diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2011-06-03 20:53:00 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2011-06-03 20:53:00 +0000 |
commit | 24d7159abd5e8a3fb5a75167e01b24230fb0874b (patch) | |
tree | 16bdf4ef0a62f645b5954de9a6bc137e38d79c83 /crypto/ts | |
parent | 7978dc989d09061913ce14a23a97c8c5f1821cdb (diff) |
Backport libcrypto audit: check return values of EVP functions instead
of assuming they will always suceed.
Diffstat (limited to 'crypto/ts')
-rw-r--r-- | crypto/ts/ts_rsp_verify.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/crypto/ts/ts_rsp_verify.c b/crypto/ts/ts_rsp_verify.c index e1f3b534af..afe16afbe4 100644 --- a/crypto/ts/ts_rsp_verify.c +++ b/crypto/ts/ts_rsp_verify.c @@ -614,12 +614,15 @@ static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info, goto err; } - EVP_DigestInit(&md_ctx, md); + if (!EVP_DigestInit(&md_ctx, md)) + goto err; while ((length = BIO_read(data, buffer, sizeof(buffer))) > 0) { - EVP_DigestUpdate(&md_ctx, buffer, length); + if (!EVP_DigestUpdate(&md_ctx, buffer, length)) + goto err; } - EVP_DigestFinal(&md_ctx, *imprint, NULL); + if (!EVP_DigestFinal(&md_ctx, *imprint, NULL)) + goto err; return 1; err: |