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coverity 1462580 Improper use of negative value

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Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11651)
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Pauli 2020-04-27 09:28:55 +10:00
parent 209c3d3ef6
commit 206da660a3
1 changed files with 2 additions and 0 deletions
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2
crypto/hmac/hmac.c
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@ -55,6 +55,8 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
j = EVP_MD_block_size(md);
if (!ossl_assert(j <= (int)sizeof(keytmp)))
return 0;
if (j < 0)
return 0;
if (j < len) {
if (!EVP_DigestInit_ex(ctx->md_ctx, md, impl)
|| !EVP_DigestUpdate(ctx->md_ctx, key, len)