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openssl-apple/include/openssl/rsa.h

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/* crypto/rsa/rsa.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_RSA_H
#define HEADER_RSA_H
#include <openssl/asn1.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
#include <openssl/crypto.h>
#include <openssl/ossl_typ.h>
#ifndef OPENSSL_NO_DEPRECATED
#include <openssl/bn.h>
#endif
#ifdef OPENSSL_NO_RSA
#error RSA is disabled.
#endif
/* If this flag is set the RSA method is FIPS compliant and can be used
* in FIPS mode. This is set in the validated module method. If an
* application sets this flag in its own methods it is its reposibility
* to ensure the result is compliant.
*/
#define RSA_FLAG_FIPS_METHOD 0x0400
/* If this flag is set the operations normally disabled in FIPS mode are
* permitted it is then the applications responsibility to ensure that the
* usage is compliant.
*/
#define RSA_FLAG_NON_FIPS_ALLOW 0x0400
#ifdef OPENSSL_FIPS
#define FIPS_RSA_SIZE_T int
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Declared already in ossl_typ.h */
/* typedef struct rsa_st RSA; */
/* typedef struct rsa_meth_st RSA_METHOD; */
struct rsa_meth_st
{
const char *name;
int (*rsa_pub_enc)(int flen,const unsigned char *from,
unsigned char *to,
RSA *rsa,int padding);
int (*rsa_pub_dec)(int flen,const unsigned char *from,
unsigned char *to,
RSA *rsa,int padding);
int (*rsa_priv_enc)(int flen,const unsigned char *from,
unsigned char *to,
RSA *rsa,int padding);
int (*rsa_priv_dec)(int flen,const unsigned char *from,
unsigned char *to,
RSA *rsa,int padding);
int (*rsa_mod_exp)(BIGNUM *r0,const BIGNUM *I,RSA *rsa,BN_CTX *ctx); /* Can be null */
int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx); /* Can be null */
int (*init)(RSA *rsa); /* called at new */
int (*finish)(RSA *rsa); /* called at free */
int flags; /* RSA_METHOD_FLAG_* things */
char *app_data; /* may be needed! */
/* New sign and verify functions: some libraries don't allow arbitrary data
* to be signed/verified: this allows them to be used. Note: for this to work
* the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
* RSA_sign(), RSA_verify() should be used instead. Note: for backwards
* compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
* option is set in 'flags'.
*/
int (*rsa_sign)(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
int (*rsa_verify)(int dtype,
const unsigned char *m, unsigned int m_length,
unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
/* If this callback is NULL, the builtin software RSA key-gen will be used. This
* is for behavioural compatibility whilst the code gets rewired, but one day
* it would be nice to assume there are no such things as "builtin software"
* implementations. */
int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
};
struct rsa_st
{
/* The first parameter is used to pickup errors where
* this is passed instead of aEVP_PKEY, it is set to 0 */
int pad;
long version;
const RSA_METHOD *meth;
/* functional reference if 'meth' is ENGINE-provided */
ENGINE *engine;
BIGNUM *n;
BIGNUM *e;
BIGNUM *d;
BIGNUM *p;
BIGNUM *q;
BIGNUM *dmp1;
BIGNUM *dmq1;
BIGNUM *iqmp;
/* be careful using this if the RSA structure is shared */
CRYPTO_EX_DATA ex_data;
int references;
int flags;
/* Used to cache montgomery values */
BN_MONT_CTX *_method_mod_n;
BN_MONT_CTX *_method_mod_p;
BN_MONT_CTX *_method_mod_q;
/* all BIGNUM values are actually in the following data, if it is not
* NULL */
char *bignum_data;
BN_BLINDING *blinding;
BN_BLINDING *mt_blinding;
};
#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
#endif
#define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
#ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
#endif
#ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
# define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */
#endif
#define RSA_3 0x3L
#define RSA_F4 0x10001L
#define RSA_METHOD_FLAG_NO_CHECK 0x0001 /* don't check pub/private match */
#define RSA_FLAG_CACHE_PUBLIC 0x0002
#define RSA_FLAG_CACHE_PRIVATE 0x0004
#define RSA_FLAG_BLINDING 0x0008
#define RSA_FLAG_THREAD_SAFE 0x0010
/* This flag means the private key operations will be handled by rsa_mod_exp
* and that they do not depend on the private key components being present:
* for example a key stored in external hardware. Without this flag bn_mod_exp
* gets called when private key components are absent.
