extended hasher_signature_algorithm_to_oid() function

src/libstrongswan/credentials/keys/public_key.h

@@ -28,6 +28,7 @@ typedef enum signature_scheme_t signature_scheme_t;
 
 #include <library.h>
 #include <utils/identification.h>
+#include <credentials/keys/key_encoding.h>
 
 /**
  * Type of a key pair, the used crypto system

src/libstrongswan/crypto/hashers/hasher.c

@@ -104,36 +104,46 @@ int hasher_algorithm_to_oid(hash_algorithm_t alg)
 /*
  * Described in header.
  */
-int hasher_signature_algorithm_to_oid(hash_algorithm_t alg)
+int hasher_signature_algorithm_to_oid(hash_algorithm_t alg, key_type_t key)
 {
-	int oid;
+	switch (key)
-
-	switch (alg)
 	{
-		case HASH_MD2:
+		case KEY_RSA:
-			oid = OID_MD2_WITH_RSA;
+			switch (alg)
-			break;
+			{
-		case HASH_MD5:
+				case HASH_MD2:
-			oid = OID_MD5_WITH_RSA;
+					return OID_MD2_WITH_RSA;
-			break;
+				case HASH_MD5:
-		case HASH_SHA1:
+					return OID_MD5_WITH_RSA;
-			oid = OID_SHA1_WITH_RSA;
+				case HASH_SHA1:
-			break;
+					return OID_SHA1_WITH_RSA;
-		case HASH_SHA224:
+				case HASH_SHA224:
-			oid = OID_SHA224_WITH_RSA;
+					return OID_SHA224_WITH_RSA;
-			break;
+				case HASH_SHA256:
-		case HASH_SHA256:
+					return OID_SHA256_WITH_RSA;
-			oid = OID_SHA256_WITH_RSA;
+				case HASH_SHA384:
-			break;
+					return OID_SHA384_WITH_RSA;
-		case HASH_SHA384:
+				case HASH_SHA512:
-			oid = OID_SHA384_WITH_RSA;
+					return OID_SHA512_WITH_RSA;
-			break;
+				default:
-		case HASH_SHA512:
+					return OID_UNKNOWN;
-			oid = OID_SHA512_WITH_RSA;
+			}
-			break;
+		case KEY_ECDSA:
+			switch (alg)
+			{
+				case HASH_SHA1:
+					return OID_ECDSA_WITH_SHA1;
+				case HASH_SHA256:
+					return OID_ECDSA_WITH_SHA256;
+				case HASH_SHA384:
+					return OID_ECDSA_WITH_SHA384;
+				case HASH_SHA512:
+					return OID_ECDSA_WITH_SHA512;
+				default:
+					return OID_UNKNOWN;
+			}
 		default:
-			oid = OID_UNKNOWN;
+			return OID_UNKNOWN;
 	}
-	return oid;
 }
 

src/libstrongswan/crypto/hashers/hasher.h

@@ -27,6 +27,7 @@ typedef enum hash_algorithm_t hash_algorithm_t;
 typedef struct hasher_t hasher_t;
 
 #include <library.h>
+#include <credentials/keys/public_key.h>
 
 /**
  * Algorithms to use for hashing.
@@ -129,8 +130,9 @@ int hasher_algorithm_to_oid(hash_algorithm_t alg);
  * Conversion of hash signature algorithm into ASN.1 OID.
  *
  * @param alg			hash algorithm
+ * @param alg			public key type
  * @return				ASN.1 OID if, or OID_UNKNOW
  */
-int hasher_signature_algorithm_to_oid(hash_algorithm_t alg);
+int hasher_signature_algorithm_to_oid(hash_algorithm_t alg, key_type_t key);
 
 #endif /** HASHER_H_ @}*/

src/libstrongswan/crypto/pkcs7.c

@@ -825,7 +825,8 @@ bool build_envelopedData(private_pkcs7_t *this, x509_t *cert,
 bool build_signedData(private_pkcs7_t *this, rsa_private_key_t *private_key,
 					  hash_algorithm_t alg)
 {
-	int signature_oid = hasher_signature_algorithm_to_oid(alg);
+	int signature_oid = hasher_signature_algorithm_to_oid(alg,
+							private_key->get_type(private_key));
 	chunk_t authenticatedAttributes = chunk_empty;
 	chunk_t encryptedDigest = chunk_empty;
 	chunk_t signerInfo;

src/libstrongswan/plugins/x509/x509_cert.c

@@ -1220,54 +1220,11 @@ static bool generate(private_x509_cert_t *cert, certificate_t *sign_cert,
 	}
 
 	/* select signature scheme */
-	switch (sign_key->get_type(sign_key))
+	cert->algorithm = hasher_signature_algorithm_to_oid(digest_alg,
+								sign_key->get_type(sign_key));
+	if (cert->algorithm == OID_UNKNOWN)
 	{
-		case KEY_RSA:
+		return FALSE;
-			switch (digest_alg)
-			{
-				case HASH_MD5:
-					cert->algorithm = OID_MD5_WITH_RSA;
-					break;
-				case HASH_SHA1:
-					cert->algorithm = OID_SHA1_WITH_RSA;
-					break;
-				case HASH_SHA224:
-					cert->algorithm = OID_SHA224_WITH_RSA;
-					break;
-				case HASH_SHA256:
-					cert->algorithm = OID_SHA256_WITH_RSA;
-					break;
-				case HASH_SHA384:
-					cert->algorithm = OID_SHA384_WITH_RSA;
-					break;
-				case HASH_SHA512:
-					cert->algorithm = OID_SHA512_WITH_RSA;
-					break;
-				default:
-					return FALSE;
-			}
-			break;
-		case KEY_ECDSA:
-			switch (digest_alg)
-			{
-				case HASH_SHA1:
-					cert->algorithm = OID_ECDSA_WITH_SHA1;
-					break;
-				case HASH_SHA256:
-					cert->algorithm = OID_ECDSA_WITH_SHA256;
-					break;
-				case HASH_SHA384:
-					cert->algorithm = OID_ECDSA_WITH_SHA384;
-					break;
-				case HASH_SHA512:
-					cert->algorithm = OID_ECDSA_WITH_SHA512;
-					break;
-				default:
-					return FALSE;
-			}
-			break;
-		default:
-			return FALSE;
 	}
 	scheme = signature_scheme_from_oid(cert->algorithm);