output_len,
|
||||||
|
@ -245,24 +316,29 @@ int mbedtls_hmac_drbg_random_with_add( void *p_rng,
|
||||||
size_t add_len );
|
size_t add_len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG generate random
|
* \brief This function uses HMAC_DRBG to generate random data.
|
||||||
*
|
*
|
||||||
* Note: Automatically reseeds if reseed_counter is reached or PR is enabled.
|
* This function automatically reseeds if the reseed counter is exceeded
|
||||||
|
* or prediction resistance is enabled.
|
||||||
*
|
*
|
||||||
* \param p_rng HMAC_DRBG context
|
* \param p_rng The HMAC_DRBG context. This must be a pointer to a
|
||||||
* \param output Buffer to fill
|
* #mbedtls_hmac_drbg_context structure.
|
||||||
* \param out_len Length of the buffer
|
* \param output The buffer to fill.
|
||||||
|
* \param out_len The length of the buffer in bytes.
|
||||||
|
* This must be at most #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or
|
* \return \c 0 if successful.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED, or
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG
|
* if a call to the entropy source failed.
|
||||||
|
* \return #MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG if
|
||||||
|
* \p out_len > #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
|
int mbedtls_hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Free an HMAC_DRBG context
|
* \brief Free an HMAC_DRBG context
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context to free.
|
* \param ctx The HMAC_DRBG context to free.
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_free( mbedtls_hmac_drbg_context *ctx );
|
void mbedtls_hmac_drbg_free( mbedtls_hmac_drbg_context *ctx );
|
||||||
|
|
||||||
|
@ -273,17 +349,16 @@ void mbedtls_hmac_drbg_free( mbedtls_hmac_drbg_context *ctx );
|
||||||
#define MBEDTLS_DEPRECATED
|
#define MBEDTLS_DEPRECATED
|
||||||
#endif
|
#endif
|
||||||
/**
|
/**
|
||||||
* \brief HMAC_DRBG update state
|
* \brief This function updates the state of the HMAC_DRBG context.
|
||||||
*
|
*
|
||||||
* \deprecated Superseded by mbedtls_hmac_drbg_update_ret()
|
* \deprecated Superseded by mbedtls_hmac_drbg_update_ret()
|
||||||
* in 2.16.0.
|
* in 2.16.0.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param additional Additional data to update state with, or NULL
|
* \param additional The data to update the state with.
|
||||||
* \param add_len Length of additional data, or 0
|
* If this is \c NULL, there is no additional data.
|
||||||
*
|
* \param add_len Length of \p additional in bytes.
|
||||||
* \note Additional data is optional, pass NULL and 0 as second
|
* Unused if \p additional is \c NULL.
|
||||||
* third argument if no additional data is being used.
|
|
||||||
*/
|
*/
|
||||||
MBEDTLS_DEPRECATED void mbedtls_hmac_drbg_update(
|
MBEDTLS_DEPRECATED void mbedtls_hmac_drbg_update(
|
||||||
mbedtls_hmac_drbg_context *ctx,
|
mbedtls_hmac_drbg_context *ctx,
|
||||||
|
@ -293,26 +368,31 @@ MBEDTLS_DEPRECATED void mbedtls_hmac_drbg_update(
|
||||||
|
|
||||||
#if defined(MBEDTLS_FS_IO)
|
#if defined(MBEDTLS_FS_IO)
|
||||||
/**
|
/**
|
||||||
* \brief Write a seed file
|
* \brief This function writes a seed file.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param path Name of the file
|
* \param path The name of the file.
|
||||||
*
|
*
|
||||||
* \return 0 if successful, 1 on file error, or
|
* \return \c 0 on success.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
|
* \return #MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR on file error.
|
||||||
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED on reseed
|
||||||
|
* failure.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_write_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
|
int mbedtls_hmac_drbg_write_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* \brief Read and update a seed file. Seed is added to this
|
* \brief This function reads and updates a seed file. The seed
|
||||||
* instance
|
* is added to this instance.
