New functions to support opaque EVP_CIPHER_CTX handling.

1 files changed, 16 insertions, 0 deletions

diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c
index 22cb6131be..f0b725def6 100644
--- a/crypto/evp/evp_enc.c
+++ b/crypto/evp/evp_enc.c
@@ -74,6 +74,13 @@ void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx)
 	/* ctx->cipher=NULL; */
 	}
 
+EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void)
+	{
+	EVP_CIPHER_CTX *ctx=OPENSSL_malloc(sizeof *ctx);
+	if (ctx)
+		EVP_CIPHER_CTX_init(ctx);
+	return ctx;
+	}
 
 int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 	     const unsigned char *key, const unsigned char *iv, int enc)
@@ -472,6 +479,15 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
 	return(1);
 	}
 
+void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
+	{
+	if (ctx)
+		{
+		EVP_CIPHER_CTX_cleanup(ctx);
+		OPENSSL_free(ctx);
+		}
+	}
+
 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c)
 	{
 	if (c->cipher != NULL)