OpenSSL 1.1.1-pre2
This commit is contained in:
+19
-11
@@ -37,7 +37,8 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
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if (key != NULL) {
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reset = 1;
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j = EVP_MD_block_size(md);
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OPENSSL_assert(j <= (int)sizeof(ctx->key));
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if (!ossl_assert(j <= (int)sizeof(ctx->key)))
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goto err;
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if (j < len) {
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if (!EVP_DigestInit_ex(ctx->md_ctx, md, impl))
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goto err;
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@@ -118,7 +119,9 @@ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
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size_t HMAC_size(const HMAC_CTX *ctx)
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{
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return EVP_MD_size((ctx)->md);
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int size = EVP_MD_size((ctx)->md);
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return (size < 0) ? 0 : size;
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}
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HMAC_CTX *HMAC_CTX_new(void)
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@@ -155,31 +158,36 @@ void HMAC_CTX_free(HMAC_CTX *ctx)
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}
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}
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int HMAC_CTX_reset(HMAC_CTX *ctx)
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static int hmac_ctx_alloc_mds(HMAC_CTX *ctx)
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{
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hmac_ctx_cleanup(ctx);
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if (ctx->i_ctx == NULL)
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ctx->i_ctx = EVP_MD_CTX_new();
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if (ctx->i_ctx == NULL)
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goto err;
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return 0;
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if (ctx->o_ctx == NULL)
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ctx->o_ctx = EVP_MD_CTX_new();
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if (ctx->o_ctx == NULL)
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goto err;
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return 0;
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if (ctx->md_ctx == NULL)
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ctx->md_ctx = EVP_MD_CTX_new();
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if (ctx->md_ctx == NULL)
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goto err;
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ctx->md = NULL;
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return 0;
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return 1;
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err:
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}
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int HMAC_CTX_reset(HMAC_CTX *ctx)
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{
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hmac_ctx_cleanup(ctx);
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return 0;
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if (!hmac_ctx_alloc_mds(ctx)) {
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hmac_ctx_cleanup(ctx);
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return 0;
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}
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return 1;
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}
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int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
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{
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if (!HMAC_CTX_reset(dctx))
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if (!hmac_ctx_alloc_mds(dctx))
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goto err;
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if (!EVP_MD_CTX_copy_ex(dctx->i_ctx, sctx->i_ctx))
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goto err;
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