|
||||||
*
|
*
|
||||||
* \param ctx HMAC_DRBG context
|
* \param ctx The HMAC_DRBG context.
|
||||||
* \param path Name of the file
|
* \param path The name of the file.
|
||||||
*
|
*
|
||||||
* \return 0 if successful, 1 on file error,
|
* \return \c 0 on success.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED or
|
* \return #MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR on file error.
|
||||||
* MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG
|
* \return #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED on
|
||||||
|
* reseed failure.
|
||||||
|
* \return #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if the existing
|
||||||
|
* seed file is too large.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_update_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
|
int mbedtls_hmac_drbg_update_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
|
||||||
#endif /* MBEDTLS_FS_IO */
|
#endif /* MBEDTLS_FS_IO */
|
||||||
|
@ -320,9 +400,10 @@ int mbedtls_hmac_drbg_update_seed_file( mbedtls_hmac_drbg_context *ctx, const ch
|
||||||
|
|
||||||
#if defined(MBEDTLS_SELF_TEST)
|
#if defined(MBEDTLS_SELF_TEST)
|
||||||
/**
|
/**
|
||||||
* \brief Checkup routine
|
* \brief The HMAC_DRBG Checkup routine.
|
||||||
*
|
*
|
||||||
* \return 0 if successful, or 1 if the test failed
|
* \return \c 0 if successful.
|
||||||
|
* \return \c 1 if the test failed.
|
||||||
*/
|
*/
|
||||||
int mbedtls_hmac_drbg_self_test( int verbose );
|
int mbedtls_hmac_drbg_self_test( int verbose );
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -40,16 +40,16 @@
|
||||||
*/
|
*/
|
||||||
#define MBEDTLS_VERSION_MAJOR 2
|
#define MBEDTLS_VERSION_MAJOR 2
|
||||||
#define MBEDTLS_VERSION_MINOR 16
|
#define MBEDTLS_VERSION_MINOR 16
|
||||||
#define MBEDTLS_VERSION_PATCH 3
|
#define MBEDTLS_VERSION_PATCH 4
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The single version number has the following structure:
|
* The single version number has the following structure:
|
||||||
* MMNNPP00
|
* MMNNPP00
|
||||||
* Major version | Minor version | Patch version
|
* Major version | Minor version | Patch version
|
||||||
*/
|
*/
|
||||||
#define MBEDTLS_VERSION_NUMBER 0x02100300
|
#define MBEDTLS_VERSION_NUMBER 0x02100400
|
||||||
#define MBEDTLS_VERSION_STRING "2.16.3"
|
#define MBEDTLS_VERSION_STRING "2.16.4"
|
||||||
#define MBEDTLS_VERSION_STRING_FULL "mbed TLS 2.16.3"
|
#define MBEDTLS_VERSION_STRING_FULL "mbed TLS 2.16.4"
|
||||||
|
|
||||||
#if defined(MBEDTLS_VERSION_C)
|
#if defined(MBEDTLS_VERSION_C)
|
||||||
|
|
||||||
|
|
|
@ -918,6 +918,18 @@ int mbedtls_internal_aes_encrypt( mbedtls_aes_context *ctx,
|
||||||
PUT_UINT32_LE( X2, output, 8 );
|
PUT_UINT32_LE( X2, output, 8 );
|
||||||
PUT_UINT32_LE( X3, output, 12 );
|
PUT_UINT32_LE( X3, output, 12 );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &X0, sizeof( X0 ) );
|
||||||
|
mbedtls_platform_zeroize( &X1, sizeof( X1 ) );
|
||||||
|
mbedtls_platform_zeroize( &X2, sizeof( X2 ) );
|
||||||
|
mbedtls_platform_zeroize( &X3, sizeof( X3 ) );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &Y0, sizeof( Y0 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y1, sizeof( Y1 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y2, sizeof( Y2 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y3, sizeof( Y3 ) );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &RK, sizeof( RK ) );