*/
#define RSA_FLAG_EXT_PKEY 0x0020
/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
*/
#define RSA_FLAG_SIGN_VER 0x0040
#define RSA_FLAG_NO_BLINDING 0x0080 /* new with 0.9.6j and 0.9.7b; the built-in
* RSA implementation now uses blinding by
* default (ignoring RSA_FLAG_BLINDING),
* but other engines might not need it
*/
#define RSA_FLAG_NO_CONSTTIME 0x0100 /* new with 0.9.8f; the built-in RSA
* implementation now uses constant time
* operations by default in private key operations,
* e.g., constant time modular exponentiation,
* modular inverse without leaking branches,
* division without leaking branches. This
* flag disables these constant time
* operations and results in faster RSA
* private key operations.
*/
#ifndef OPENSSL_NO_DEPRECATED
#define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME /* deprecated name for the flag*/
/* new with 0.9.7h; the built-in RSA
* implementation now uses constant time
* modular exponentiation for secret exponents
* by default. This flag causes the
* faster variable sliding window method to
* be used for all exponents.
*/
#endif
#define RSA_PKCS1_PADDING 1
#define RSA_SSLV23_PADDING 2
#define RSA_NO_PADDING 3
#define RSA_PKCS1_OAEP_PADDING 4
#define RSA_X931_PADDING 5
#define RSA_PKCS1_PADDING_SIZE 11
#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
RSA * RSA_new(void);
RSA * RSA_new_method(ENGINE *engine);
int RSA_size(const RSA *);
/* Deprecated version */
#ifndef OPENSSL_NO_DEPRECATED
RSA * RSA_generate_key(int bits, unsigned long e,void
(*callback)(int,int,void *),void *cb_arg);
#endif /* !defined(OPENSSL_NO_DEPRECATED) */
/* New version */
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
const BIGNUM *e, BN_GENCB *cb);
int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, BN_GENCB *cb);
int RSA_check_key(const RSA *);
/* next 4 return -1 on error */
int RSA_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
int RSA_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
int RSA_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
int RSA_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
void RSA_free (RSA *r);
/* "up" the RSA object's reference count */
int RSA_up_ref(RSA *r);
int RSA_flags(const RSA *r);
#ifdef OPENSSL_FIPS
RSA *FIPS_rsa_new(void);
void FIPS_rsa_free(RSA *r);
#endif
void RSA_set_default_method(const RSA_METHOD *meth);
const RSA_METHOD *RSA_get_default_method(void);
const RSA_METHOD *RSA_get_method(const RSA *rsa);
int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
/* This function needs the memory locking malloc callbacks to be installed */
int RSA_memory_lock(RSA *r);
/* these are the actual SSLeay RSA functions */
const RSA_METHOD *RSA_PKCS1_SSLeay(void);
const RSA_METHOD *RSA_null_method(void);
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
#ifndef OPENSSL_NO_FP_API
int RSA_print_fp(FILE *fp, const RSA *r,int offset);
#endif
#ifndef OPENSSL_NO_BIO
int RSA_print(BIO *bp, const RSA *r,int offset);
#endif
#ifndef OPENSSL_NO_RC4
int i2d_RSA_NET(const RSA *a, unsigned char **pp,
int (*cb)(char *buf, int len, const char *prompt, int verify),
int sgckey);
RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
int (*cb)(char *buf, int len, const char *prompt, int verify),
int sgckey);
int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
int (*cb)(char *buf, int len, const char *prompt,
int verify));
RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
int (*cb)(char *buf, int len, const char *prompt,
int verify));
#endif
/* The following 2 functions sign and verify a X509_SIG ASN1 object
* inside PKCS#1 padded RSA encryption */
int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
/* The following 2 function sign and verify a ASN1_OCTET_STRING
* object inside PKCS#1 padded RSA encryption */
int RSA_sign_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
void RSA_blinding_off(RSA *rsa);
BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
const unsigned char *f,int fl);
int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len);
int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
const unsigned char *f,int fl);
int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len);
int PKCS1_MGF1(unsigned char *mask, long len,
const unsigned char *seed, long seedlen, const EVP_MD *dgst);
