components/openssl: add some function description

components/openssl/include/internal/ssl_pkey.h

@@ -64,6 +64,21 @@ EVP_PKEY* d2i_PrivateKey(int type,
  */
 void EVP_PKEY_free(EVP_PKEY *x);
 
+/**
+ * @brief load private key into the SSL
+ *
+ * @param type - private key type
+ * @param ssl  - SSL point
+ * @param len  - data bytes
+ * @param d    - data point
+ *
+ * @return result
+ *     0 : failed
+ *     1 : OK 
+ */
+ int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d, long len);
+
+
 #ifdef __cplusplus
 }
 #endif

components/openssl/include/internal/ssl_x509.h

@@ -87,6 +87,20 @@ int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x);
  */
 int SSL_add_client_CA(SSL *ssl, X509 *x);
 
+/**
+ * @brief load certification into the SSL
+ *
+ * @param ssl - SSL point
+ * @param len - data bytes
+ * @param d   - data point
+ *
+ * @return result
+ *     0 : failed
+ *     1 : OK
+ *
+ */
+int SSL_use_certificate_ASN1(SSL *ssl, int len, const unsigned char *d);
+
 #ifdef __cplusplus
 }
 #endif

components/openssl/include/openssl/ssl.h

@@ -21,6 +21,7 @@
 
 #include "platform/ssl_port.h"
 #include "internal/ssl_x509.h"
+#include "internal/ssl_pkey.h"
 
 /*
 {
@@ -426,6 +427,26 @@ const char *SSL_get_version(const SSL *ssl);
  */
 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
 
+/**
+ * @brief get the bytes numbers which are to be read
+ *
+ * @param ssl  - SSL point
+ *
+ * @return bytes number
+ */
+int SSL_pending(const SSL *ssl);
+
+/**
+ * @brief check if SSL want nothing
+ *
+ * @param ssl - SSL point
+ *
+ * @return result
+ *     0 : false
+ *     1 : true
+ */
+int SSL_want_nothing(const SSL *ssl);
+
 /**
  * @brief get the SSL context current method
  *