Support more TLS key types in PKCS format.

Closes #1449.
Resolves #1461.

core/http/src/tls.rs

@@ -41,7 +41,7 @@ fn load_private_key(reader: &mut dyn io::BufRead) -> io::Result<PrivateKey> {
         })?;
 
     // Ensure we can use the key.
-    rustls::sign::RSASigningKey::new(&key)
+    rustls::sign::any_supported_type(&key)
         .map_err(|_| Error::new(Other, "key parsed but is unusable"))
         .map(|_| key)
 }
@@ -126,3 +126,46 @@ impl Connection for TlsStream<TcpStream> {
         self.get_ref().0.remote_addr()
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    use std::io::Cursor;
+
+    macro_rules! tls_example_key {
+        ($k:expr) => {
+            include_bytes!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../examples/tls/private/", $k))
+        }
+    }
+
+    #[test]
+    fn verify_load_private_keys_of_different_types() -> io::Result<()> {
+        let rsa_sha256_key = tls_example_key!("rsa_sha256_key.pem");
+        let ecdsa_nistp256_sha256_key = tls_example_key!("ecdsa_nistp256_sha256_key_pkcs8.pem");
+        let ecdsa_nistp384_sha384_key = tls_example_key!("ecdsa_nistp384_sha384_key_pkcs8.pem");
+        let ed2551_key = tls_example_key!("ed25519_key.pem");
+
+        load_private_key(&mut Cursor::new(rsa_sha256_key))?;
+        load_private_key(&mut Cursor::new(ecdsa_nistp256_sha256_key))?;
+        load_private_key(&mut Cursor::new(ecdsa_nistp384_sha384_key))?;
+        load_private_key(&mut Cursor::new(ed2551_key))?;
+
+        Ok(())
+    }
+
+    #[test]
+    fn verify_load_certs_of_different_types() -> io::Result<()> {
+        let rsa_sha256_cert = tls_example_key!("rsa_sha256_cert.pem");
+        let ecdsa_nistp256_sha256_cert = tls_example_key!("ecdsa_nistp256_sha256_cert.pem");
+        let ecdsa_nistp384_sha384_cert = tls_example_key!("ecdsa_nistp384_sha384_cert.pem");
+        let ed2551_cert = tls_example_key!("ed25519_cert.pem");
+
+        load_certs(&mut Cursor::new(rsa_sha256_cert))?;
+        load_certs(&mut Cursor::new(ecdsa_nistp256_sha256_cert))?;
+        load_certs(&mut Cursor::new(ecdsa_nistp384_sha384_cert))?;
+        load_certs(&mut Cursor::new(ed2551_cert))?;
+
+        Ok(())
+    }
+}

examples/tls/Rocket.toml

@@ -1,9 +1,24 @@
-# The certificate/private key pair used here was generated via openssl using the
-# `gen_cert.sh` script located in the `private/` subdirectory.
+# The certificate/private key pairs used here was generated via openssl using the
+# scripts 'gen_ca.sh' and 'gen_certs.sh' located in the `private/` subdirectory.
 #
-# The certificate is self-signed. As such, you will need to trust it directly
+# The certificates are self-signed. As such, you will need to trust them directly
 # for your browser to refer to the connection as secure. You should NEVER use
-# this certificate/key pair. It is here for DEMONSTRATION PURPOSES ONLY.
-[global.tls]
-certs = "private/cert.pem"
-key = "private/key.pem"
+# these certificate/key pairs. They are here for DEMONSTRATION PURPOSES ONLY.
+[default.tls]
+certs = "private/rsa_sha256_cert.pem"
+key = "private/rsa_sha256_key.pem"
+
+[rsa_sha256.tls]
+certs = "private/rsa_sha256_cert.pem"
+key = "private/rsa_sha256_key.pem"
+[ecdsa_nistp256_sha256.tls]
+certs = "private/ecdsa_nistp256_sha256_cert.pem"
+key = "private/ecdsa_nistp256_sha256_key_pkcs8.pem"
+
+[ecdsa_nistp384_sha384.tls]
+certs = "private/ecdsa_nistp384_sha384_cert.pem"
+key = "private/ecdsa_nistp384_sha384_key_pkcs8.pem"
+
+[ed25519.tls]
+certs = "private/ed25519_cert.pem"
+key = "private/ed25519_key.pem"

examples/tls/private/ecdsa_nistp256_sha256_cert.pem

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+iNml6X97ARlipNpjerbkuzRNHdxVhSh4LllPlXV4w4iGxjeONVkj69OB
+-----END CERTIFICATE-----

examples/tls/private/ecdsa_nistp256_sha256_key_pkcs8.pem

@@ -0,0 +1,5 @@
+-----BEGIN PRIVATE KEY-----
+MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgyomM+167aYfudwIs
+7T9VyM7FGJr2cYfpKOOOaeBIzyuhRANCAAQzqFmEN1a7P/mKHJHGgKOpLTFf3KFu
+hzC5aUsz3vXSgclet6DxTwGeew5MRxBE9Wom8gS4UHlZL5eVaUyQeKor
+-----END PRIVATE KEY-----

