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| author | Patrick Steuer <patrick.steuer@de.ibm.com> | 2019-09-24 14:44:27 +0200 |
|---|---|---|
| committer | Patrick Steuer <patrick.steuer@de.ibm.com> | 2019-09-25 15:53:53 +0200 |
| commit | 2281be2ed4a7df462677661d30b13826ae6b3e26 (patch) | |
| tree | a26e61a806b4f3005a152aa46eacab7868c5b6e2 | |
| parent | ac037dc874a721ca81a33b4314e26cef4a7e8d48 (diff) | |
s390x assembly pack: cleanse only sensitive fields
of instruction parameter blocks.
Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10004)
| -rw-r--r-- | crypto/ec/ecp_s390x_nistp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/ec/ecp_s390x_nistp.c b/crypto/ec/ecp_s390x_nistp.c index be81f0b8f0..9533698b0f 100644 --- a/crypto/ec/ecp_s390x_nistp.c +++ b/crypto/ec/ecp_s390x_nistp.c @@ -110,7 +110,7 @@ ret: /* Otherwise use default. */ if (rc == -1) rc = ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx); - OPENSSL_cleanse(param, sizeof(param)); + OPENSSL_cleanse(param + S390X_OFF_SCALAR(len), len); BN_CTX_end(ctx); BN_CTX_free(new_ctx); return rc; @@ -203,7 +203,7 @@ static ECDSA_SIG *ecdsa_s390x_nistp_sign_sig(const unsigned char *dgst, ok = 1; ret: - OPENSSL_cleanse(param, sizeof(param)); + OPENSSL_cleanse(param + S390X_OFF_K(len), 2 * len); if (ok != 1) { ECDSA_SIG_free(sig); sig = NULL; |