|
||||||
|
|
||||||
return( 0 );
|
return( 0 );
|
||||||
}
|
}
|
||||||
#endif /* !MBEDTLS_AES_ENCRYPT_ALT */
|
#endif /* !MBEDTLS_AES_ENCRYPT_ALT */
|
||||||
|
@ -986,6 +998,18 @@ int mbedtls_internal_aes_decrypt( mbedtls_aes_context *ctx,
|
||||||
PUT_UINT32_LE( X2, output, 8 );
|
PUT_UINT32_LE( X2, output, 8 );
|
||||||
PUT_UINT32_LE( X3, output, 12 );
|
PUT_UINT32_LE( X3, output, 12 );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &X0, sizeof( X0 ) );
|
||||||
|
mbedtls_platform_zeroize( &X1, sizeof( X1 ) );
|
||||||
|
mbedtls_platform_zeroize( &X2, sizeof( X2 ) );
|
||||||
|
mbedtls_platform_zeroize( &X3, sizeof( X3 ) );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &Y0, sizeof( Y0 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y1, sizeof( Y1 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y2, sizeof( Y2 ) );
|
||||||
|
mbedtls_platform_zeroize( &Y3, sizeof( Y3 ) );
|
||||||
|
|
||||||
|
mbedtls_platform_zeroize( &RK, sizeof( RK ) );
|
||||||
|
|
||||||
return( 0 );
|
return( 0 );
|
||||||
}
|
}
|
||||||
#endif /* !MBEDTLS_AES_DECRYPT_ALT */
|
#endif /* !MBEDTLS_AES_DECRYPT_ALT */
|
||||||
|
|
|
@ -1071,6 +1071,107 @@ int mbedtls_mpi_cmp_mpi( const mbedtls_mpi *X, const mbedtls_mpi *Y )
|
||||||
return( 0 );
|
return( 0 );
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/** Decide if an integer is less than the other, without branches.
|
||||||
|
*
|
||||||
|
* \param x First integer.
|
||||||
|
* \param y Second integer.
|
||||||
|
*
|
||||||
|
* \return 1 if \p x is less than \p y, 0 otherwise
|
||||||
|
*/
|
||||||
|
static unsigned ct_lt_mpi_uint( const mbedtls_mpi_uint x,
|
||||||
|
const mbedtls_mpi_uint y )
|
||||||
|
{
|
||||||
|
mbedtls_mpi_uint ret;
|
||||||
|
mbedtls_mpi_uint cond;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Check if the most significant bits (MSB) of the operands are different.
|
||||||
|
*/
|
||||||
|
cond = ( x ^ y );
|
||||||
|
/*
|
||||||
|
* If the MSB are the same then the difference x-y will be negative (and
|
||||||
|
* have its MSB set to 1 during conversion to unsigned) if and only if x<y.
|
||||||
|
*/
|
||||||
|
ret = ( x - y ) & ~cond;
|
||||||
|
/*
|
||||||
|
* If the MSB are different, then the operand with the MSB of 1 is the
|
||||||
|
* bigger. (That is if y has MSB of 1, then x<y is true and it is false if
|
||||||
|
* the MSB of y is 0.)
|
||||||
|
*/
|
||||||
|
ret |= y & cond;
|
||||||
|
|
||||||
|
|
||||||
|
ret = ret >> ( biL - 1 );
|
||||||
|
|
||||||
|
return (unsigned) ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Compare signed values in constant time
|
||||||
|
*/
|
||||||
|
int mbedtls_mpi_lt_mpi_ct( const mbedtls_mpi *X, const mbedtls_mpi *Y,
|
||||||
|
unsigned *ret )
|
||||||
|
{
|
||||||
|
size_t i;
|
||||||
|
/* The value of any of these variables is either 0 or 1 at all times. */
|
||||||
|
unsigned cond, done, X_is_negative, Y_is_negative;
|
||||||
|
|
||||||
|
MPI_VALIDATE_RET( X != NULL );
|
||||||
|
MPI_VALIDATE_RET( Y != NULL );
|
||||||
|
MPI_VALIDATE_RET( ret != NULL );
|
||||||
|
|
||||||
|
if( X->n != Y->n )
|
||||||
|
return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Set sign_N to 1 if N >= 0, 0 if N < 0.