examples/tls/private/ecdsa_nistp384_sha384_cert.pem

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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++oJ3jCH6DnC4Ov1Qeyu/PWnc92DRxTmynOv11P/quDoQGrXPKZ+PxEEHktC1yyGi
+nff8EPTRzRqLYe+sFPS12MvrWhg7CoMLKxXhqezAH0gmf++bRrOrnkGkmMDbyFFh
+YraGkqZaG6X6dK7JyLIXndXv3rx7EfVdEmicIwQ04l7XsirxvYs1ei/wlSzn63k4
+uNj+AnJ0PNOmktTAHzfgHLv+fVgIlcM=
+-----END CERTIFICATE-----

examples/tls/private/ecdsa_nistp384_sha384_key_pkcs8.pem

@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDDUm43VOrG74fBAQT7y
+CqoKnDbOotrUHGbm/NR5KE3axbiccbQx349ZmvDUqOaZZNChZANiAAR69JeIdYW8
+x2qkkOAWZSOQYy2Y1S3biBmalAmJdaH+76mfmkMKTlcGyT5Pxns85sp9sZbBiBxm
+Odnh3uMZbqh5ej4zNfIP27NjsnmrQzm1HQqgmgU16e3FZ1Sn4Mbi6kA=
+-----END PRIVATE KEY-----

examples/tls/private/ed25519_cert.pem

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
+MIIDMjCCARqgAwIBAgIUNAiGpJKcWHB80qLj99td7IXO6QcwDQYJKoZIhvcNAQEL
+BQAwRzELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAkNBMRIwEAYDVQQKEwlSb2NrZXQg
+Q0ExFzAVBgNVBAMTDlJvY2tldCBSb290IENBMB4XDTIxMDMxMDE5NDg1MVoXDTMx
+MDMwODE5NDg1MVowPzELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAkNBMQ8wDQYDVQQK
+DAZSb2NrZXQxEjAQBgNVBAMMCWxvY2FsaG9zdDAqMAUGAytlcAMhAAnWZ6qQExvf
+pIrjevFoIX8Yo+VCqPq69fhF93GNNU7PoxgwFjAUBgNVHREEDTALgglsb2NhbGhv
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+LS9FgK8fCLKqmU7XA98qeAXKy+t17OXteDMV+NuT5Us2b/xGECm9J1+NJDQPRHCT
+RMYbh4B/6mzR7Jjw87ByJOjzWnl6XWJ2kvf3ZI2Y3uQeUV7mjZbg2YGfEZFirr9T
++C85BivcN+XLLVYbonqK/sD2dUjh4s9jIELkrcFm9XydGBVRvcrZCFu661Fg8Ro+
+QOBMUH+T0/45s4VKf14S3d7wZAXE1w5yJdz7/yXw1zpeGojgMZrGBZzFRDI9eh9J
+1+MrtLKbvxQcQHni696PJ1BkIMX6f8Wjp6gIr4m+MWoJrNi2VIfTQldVbQVhqVmF
+URikFHfMDxMpJxsZ45fAwSfHRO5+jwMyB6KOmaSQhS6y4YpLb6Y3j6QG1KL6+kjf
+/IPYS11c
+-----END CERTIFICATE-----

examples/tls/private/ed25519_key.pem

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+MC4CAQAwBQYDK2VwBCIEIBkz65y9k4wYXTNXgNDhKfJnCiEosnD95sFoVIxWmOzL
+-----END PRIVATE KEY-----

examples/tls/private/gen_ca.sh

@@ -0,0 +1,6 @@
+#! /bin/bash
+
+CA_SUBJECT="/C=US/ST=CA/O=Rocket CA/CN=Rocket Root CA"
+
+openssl genrsa -out ca_key.pem 4096
+openssl req -new -x509 -days 3650 -key ca_key.pem -subj "${CA_SUBJECT}" -out ca_cert.pem

examples/tls/private/gen_cert.sh

@@ -1,21 +0,0 @@
-#! /bin/bash
-
-# TODO: `rustls` (really, `webpki`) doesn't currently use the CN in the subject
-# to check if a certificate is valid for a server name sent via SNI. It's not
-# clear if this is intended, since certificates _should_ have a `subjectAltName`
-# with a DNS name, or if it simply hasn't been implemented yet. See
-# https://bugzilla.mozilla.org/show_bug.cgi?id=552346 for a bit more info.
-
-CA_SUBJECT="/C=US/ST=CA/O=Rocket CA/CN=Rocket Root CA"
-SUBJECT="/C=US/ST=CA/O=Rocket/CN=localhost"
-ALT="DNS:localhost"
-
-openssl genrsa -out ca_key.pem 4096
-openssl req -new -x509 -days 3650 -key ca_key.pem -subj "${CA_SUBJECT}" -out ca_cert.pem
-
-openssl req -newkey rsa:4096 -nodes -sha256 -keyout key.pem -subj "${SUBJECT}" -out server.csr
-openssl x509 -req -sha256 -extfile <(printf "subjectAltName=${ALT}") -days 3650 \
-    -CA ca_cert.pem -CAkey ca_key.pem -CAcreateserial \
-    -in server.csr -out cert.pem
-
-rm ca_cert.srl server.csr

