libcrypto-compat: add extra functions

Added extra functions. The next commit will switch to them.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>

src/libcrypto-compat.c

@@ -280,6 +280,11 @@ void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
     OPENSSL_free(ctx);
 }
 
+int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *ctx)
+{
+	EVP_CIPHER_CTX_init(ctx);
+}
+
 HMAC_CTX *HMAC_CTX_new(void)
 {
     HMAC_CTX *ctx = OPENSSL_zalloc(sizeof(HMAC_CTX));
@@ -394,3 +399,12 @@ int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
     }
     return 1;
 }
+
+const char *OpenSSL_version(int type)
+{
+    return SSLeay_version(type);
+}
+unsigned long OpenSSL_version_num(void)
+{
+    return SSLeay();
+}

src/libcrypto-compat.h

@@ -34,6 +34,8 @@ int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
 EVP_MD_CTX *EVP_MD_CTX_new(void);
 void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
 
+int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *ctx);
+
 HMAC_CTX *HMAC_CTX_new(void);
 int HMAC_CTX_reset(HMAC_CTX *ctx);
 void HMAC_CTX_free(HMAC_CTX *ctx);
@@ -44,6 +46,10 @@ int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
 void DH_get0_key(const DH *dh,
                  const BIGNUM **pub_key, const BIGNUM **priv_key);
 int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
+
+const char *OpenSSL_version(int type);
+unsigned long OpenSSL_version_num(void);
+
 #endif /* OPENSSL_VERSION_NUMBER */
 
 #endif /* LIBCRYPTO_COMPAT_H */