|
||||||
|
* We know that N->s == 1 if N >= 0 and N->s == -1 if N < 0.
|
||||||
|
*/
|
||||||
|
X_is_negative = ( X->s & 2 ) >> 1;
|
||||||
|
Y_is_negative = ( Y->s & 2 ) >> 1;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If the signs are different, then the positive operand is the bigger.
|
||||||
|
* That is if X is negative (X_is_negative == 1), then X < Y is true and it
|
||||||
|
* is false if X is positive (X_is_negative == 0).
|
||||||
|
*/
|
||||||
|
cond = ( X_is_negative ^ Y_is_negative );
|
||||||
|
*ret = cond & X_is_negative;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This is a constant-time function. We might have the result, but we still
|
||||||
|
* need to go through the loop. Record if we have the result already.
|
||||||
|
*/
|
||||||
|
done = cond;
|
||||||
|
|
||||||
|
for( i = X->n; i > 0; i-- )
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* If Y->p[i - 1] < X->p[i - 1] then X < Y is true if and only if both
|
||||||
|
* X and Y are negative.
|
||||||
|
*
|
||||||
|
* Again even if we can make a decision, we just mark the result and
|
||||||
|
* the fact that we are done and continue looping.
|
||||||
|
*/
|
||||||
|
cond = ct_lt_mpi_uint( Y->p[i - 1], X->p[i - 1] );
|
||||||
|
*ret |= cond & ( 1 - done ) & X_is_negative;
|
||||||
|
done |= cond;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If X->p[i - 1] < Y->p[i - 1] then X < Y is true if and only if both
|
||||||
|
* X and Y are positive.
|
||||||
|
*
|
||||||
|
* Again even if we can make a decision, we just mark the result and
|
||||||
|
* the fact that we are done and continue looping.
|
||||||
|
*/
|
||||||
|
cond = ct_lt_mpi_uint( X->p[i - 1], Y->p[i - 1] );
|
||||||
|
*ret |= cond & ( 1 - done ) & ( 1 - X_is_negative );
|
||||||
|
done |= cond;
|
||||||
|
}
|
||||||
|
|
||||||
|
return( 0 );
|
||||||
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Compare signed values
|
* Compare signed values
|
||||||
*/
|
*/
|
||||||
|
@ -2338,8 +2439,6 @@ static int mpi_miller_rabin( const mbedtls_mpi *X, size_t rounds,
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &R, &W ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &R, &W ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &R, s ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &R, s ) );
|
||||||
|
|
||||||
i = mbedtls_mpi_bitlen( X );
|
|
||||||
|
|
||||||
for( i = 0; i < rounds; i++ )
|
for( i = 0; i < rounds; i++ )
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
|
|
|
@ -62,68 +62,6 @@ void mbedtls_ctr_drbg_init( mbedtls_ctr_drbg_context *ctx )
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* Non-public function wrapped by mbedtls_ctr_drbg_seed(). Necessary to allow
|
|
||||||
* NIST tests to succeed (which require known length fixed entropy)
|
|
||||||
*/
|
|
||||||
/* CTR_DRBG_Instantiate with derivation function (SP 800-90A §10.2.1.3.2)
|
|
||||||
* mbedtls_ctr_drbg_seed_entropy_len(ctx, f_entropy, p_entropy,
|
|
||||||
* custom, len, entropy_len)
|
|
||||||
* implements
|
|
||||||