examples/tls/private/gen_certs.sh

@@ -0,0 +1,80 @@
+#! /bin/bash
+
+# Should use gen_ca.sh first to generate the CA.
+
+# To generate certificates of specific private key type, pass any of the following arguements:
+# 'ed25519', 'rsa_sha256', 'ecdsa_nistp256_sha256' or 'ecdsa_nistp384_sha384'
+#
+# If no argument is passed all supported certificates types will be generated.
+#
+
+# TODO: `rustls` (really, `webpki`) doesn't currently use the CN in the subject
+# to check if a certificate is valid for a server name sent via SNI. It's not
+# clear if this is intended, since certificates _should_ have a `subjectAltName`
+# with a DNS name, or if it simply hasn't been implemented yet. See
+# https://bugzilla.mozilla.org/show_bug.cgi?id=552346 for a bit more info.
+
+SUBJECT="/C=US/ST=CA/O=Rocket/CN=localhost"
+ALT="DNS:localhost"
+
+function gen_rsa_sha256() {
+    openssl req -newkey rsa:4096 -nodes -sha256 -keyout rsa_sha256_key.pem -subj "${SUBJECT}" -out server.csr
+    openssl x509 -req -sha256 -extfile <(printf "subjectAltName=${ALT}") -days 3650 \
+        -CA ca_cert.pem -CAkey ca_key.pem -CAcreateserial \
+        -in server.csr -out rsa_sha256_cert.pem
+
+    rm ca_cert.srl server.csr
+}
+
+function gen_ed25519() {
+    openssl genpkey -algorithm ED25519 > ed25519_key.pem
+
+    openssl req -new -key ed25519_key.pem -subj "${SUBJECT}" -out server.csr
+    openssl x509 -req -extfile <(printf "subjectAltName=${ALT}") -days 3650 \
+        -CA ca_cert.pem -CAkey ca_key.pem -CAcreateserial \
+        -in server.csr -out ed25519_cert.pem
+
+    rm ca_cert.srl server.csr
+}
+
+function gen_ecdsa_nistp256_sha256() {
+    openssl ecparam -out ecdsa_nistp256_sha256_key.pem -name prime256v1 -genkey
+
+    # Convert to pkcs8 format supported by rustls
+    openssl pkcs8 -topk8 -nocrypt -in ecdsa_nistp256_sha256_key.pem -out ecdsa_nistp256_sha256_key_pkcs8.pem
+
+    openssl req -new -nodes -sha256 -key ecdsa_nistp256_sha256_key_pkcs8.pem -subj "${SUBJECT}" -out server.csr
+    openssl x509 -req -sha256 -extfile <(printf "subjectAltName=${ALT}") -days 3650 \
+        -CA ca_cert.pem -CAkey ca_key.pem -CAcreateserial \
+        -in server.csr -out ecdsa_nistp256_sha256_cert.pem
+
+    rm ca_cert.srl server.csr ecdsa_nistp256_sha256_key.pem
+}
+
+
+function gen_ecdsa_nistp384_sha384() {
+    openssl ecparam -out ecdsa_nistp384_sha384_key.pem -name secp384r1 -genkey
+
+    # Convert to pkcs8 format supported by rustls
+    openssl pkcs8 -topk8 -nocrypt -in ecdsa_nistp384_sha384_key.pem -out ecdsa_nistp384_sha384_key_pkcs8.pem
+
+    openssl req -new -nodes -sha384 -key ecdsa_nistp384_sha384_key_pkcs8.pem -subj "${SUBJECT}" -out server.csr
+    openssl x509 -req -sha384 -extfile <(printf "subjectAltName=${ALT}") -days 3650 \
+        -CA ca_cert.pem -CAkey ca_key.pem -CAcreateserial \
+        -in server.csr -out ecdsa_nistp384_sha384_cert.pem
+
+    rm ca_cert.srl server.csr ecdsa_nistp384_sha384_key.pem
+}
+
+case $1 in
+  ed25519) gen_ed25519 ;;
+  rsa_sha256) gen_rsa_sha256 ;;
+  ecdsa_nistp256_sha256) gen_ecdsa_nistp256_sha256 ;;
+  ecdsa_nistp384_sha384) gen_ecdsa_nistp384_sha384 ;;
+  *)
+    gen_ed25519
+    gen_rsa_sha256
+    gen_ecdsa_nistp256_sha256
+    gen_ecdsa_nistp384_sha384
+    ;;
+esac