+
+/*****************************************************************************
+ * Symetric cipher and digest function registrars
+ **/
+static int rsaref_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
+ const int **nids, int nid)
+ {
+ int ok = 1;
+ if(!cipher)
+ {
+ /* We are returning a list of supported nids */
+ *nids = rsaref_cipher_nids;
+ return (sizeof(rsaref_cipher_nids)-1)/sizeof(rsaref_cipher_nids[0]);
+ }
+ /* We are being asked for a specific cipher */
+ switch (nid)
+ {
+ case NID_des_cbc:
+ *cipher = &cipher_des_cbc; break;
+ case NID_des_ede3_cbc:
+ *cipher = &cipher_des_ede3_cbc; break;
+ case NID_desx_cbc:
+ *cipher = &cipher_desx_cbc; break;
+ default:
+ ok = 0;
+ *cipher = NULL;
+ break;
+ }
+ return ok;
+ }
+static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
+ const int **nids, int nid)
+ {
+ int ok = 1;
+ if(!digest)
+ {
+ /* We are returning a list of supported nids */
+ *nids = rsaref_digest_nids;
+ return (sizeof(rsaref_digest_nids)-1)/sizeof(rsaref_digest_nids[0]);
+ }
+ /* 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;
+ break;
+ }
+ return ok;
+ }
+
+/*****************************************************************************
+ * DES functions
+ **/
+#undef data
+#define data(ctx) ((DES_CBC_CTX *)(ctx)->cipher_data)
+static 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;
+ }
+static int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int 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;
+ }
+static int cipher_des_cbc_clean(EVP_CIPHER_CTX *ctx)
+ {
+ memset(data(ctx), 0, ctx->cipher->ctx_size);
+ return 1;
+ }
+
+#undef data
+#define data(ctx) ((DES3_CBC_CTX *)(ctx)->cipher_data)
+static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ DES3_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
+ enc);
+ return 1;
+ }
+static int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int 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;
+ }
+static int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *ctx)
+ {
+ memset(data(ctx), 0, ctx->cipher->ctx_size);
+ return 1;
+ }
+
+#undef data
+#define data(ctx) ((DESX_CBC_CTX *)(ctx)->cipher_data)
+static int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ DESX_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
+ enc);
+ return 1;
+ }
+static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int 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;
+ }
+static 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;
+ }