* CTR_DRBG_Instantiate(entropy_input, nonce, personalization_string,
|
|
||||||
* security_strength) -> initial_working_state
|
|
||||||
* with inputs
|
|
||||||
* custom[:len] = nonce || personalization_string
|
|
||||||
* where entropy_input comes from f_entropy for entropy_len bytes
|
|
||||||
* and with outputs
|
|
||||||
* ctx = initial_working_state
|
|
||||||
*/
|
|
||||||
int mbedtls_ctr_drbg_seed_entropy_len(
|
|
||||||
mbedtls_ctr_drbg_context *ctx,
|
|
||||||
int (*f_entropy)(void *, unsigned char *, size_t),
|
|
||||||
void *p_entropy,
|
|
||||||
const unsigned char *custom,
|
|
||||||
size_t len,
|
|
||||||
size_t entropy_len )
|
|
||||||
{
|
|
||||||
int ret;
|
|
||||||
unsigned char key[MBEDTLS_CTR_DRBG_KEYSIZE];
|
|
||||||
|
|
||||||
memset( key, 0, MBEDTLS_CTR_DRBG_KEYSIZE );
|
|
||||||
|
|
||||||
mbedtls_aes_init( &ctx->aes_ctx );
|
|
||||||
|
|
||||||
ctx->f_entropy = f_entropy;
|
|
||||||
ctx->p_entropy = p_entropy;
|
|
||||||
|
|
||||||
ctx->entropy_len = entropy_len;
|
|
||||||
ctx->reseed_interval = MBEDTLS_CTR_DRBG_RESEED_INTERVAL;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Initialize with an empty key
|
|
||||||
*/
|
|
||||||
if( ( ret = mbedtls_aes_setkey_enc( &ctx->aes_ctx, key, MBEDTLS_CTR_DRBG_KEYBITS ) ) != 0 )
|
|
||||||
{
|
|
||||||
return( ret );
|
|
||||||
}
|
|
||||||
|
|
||||||
if( ( ret = mbedtls_ctr_drbg_reseed( ctx, custom, len ) ) != 0 )
|
|
||||||
{
|
|
||||||
return( ret );
|
|
||||||
}
|
|
||||||
return( 0 );
|
|
||||||
}
|
|
||||||
|
|
||||||
int mbedtls_ctr_drbg_seed( mbedtls_ctr_drbg_context *ctx,
|
|
||||||
int (*f_entropy)(void *, unsigned char *, size_t),
|
|
||||||
void *p_entropy,
|
|
||||||
const unsigned char *custom,
|
|
||||||
size_t len )
|
|
||||||
{
|
|
||||||
return( mbedtls_ctr_drbg_seed_entropy_len( ctx, f_entropy, p_entropy, custom, len,
|
|
||||||
MBEDTLS_CTR_DRBG_ENTROPY_LEN ) );
|
|
||||||
}
|
|
||||||
|
|
||||||
void mbedtls_ctr_drbg_free( mbedtls_ctr_drbg_context *ctx )
|
void mbedtls_ctr_drbg_free( mbedtls_ctr_drbg_context *ctx )
|
||||||
{
|
{
|
||||||
if( ctx == NULL )
|
if( ctx == NULL )
|
||||||
|
@ -427,6 +365,63 @@ exit:
|
||||||
return( ret );
|
return( ret );
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* CTR_DRBG_Instantiate with derivation function (SP 800-90A §10.2.1.3.2)
|
||||||
|
* mbedtls_ctr_drbg_seed(ctx, f_entropy, p_entropy, custom, len)
|
||||||
|
* implements
|
||||||
|
* CTR_DRBG_Instantiate(entropy_input, nonce, personalization_string,
|
||||||
|
* security_strength) -> initial_working_state
|
||||||
|
* with inputs
|
||||||
|
* custom[:len] = nonce || personalization_string
|
||||||
|
* where entropy_input comes from f_entropy for ctx->entropy_len bytes
|
||||||
|
* and with outputs
|
||||||
|
* ctx = initial_working_state
|
||||||
|
*/
|
||||||
|
int mbedtls_ctr_drbg_seed( mbedtls_ctr_drbg_context *ctx,
|
||||||
|
int (*f_entropy)(void *, unsigned char *, size_t),
|
||||||
|
void *p_entropy,
|
||||||
|
const unsigned char *custom,
|
||||||
|
size_t len )
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
