Implement internally opaque bn access from evp
[openssl.git] / crypto / evp / m_sha1.c
index 57a1ab0cceca5ab85d4f155d63689386c29bdeb4..a0bfd99d22cdcc0d3df0c475eb10096d30f03ce2 100644 (file)
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_SHA
 #include <stdio.h>
 #include "cryptlib.h"
+
+#ifndef OPENSSL_NO_SHA
+
 #include <openssl/evp.h>
 #include <openssl/objects.h>
-#include <openssl/x509.h>
+#include <openssl/sha.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+
+static int init(EVP_MD_CTX *ctx)
+       { return SHA1_Init(ctx->md_data); }
 
-static EVP_MD sha1_md=
+static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
+       { return SHA1_Update(ctx->md_data,data,count); }
+
+static int final(EVP_MD_CTX *ctx,unsigned char *md)
+       { return SHA1_Final(md,ctx->md_data); }
+
+static const EVP_MD sha1_md=
        {
        NID_sha1,
        NID_sha1WithRSAEncryption,
        SHA_DIGEST_LENGTH,
-       SHA1_Init,
-       SHA1_Update,
-       SHA1_Final,
-       EVP_PKEY_RSA_method,
+       EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+       init,
+       update,
+       final,
+       NULL,
+       NULL,
+       EVP_PKEY_NULL_method,
        SHA_CBLOCK,
        sizeof(EVP_MD *)+sizeof(SHA_CTX),
        };
 
-EVP_MD *EVP_sha1(void)
+const EVP_MD *EVP_sha1(void)
        {
        return(&sha1_md);
        }
 #endif
+
+#ifndef OPENSSL_NO_SHA256
+static int init224(EVP_MD_CTX *ctx)
+       { return SHA224_Init(ctx->md_data); }
+static int init256(EVP_MD_CTX *ctx)
+       { return SHA256_Init(ctx->md_data); }
+/*
+ * Even though there're separate SHA224_[Update|Final], we call
+ * SHA256 functions even in SHA224 context. This is what happens
+ * there anyway, so we can spare few CPU cycles:-)
+ */
+static int update256(EVP_MD_CTX *ctx,const void *data,size_t count)
+       { return SHA256_Update(ctx->md_data,data,count); }
+static int final256(EVP_MD_CTX *ctx,unsigned char *md)
+       { return SHA256_Final(md,ctx->md_data); }
+
+static const EVP_MD sha224_md=
+       {
+       NID_sha224,
+       NID_sha224WithRSAEncryption,
+       SHA224_DIGEST_LENGTH,
+       EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+       init224,
+       update256,
+       final256,
+       NULL,
+       NULL,
+       EVP_PKEY_NULL_method,
+       SHA256_CBLOCK,
+       sizeof(EVP_MD *)+sizeof(SHA256_CTX),
+       };
+
+const EVP_MD *EVP_sha224(void)
+       { return(&sha224_md); }
+
+static const EVP_MD sha256_md=
+       {
+       NID_sha256,
+       NID_sha256WithRSAEncryption,
+       SHA256_DIGEST_LENGTH,
+       EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+       init256,
+       update256,
+       final256,
+       NULL,
+       NULL,
+       EVP_PKEY_NULL_method,
+       SHA256_CBLOCK,
+       sizeof(EVP_MD *)+sizeof(SHA256_CTX),
+       };
+
+const EVP_MD *EVP_sha256(void)
+       { return(&sha256_md); }
+#endif /* ifndef OPENSSL_NO_SHA256 */
+
+#ifndef OPENSSL_NO_SHA512
+static int init384(EVP_MD_CTX *ctx)
+       { return SHA384_Init(ctx->md_data); }
+static int init512(EVP_MD_CTX *ctx)
+       { return SHA512_Init(ctx->md_data); }
+/* See comment in SHA224/256 section */
+static int update512(EVP_MD_CTX *ctx,const void *data,size_t count)
+       { return SHA512_Update(ctx->md_data,data,count); }
+static int final512(EVP_MD_CTX *ctx,unsigned char *md)
+       { return SHA512_Final(md,ctx->md_data); }
+
+static const EVP_MD sha384_md=
+       {
+       NID_sha384,
+       NID_sha384WithRSAEncryption,
+       SHA384_DIGEST_LENGTH,
+       EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+       init384,
+       update512,
+       final512,
+       NULL,
+       NULL,
+       EVP_PKEY_NULL_method,
+       SHA512_CBLOCK,
+       sizeof(EVP_MD *)+sizeof(SHA512_CTX),
+       };
+
+const EVP_MD *EVP_sha384(void)
+       { return(&sha384_md); }
+
+static const EVP_MD sha512_md=
+       {
+       NID_sha512,
+       NID_sha512WithRSAEncryption,
+       SHA512_DIGEST_LENGTH,
+       EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
+       init512,
+       update512,
+       final512,
+       NULL,
+       NULL,
+       EVP_PKEY_NULL_method,
+       SHA512_CBLOCK,
+       sizeof(EVP_MD *)+sizeof(SHA512_CTX),
+       };
+
+const EVP_MD *EVP_sha512(void)
+       { return(&sha512_md); }
+#endif /* ifndef OPENSSL_NO_SHA512 */
+