Stop raising ERR_R_MALLOC_FAILURE in most places

[openssl.git] / crypto / cmac / cmac.c

diff --git a/crypto/cmac/cmac.c b/crypto/cmac/cmac.c
index 12445c4a24b915931ebb4917dcfd009259df9d1a..b7cbba90c04f655a59e9d3d9f1d984ab65feec0d 100644 (file)
--- a/crypto/cmac/cmac.c
+++ b/crypto/cmac/cmac.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2010-2021 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -53,10 +53,8 @@ CMAC_CTX *CMAC_CTX_new(void)
 {
     CMAC_CTX *ctx;
 
-    if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL) {
-        ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
+    if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL)
         return NULL;
-    }
     ctx->cctx = EVP_CIPHER_CTX_new();
     if (ctx->cctx == NULL) {
         OPENSSL_free(ctx);
@@ -96,7 +94,7 @@ int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in)
 
     if (in->nlast_block == -1)
         return 0;
-    if ((bl = EVP_CIPHER_CTX_block_size(in->cctx)) < 0)
+    if ((bl = EVP_CIPHER_CTX_get_block_size(in->cctx)) < 0)
         return 0;
     if (!EVP_CIPHER_CTX_copy(out->cctx, in->cctx))
         return 0;
@@ -120,7 +118,7 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
             return 0;
         if (!EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, zero_iv))
             return 0;
-        memset(ctx->tbl, 0, EVP_CIPHER_CTX_block_size(ctx->cctx));
+        memset(ctx->tbl, 0, EVP_CIPHER_CTX_get_block_size(ctx->cctx));
         ctx->nlast_block = 0;
         return 1;
     }
@@ -137,13 +135,13 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
 
         /* If anything fails then ensure we can't use this ctx */
         ctx->nlast_block = -1;
-        if (!EVP_CIPHER_CTX_cipher(ctx->cctx))
+        if (EVP_CIPHER_CTX_get0_cipher(ctx->cctx) == NULL)
             return 0;
-        if (!EVP_CIPHER_CTX_set_key_length(ctx->cctx, keylen))
+        if (EVP_CIPHER_CTX_set_key_length(ctx->cctx, keylen) <= 0)
             return 0;
         if (!EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, key, zero_iv))
             return 0;
-        if ((bl = EVP_CIPHER_CTX_block_size(ctx->cctx)) < 0)
+        if ((bl = EVP_CIPHER_CTX_get_block_size(ctx->cctx)) < 0)
             return 0;
         if (EVP_Cipher(ctx->cctx, ctx->tbl, zero_iv, bl) <= 0)
             return 0;
@@ -169,7 +167,7 @@ int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen)
         return 0;
     if (dlen == 0)
         return 1;
-    if ((bl = EVP_CIPHER_CTX_block_size(ctx->cctx)) < 0)
+    if ((bl = EVP_CIPHER_CTX_get_block_size(ctx->cctx)) < 0)
         return 0;
     /* Copy into partial block if we need to */
     if (ctx->nlast_block > 0) {
@@ -209,7 +207,7 @@ int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen)
 
     if (ctx->nlast_block == -1)
         return 0;
-    if ((bl = EVP_CIPHER_CTX_block_size(ctx->cctx)) < 0)
+    if ((bl = EVP_CIPHER_CTX_get_block_size(ctx->cctx)) < 0)
         return 0;
     if (poutlen != NULL)
         *poutlen = (size_t)bl;
@@ -227,7 +225,7 @@ int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen)
         for (i = 0; i < bl; i++)
             out[i] = ctx->last_block[i] ^ ctx->k2[i];
     }
-    if (!EVP_Cipher(ctx->cctx, out, out, bl)) {
+    if (EVP_Cipher(ctx->cctx, out, out, bl) <= 0) {
         OPENSSL_cleanse(out, bl);
         return 0;
     }