diff options
| author | Andy Polyakov <appro@openssl.org> | 2018-09-05 14:33:21 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2018-10-12 22:29:13 +0200 |
| commit | f7cbb8a4c222807be19994167890e66630a70101 (patch) | |
| tree | 21f97a8b85d3602478a89310aeef6c8c0172d3ce | |
| parent | d39b27749f7402127a0be1e8dfffd710db52bde6 (diff) | |
rsa/rsa_ossl.c: fix and extend commentary [skip ci].
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/7123)
(cherry picked from commit d1c008f66bad435b18aa45aa59f72bed7c682849)
| -rw-r--r-- | crypto/rsa/rsa_ossl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/rsa/rsa_ossl.c b/crypto/rsa/rsa_ossl.c index 5703411a89..23f948fbbb 100644 --- a/crypto/rsa/rsa_ossl.c +++ b/crypto/rsa/rsa_ossl.c @@ -655,10 +655,11 @@ static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) */ || !bn_mod_sub_fixed_top(r1, r1, m1, rsa->p) - /* r0 = r0 * iqmp mod p */ + /* r1 = r1 * iqmp mod p */ || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx) || !bn_mul_mont_fixed_top(r1, r1, rsa->iqmp, rsa->_method_mod_p, ctx) + /* r0 = r1 * q + m1 */ || !bn_mul_fixed_top(r0, r1, rsa->q, ctx) || !bn_mod_add_fixed_top(r0, r0, m1, rsa->n)) goto err; |