int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
const unsigned char *f,int fl,
const unsigned char *p,int pl);
int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len,
const unsigned char *p,int pl);
int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
const unsigned char *f,int fl);
int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len);
int RSA_padding_add_none(unsigned char *to,int tlen,
const unsigned char *f,int fl);
int RSA_padding_check_none(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len);
int RSA_padding_add_X931(unsigned char *to,int tlen,
const unsigned char *f,int fl);
int RSA_padding_check_X931(unsigned char *to,int tlen,
const unsigned char *f,int fl,int rsa_len);
int RSA_X931_hash_id(int nid);
int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const unsigned char *EM, int sLen);
int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
const unsigned char *mHash,
const EVP_MD *Hash, int sLen);
int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
int RSA_set_ex_data(RSA *r,int idx,void *arg);
void *RSA_get_ex_data(const RSA *r, int idx);
RSA *RSAPublicKey_dup(RSA *rsa);
RSA *RSAPrivateKey_dup(RSA *rsa);
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_RSA_strings(void);
/* Error codes for the RSA functions. */
/* Function codes. */
#define RSA_F_FIPS_RSA_SIGN 140
#define RSA_F_FIPS_RSA_VERIFY 141
#define RSA_F_MEMORY_LOCK 100
#define RSA_F_RSA_BUILTIN_KEYGEN 129
#define RSA_F_RSA_CHECK_KEY 123
#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
#define RSA_F_RSA_GENERATE_KEY 105
#define RSA_F_RSA_MEMORY_LOCK 130
#define RSA_F_RSA_NEW_METHOD 106
#define RSA_F_RSA_NULL 124
#define RSA_F_RSA_NULL_MOD_EXP 131
#define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
#define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
#define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
#define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
#define RSA_F_RSA_PADDING_ADD_NONE 107
#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
#define RSA_F_RSA_PADDING_ADD_SSLV23 110
#define RSA_F_RSA_PADDING_ADD_X931 127
#define RSA_F_RSA_PADDING_CHECK_NONE 111
#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
#define RSA_F_RSA_PADDING_CHECK_SSLV23 114
#define RSA_F_RSA_PADDING_CHECK_X931 128
#define RSA_F_RSA_PRINT 115
#define RSA_F_RSA_PRINT_FP 116
#define RSA_F_RSA_PRIVATE_ENCRYPT 137
#define RSA_F_RSA_PUBLIC_DECRYPT 138
#define RSA_F_RSA_SETUP_BLINDING 136
#define RSA_F_RSA_SET_DEFAULT_METHOD 139
#define RSA_F_RSA_SET_METHOD 142
#define RSA_F_RSA_SIGN 117
#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
#define RSA_F_RSA_VERIFY 119
#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
#define RSA_F_RSA_VERIFY_PKCS1_PSS 126
/* Reason codes. */
#define RSA_R_ALGORITHM_MISMATCH 100
#define RSA_R_BAD_E_VALUE 101
#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
#define RSA_R_BAD_PAD_BYTE_COUNT 103
#define RSA_R_BAD_SIGNATURE 104
#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
#define RSA_R_DATA_TOO_LARGE 109
#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
#define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
#define RSA_R_DATA_TOO_SMALL 111
#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
#define RSA_R_FIRST_OCTET_INVALID 133
#define RSA_R_INVALID_HEADER 137
#define RSA_R_INVALID_MESSAGE_LENGTH 131
#define RSA_R_INVALID_PADDING 138
#define RSA_R_INVALID_TRAILER 139
#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
#define RSA_R_KEY_SIZE_TOO_SMALL 120
#define RSA_R_LAST_OCTET_INVALID 134
#define RSA_R_MODULUS_TOO_LARGE 105
#define RSA_R_NON_FIPS_METHOD 141
#define RSA_R_NO_PUBLIC_EXPONENT 140
#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
#define RSA_R_OAEP_DECODING_ERROR 121
#define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 142
#define RSA_R_PADDING_CHECK_FAILED 114
#define RSA_R_P_NOT_PRIME 128
#define RSA_R_Q_NOT_PRIME 129
#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
#define RSA_R_SLEN_CHECK_FAILED 136
#define RSA_R_SLEN_RECOVERY_FAILED 135
#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
#define RSA_R_UNKNOWN_PADDING_TYPE 118
#define RSA_R_WRONG_SIGNATURE_LENGTH 119
#ifdef __cplusplus
}
#endif
#endif
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