Add MD digests.
authorRichard Levitte <levitte@openssl.org>
Thu, 15 Nov 2001 20:23:29 +0000 (20:23 +0000)
committerRichard Levitte <levitte@openssl.org>
Thu, 15 Nov 2001 20:23:29 +0000 (20:23 +0000)
And this finishes this engine, it now offers all ciphers and digests
that RSAref 2.0 has.

demos/engines/rsaref/rsaref.c

index b044bad..e23f64c 100644 (file)
@@ -88,7 +88,7 @@ static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
 static int rsaref_cipher_nids[] =
        { NID_des_cbc, NID_des_ede3_cbc, NID_desx_cbc, 0 };
 static int rsaref_digest_nids[] =
-       { 0 };
+       { NID_md2, NID_md5, 0 };
 
 /*****************************************************************************
  * DES functions
@@ -112,7 +112,7 @@ int cipher_desx_cbc_clean(EVP_CIPHER_CTX *);
 /*****************************************************************************
  * Our DES ciphers
  **/
-static EVP_CIPHER cipher_des_cbc =
+static const EVP_CIPHER cipher_des_cbc =
        {
        NID_des_cbc,
        8, 8, 8,
@@ -127,7 +127,7 @@ static EVP_CIPHER cipher_des_cbc =
        NULL
        };
 
-static EVP_CIPHER cipher_des_ede3_cbc =
+static const EVP_CIPHER cipher_des_ede3_cbc =
        {
        NID_des_ede3_cbc,
        8, 24, 8,
@@ -142,7 +142,7 @@ static EVP_CIPHER cipher_des_ede3_cbc =
        NULL
        };
 
-static EVP_CIPHER cipher_desx_cbc =
+static const EVP_CIPHER cipher_desx_cbc =
        {
        NID_desx_cbc,
        8, 24, 8,
@@ -157,6 +157,53 @@ static EVP_CIPHER cipher_desx_cbc =
        NULL
        };
 
+/*****************************************************************************
+ * MD functions
+ **/
+static int digest_md2_init(EVP_MD_CTX *ctx);
+static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
+       unsigned long count);
+static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md);
+static int digest_md5_init(EVP_MD_CTX *ctx);
+static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
+       unsigned long count);
+static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md);
+
+/*****************************************************************************
+ * Our MD digests
+ **/
+static const EVP_MD digest_md2 =
+       {
+       NID_md2,
+       NID_md2WithRSAEncryption,
+       16,
+       0,
+       digest_md2_init,
+       digest_md2_update,
+       digest_md2_final,
+       NULL,
+       NULL,
+       EVP_PKEY_RSA_method,
+       16,
+       sizeof(MD2_CTX)
+       };
+
+static const EVP_MD digest_md5 =
+       {
+       NID_md5,
+       NID_md5WithRSAEncryption,
+       16,
+       0,
+       digest_md5_init,
+       digest_md5_update,
+       digest_md5_final,
+       NULL,
+       NULL,
+       EVP_PKEY_RSA_method,
+       64,
+       sizeof(MD5_CTX)
+       };
+
 /*****************************************************************************
  *** Function definitions                                                  ***
  *****************************************************************************/
@@ -486,6 +533,10 @@ static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
        /* We are being asked for a specific digest */
        switch (nid)
                {
+       case NID_md2:
+               *digest = &digest_md2; break;
+       case NID_md5:
+               *digest = &digest_md5; break;
        default:
                ok = 0;
                *digest = NULL;
@@ -503,15 +554,28 @@ int cipher_des_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
        const unsigned char *iv, int enc)
        {
        DES_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
+       return 1;
        }
 int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
        const unsigned char *in, unsigned int inl)
        {
-       DES_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       int ret = DES_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       switch (ret)
+               {
+       case RE_LEN:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+               break;
+       case 0:
+               break;
+       default:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+               }
+       return !ret;
        }
 int cipher_des_cbc_clean(EVP_CIPHER_CTX *ctx)
        {
        memset(data(ctx), 0, ctx->cipher->ctx_size);
+       return 1;
        }
 
 #undef data
@@ -521,15 +585,28 @@ int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
        {
        DES3_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
                enc);
+       return 1;
        }
 int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
        const unsigned char *in, unsigned int inl)
        {
-       DES3_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       int ret = DES3_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       switch (ret)
+               {
+       case RE_LEN:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+               break;
+       case 0:
+               break;
+       default:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+               }
+       return !ret;
        }
 int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *ctx)
        {
        memset(data(ctx), 0, ctx->cipher->ctx_size);
+       return 1;
        }
 
 #undef data
@@ -539,13 +616,67 @@ int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
        {
        DESX_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
                enc);
+       return 1;
        }
 int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
        const unsigned char *in, unsigned int inl)
        {
-       DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       int ret = DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+       switch (ret)
+               {
+       case RE_LEN:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+               break;
+       case 0:
+               break;
+       default:
+               RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+               }
+       return !ret;
        }
 int cipher_desx_cbc_clean(EVP_CIPHER_CTX *ctx)
        {
        memset(data(ctx), 0, ctx->cipher->ctx_size);
+       return 1;
+       }
+
+/*****************************************************************************
+ * MD functions
+ **/
+#undef data
+#define data(ctx) ((MD2_CTX *)(ctx)->md_data)
+static int digest_md2_init(EVP_MD_CTX *ctx)
+       {
+       MD2Init(data(ctx));
+       return 1;
+       }
+static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
+       unsigned long count)
+       {
+       MD2Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+       return 1;
+       }
+static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md)
+       {
+       MD2Final(md, data(ctx));
+       return 1;
+       }
+
+#undef data
+#define data(ctx) ((MD5_CTX *)(ctx)->md_data)
+static int digest_md5_init(EVP_MD_CTX *ctx)
+       {
+       MD5Init(data(ctx));
+       return 1;
+       }
+static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
+       unsigned long count)
+       {
+       MD5Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+       return 1;
+       }
+static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md)
+       {
+       MD5Final(md, data(ctx));
+       return 1;
        }