Provide EVP_CIPHER_CTX_reset().

Rides previous minor bump.

2 files changed, 27 insertions, 18 deletions

diff --git a/lib/libcrypto/evp/evp.h b/lib/libcrypto/evp/evp.h
index 148e15274f3..aec6fa4249a 100644
--- a/lib/libcrypto/evp/evp.h
+++ b/lib/libcrypto/evp/evp.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp.h,v 1.56 2018/02/17 14:55:31 jsing Exp $ */
+/* $OpenBSD: evp.h,v 1.57 2018/02/17 16:54:08 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -644,6 +644,7 @@ void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
 int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
+int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *a);
 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
diff --git a/lib/libcrypto/evp/evp_enc.c b/lib/libcrypto/evp/evp_enc.c
index 1b1e9da9011..de7c690ca79 100644
--- a/lib/libcrypto/evp/evp_enc.c
+++ b/lib/libcrypto/evp/evp_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp_enc.c,v 1.37 2017/11/28 06:55:49 tb Exp $ */
+/* $OpenBSD: evp_enc.c,v 1.38 2018/02/17 16:54:08 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -75,18 +75,6 @@
 
 #define M_do_cipher(ctx, out, in, inl) ctx->cipher->do_cipher(ctx, out, in, inl)
 
-void
-EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx)
-{
-	memset(ctx, 0, sizeof(EVP_CIPHER_CTX));
-}
-
-EVP_CIPHER_CTX *
-EVP_CIPHER_CTX_new(void)
-{
-	return calloc(1, sizeof(EVP_CIPHER_CTX));
-}
-
 int
 EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
     const unsigned char *key, const unsigned char *iv, int enc)
@@ -548,13 +536,33 @@ EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
 	return (1);
 }
 
+EVP_CIPHER_CTX *
+EVP_CIPHER_CTX_new(void)
+{
+	return calloc(1, sizeof(EVP_CIPHER_CTX));
+}
+
 void
 EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
 {
-	if (ctx) {
-		EVP_CIPHER_CTX_cleanup(ctx);
-		free(ctx);
-	}
+	if (ctx == NULL)
+		return;
+
+	EVP_CIPHER_CTX_cleanup(ctx);
+
+	free(ctx);
+}
+
+void
+EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx)
+{
+	memset(ctx, 0, sizeof(EVP_CIPHER_CTX));
+}
+
+int
+EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *a)
+{
+	return EVP_CIPHER_CTX_cleanup(a);
 }
 
 int