[openssl-commits] [openssl] OpenSSL_1_0_2-stable update

[Andy Polyakov]

The branch OpenSSL_1_0_2-stable has been updated
       via  b1016c96dbb7a8d9b724f34656e0b2aae9e54cfe (commit)
      from  6be3286fee187edb3c133910c6ec27d21a75976b (commit)


- Log -----------------------------------------------------------------
commit b1016c96dbb7a8d9b724f34656e0b2aae9e54cfe
Author: Andy Polyakov <appro at openssl.org>
Date:   Wed Sep 5 14:33:21 2018 +0200

    rsa/rsa_ossl.c: fix and extend commentary [skip ci].
    
    Reviewed-by: Richard Levitte <levitte at openssl.org>
    Reviewed-by: Nicola Tuveri <nic.tuv at gmail.com>
    (Merged from https://github.com/openssl/openssl/pull/7123)
    
    (cherry picked from commit d1c008f66bad435b18aa45aa59f72bed7c682849)

-----------------------------------------------------------------------

Summary of changes:
 crypto/rsa/rsa_eay.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/rsa/rsa_eay.c b/crypto/rsa/rsa_eay.c
index 1bb121f..be948a4 100644
--- a/crypto/rsa/rsa_eay.c
+++ b/crypto/rsa/rsa_eay.c
@@ -783,10 +783,11 @@ static int RSA_eay_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;