unsigned char key[MBEDTLS_CTR_DRBG_KEYSIZE];
|
||||||
|
|
||||||
|
memset( key, 0, MBEDTLS_CTR_DRBG_KEYSIZE );
|
||||||
|
|
||||||
|
mbedtls_aes_init( &ctx->aes_ctx );
|
||||||
|
|
||||||
|
ctx->f_entropy = f_entropy;
|
||||||
|
ctx->p_entropy = p_entropy;
|
||||||
|
|
||||||
|
if( ctx->entropy_len == 0 )
|
||||||
|
ctx->entropy_len = MBEDTLS_CTR_DRBG_ENTROPY_LEN;
|
||||||
|
ctx->reseed_interval = MBEDTLS_CTR_DRBG_RESEED_INTERVAL;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Initialize with an empty key
|
||||||
|
*/
|
||||||
|
if( ( ret = mbedtls_aes_setkey_enc( &ctx->aes_ctx, key, MBEDTLS_CTR_DRBG_KEYBITS ) ) != 0 )
|
||||||
|
{
|
||||||
|
return( ret );
|
||||||
|
}
|
||||||
|
|
||||||
|
if( ( ret = mbedtls_ctr_drbg_reseed( ctx, custom, len ) ) != 0 )
|
||||||
|
{
|
||||||
|
return( ret );
|
||||||
|
}
|
||||||
|
return( 0 );
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Backward compatibility wrapper */
|
||||||
|
int mbedtls_ctr_drbg_seed_entropy_len(
|
||||||
|
mbedtls_ctr_drbg_context *ctx,
|
||||||
|
int (*f_entropy)(void *, unsigned char *, size_t), void *p_entropy,
|
||||||
|
const unsigned char *custom, size_t len,
|
||||||
|
size_t entropy_len )
|
||||||
|
{
|
||||||
|
mbedtls_ctr_drbg_set_entropy_len( ctx, entropy_len );
|
||||||
|
return( mbedtls_ctr_drbg_seed( ctx, f_entropy, p_entropy, custom, len ) );
|
||||||
|
}
|
||||||
|
|
||||||
/* CTR_DRBG_Generate with derivation function (SP 800-90A §10.2.1.5.2)
|
/* CTR_DRBG_Generate with derivation function (SP 800-90A §10.2.1.5.2)
|
||||||
* mbedtls_ctr_drbg_random_with_add(ctx, output, output_len, additional, add_len)
|
* mbedtls_ctr_drbg_random_with_add(ctx, output, output_len, additional, add_len)
|
||||||
* implements
|
* implements
|
||||||
|
@ -517,7 +512,7 @@ int mbedtls_ctr_drbg_random_with_add( void *p_rng,
|
||||||
exit:
|
exit:
|
||||||
mbedtls_platform_zeroize( add_input, sizeof( add_input ) );
|
mbedtls_platform_zeroize( add_input, sizeof( add_input ) );
|
||||||
mbedtls_platform_zeroize( tmp, sizeof( tmp ) );
|
mbedtls_platform_zeroize( tmp, sizeof( tmp ) );
|
||||||
return( 0 );
|
return( ret );
|
||||||
}
|
}
|
||||||
|
|
||||||
int mbedtls_ctr_drbg_random( void *p_rng, unsigned char *output, size_t output_len )
|
int mbedtls_ctr_drbg_random( void *p_rng, unsigned char *output, size_t output_len )
|
||||||
|
@ -678,8 +673,11 @@ int mbedtls_ctr_drbg_self_test( int verbose )
|
||||||
mbedtls_printf( " CTR_DRBG (PR = TRUE) : " );
|
mbedtls_printf( " CTR_DRBG (PR = TRUE) : " );
|
||||||
|
|
||||||
test_offset = 0;
|
test_offset = 0;
|
||||||
CHK( mbedtls_ctr_drbg_seed_entropy_len( &ctx, ctr_drbg_self_test_entropy,
|
mbedtls_ctr_drbg_set_entropy_len( &ctx, 32 );
|
||||||
(void *) entropy_source_pr, nonce_pers_pr, 16, 32 ) );
|
CHK( mbedtls_ctr_drbg_seed( &ctx,
|
||||||
|
ctr_drbg_self_test_entropy,
|
||||||
|
(void *) entropy_source_pr,
|
||||||
|
nonce_pers_pr, 16 ) );
|
||||||
mbedtls_ctr_drbg_set_prediction_resistance( &ctx, MBEDTLS_CTR_DRBG_PR_ON );
|
mbedtls_ctr_drbg_set_prediction_resistance( &ctx, MBEDTLS_CTR_DRBG_PR_ON );
