1 files changed, 50 insertions, 4 deletions
diff --git a/openssl/src/c_helpers.c b/openssl/src/c_helpers.c
index e884bebd..13041956 100644
--- a/openssl/src/c_helpers.c
+++ b/openssl/src/c_helpers.c
@@ -1,8 +1,7 @@
+#include <openssl/hmac.h>
 #include <openssl/ssl.h>
-
-void rust_SSL_clone(SSL *ssl) {
-    CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL);
-}
+#include <openssl/dh.h>
+#include <openssl/bn.h>
 
 void rust_SSL_CTX_clone(SSL_CTX *ctx) {
     CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
@@ -11,3 +10,50 @@ void rust_SSL_CTX_clone(SSL_CTX *ctx) {
 void rust_X509_clone(X509 *x509) {
     CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
 }
+
+STACK_OF(X509_EXTENSION) *rust_X509_get_extensions(X509 *x) {
+    return x->cert_info ? x->cert_info->extensions : NULL;
+}
+
+DH *rust_DH_new_from_params(BIGNUM *p, BIGNUM *g, BIGNUM *q) {
+    DH *dh;
+
+    if ((dh = DH_new()) == NULL) {
+        return NULL;
+    }
+    dh->p = p;
+    dh->g = g;
+    dh->q = q;
+    return dh;
+}
+
+#if OPENSSL_VERSION_NUMBER < 0x10000000L
+int rust_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
+    HMAC_Init_ex(ctx, key, key_len, md, impl);
+    return 1;
+}
+
+int rust_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
+    HMAC_Update(ctx, data, len);
+    return 1;
+}
+
+int rust_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
+    HMAC_Final(ctx, md, len);
+    return 1;
+}
+
+#else
+
+int rust_HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
+    return HMAC_Init_ex(ctx, key, key_len, md, impl);
+}
+
+int rust_HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, int len) {
+    return HMAC_Update(ctx, data, len);
+}
+
+int rust_HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
+    return HMAC_Final(ctx, md, len);
+}
+#endif