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Don't free in cleanup routine

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Cleanse instead, and free in the free routine.

Seems to have been introduced in commit
846ec07d904f9cc81d486db0db14fb84f61ff6e5 when EVP_CIPHER_CTX was made
opaque.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2798)
This commit is contained in:
Benjamin Kaduk 2017-02-28 16:09:53 -06:00 committed by Rich Salz
parent 695ecf8b44
commit 5c6c4c5c33
1 changed files with 2 additions and 1 deletions
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3
crypto/cmac/cmac.c
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@ -60,7 +60,7 @@ CMAC_CTX *CMAC_CTX_new(void)
void CMAC_CTX_cleanup(CMAC_CTX *ctx)
{
EVP_CIPHER_CTX_free(ctx->cctx);
EVP_CIPHER_CTX_cleanup(ctx->cctx);
OPENSSL_cleanse(ctx->tbl, EVP_MAX_BLOCK_LENGTH);
OPENSSL_cleanse(ctx->k1, EVP_MAX_BLOCK_LENGTH);
OPENSSL_cleanse(ctx->k2, EVP_MAX_BLOCK_LENGTH);
@ -78,6 +78,7 @@ void CMAC_CTX_free(CMAC_CTX *ctx)
if (!ctx)
return;
CMAC_CTX_cleanup(ctx);
EVP_CIPHER_CTX_free(ctx->cctx);
OPENSSL_free(ctx);
}