|
||||||
CHK( mbedtls_ctr_drbg_random( &ctx, buf, MBEDTLS_CTR_DRBG_BLOCKSIZE ) );
|
CHK( mbedtls_ctr_drbg_random( &ctx, buf, MBEDTLS_CTR_DRBG_BLOCKSIZE ) );
|
||||||
CHK( mbedtls_ctr_drbg_random( &ctx, buf, MBEDTLS_CTR_DRBG_BLOCKSIZE ) );
|
CHK( mbedtls_ctr_drbg_random( &ctx, buf, MBEDTLS_CTR_DRBG_BLOCKSIZE ) );
|
||||||
|
@ -699,8 +697,11 @@ int mbedtls_ctr_drbg_self_test( int verbose )
|
||||||
mbedtls_ctr_drbg_init( &ctx );
|
mbedtls_ctr_drbg_init( &ctx );
|
||||||
|
|
||||||
test_offset = 0;
|
test_offset = 0;
|
||||||
CHK( mbedtls_ctr_drbg_seed_entropy_len( &ctx, ctr_drbg_self_test_entropy,
|
mbedtls_ctr_drbg_set_entropy_len( &ctx, 32 );
|
||||||
(void *) entropy_source_nopr, nonce_pers_nopr, 16, 32 ) );
|
CHK( mbedtls_ctr_drbg_seed( &ctx,
|
||||||
|
ctr_drbg_self_test_entropy,
|
||||||
|
(void *) entropy_source_nopr,
|
||||||
|
nonce_pers_nopr, 16 ) );
|
||||||
CHK( mbedtls_ctr_drbg_random( &ctx, buf, 16 ) );
|
CHK( mbedtls_ctr_drbg_random( &ctx, buf, 16 ) );
|
||||||
CHK( mbedtls_ctr_drbg_reseed( &ctx, NULL, 0 ) );
|
CHK( mbedtls_ctr_drbg_reseed( &ctx, NULL, 0 ) );
|
||||||
CHK( mbedtls_ctr_drbg_random( &ctx, buf, 16 ) );
|
CHK( mbedtls_ctr_drbg_random( &ctx, buf, 16 ) );
|
||||||
|
|
|
@ -363,6 +363,7 @@ modn:
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( &e, &e, s ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_add_mpi( &e, &e, s ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &e, &e, &t ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &e, &e, &t ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( pk, pk, &t ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( pk, pk, &t ) );
|
||||||
|
MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( pk, pk, &grp->N ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( s, pk, &grp->N ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( s, pk, &grp->N ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( s, s, &e ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( s, s, &e ) );
|
||||||
MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( s, s, &grp->N ) );
|
MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( s, s, &grp->N ) );
|
||||||
|
|
|
@ -2724,6 +2724,7 @@ int mbedtls_ecp_gen_privkey( const mbedtls_ecp_group *grp,
|
||||||
{
|
{
|
||||||
/* SEC1 3.2.1: Generate d such that 1 <= n < N */
|
/* SEC1 3.2.1: Generate d such that 1 <= n < N */
|
||||||
int count = 0;
|
int count = 0;
|
||||||
|
unsigned cmp = 0;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Match the procedure given in RFC 6979 (deterministic ECDSA):
|
* Match the procedure given in RFC 6979 (deterministic ECDSA):
|
||||||
|
@ -2748,9 +2749,14 @@ int mbedtls_ecp_gen_privkey( const mbedtls_ecp_group *grp,
|
||||||
*/
|
*/
|
||||||
if( ++count > 30 )
|
if( ++count > 30 )
|
||||||
return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
|
return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
|
||||||
|
|
||||||
|
ret = mbedtls_mpi_lt_mpi_ct( d, &grp->N, &cmp );
|
||||||
|
if( ret != 0 )
|
||||||
|
{
|
||||||
|
goto cleanup;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
while( mbedtls_mpi_cmp_int( d, 1 ) < 0 ||
|
while( mbedtls_mpi_cmp_int( d, 1 ) < 0 || cmp != 1 );
|
||||||
mbedtls_mpi_cmp_mpi( d, &grp->N ) >= 0 );
|
|
||||||
}
|
}
|
||||||
#endif /* ECP_SHORTWEIERSTRASS */
|
#endif /* ECP_SHORTWEIERSTRASS */
|
||||||
|
|
||||||
|
|
|
@ -273,16 +273,19 @@ int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
|
||||||
|
|
||||||
ctx->reseed_interval = MBEDTLS_HMAC_DRBG_RESEED_INTERVAL;
|
ctx->reseed_interval = MBEDTLS_HMAC_DRBG_RESEED_INTERVAL;
|
||||||
|
|
||||||
/*
|
if( ctx->entropy_len == 0 )
|
||||||
* See SP800-57 5.6.1 (p. 65-66) for the security strength provided by
|
{
|
||||||
* each hash function, then according to SP800-90A rev1 10.1 table 2,
|
/*
|
||||||
* min_entropy_len (in bits) is security_strength.
|
* See SP800-57 5.6.1 (p. 65-66) for the security strength provided by
|
||||||
*
|
* each hash function, then according to SP800-90A rev1 10.1 table 2,
|
||||||
* (This also matches the sizes used in the NIST test vectors.)
|
* min_entropy_len (in bits) is security_strength.
|
||||||
*/
|
*
|
||||||
ctx->entropy_len = md_size <= 20 ? 16 : /* 160-bits hash -> 128 bits */
|
* (This also matches the sizes used in the NIST test vectors.)
|
||||||
md_size <= 28 ? 24 : /* 224-bits hash -> 192 bits */
|
*/
|
||||||
32; /* better (256+) -> 256 bits */
|
ctx->entropy_len = md_size <= 20 ? 16 : /* 160-bits hash -> 128 bits */
|
||||||
|
md_size <= 28 ? 24 : /* 224-bits hash -> 192 bits */
|
||||||
|
32; /* better (256+) -> 256 bits */
|
||||||
|
}
|
||||||
|
|
||||||
if( ( ret = hmac_drbg_reseed_core( ctx, custom, len,
|
if( ( ret = hmac_drbg_reseed_core( ctx, custom, len,
|
||||||
1 /* add nonce */ ) ) != 0 )
|
1 /* add nonce */ ) ) != 0 )
|
||||||
|
@ -303,7 +306,7 @@ void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Set entropy length grabbed for reseeds
|
* Set entropy length grabbed for seeding
|
||||||
*/
|
*/
|
||||||
void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx, size_t len )
|
void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx, size_t len )
|
||||||
{
|
{
|
||||||
|
|
|
@ -297,6 +297,9 @@ static const char *features[] = {
|
||||||
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
|
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
|
||||||
"MBEDTLS_CIPHER_PADDING_ZEROS",
|
"MBEDTLS_CIPHER_PADDING_ZEROS",
|
||||||
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
|
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
|
||||||
|
#if defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
|
||||||
|
"MBEDTLS_CTR_DRBG_USE_128_BIT_KEY",
|
||||||
|
#endif /* MBEDTLS_CTR_DRBG_USE_128_BIT_KEY */
|
||||||
#if defined(MBEDTLS_ENABLE_WEAK_CIPHERSUITES)
|
#if defined(MBEDTLS_ENABLE_WEAK_CIPHERSUITES)
|
||||||
"MBEDTLS_ENABLE_WEAK_CIPHERSUITES",
|
"MBEDTLS_ENABLE_WEAK_CIPHERSUITES",
|
||||||
#endif /* MBEDTLS_ENABLE_WEAK_CIPHERSUITES */
|
#endif /* MBEDTLS_ENABLE_WEAK_CIPHERSUITES */
|
||||||
|
|
Loading…
Reference in New Issue