From 64eb614ccc7ccf30cc412b736f509f1d82bbf897 Mon Sep 17 00:00:00 2001 From: Samuel Weiser Date: Wed, 31 Jan 2018 13:10:55 +0100 Subject: [PATCH] used ERR set/pop mark Reviewed-by: Rich Salz Reviewed-by: Kurt Roeckx Reviewed-by: Matt Caswell (Merged from https://github.com/openssl/openssl/pull/5170) (cherry picked from commit 011f82e66f4bf131c733fd41a8390039859aafb2) --- crypto/rsa/rsa_gen.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/crypto/rsa/rsa_gen.c b/crypto/rsa/rsa_gen.c index 8553772f06..610d82db66 100644 --- a/crypto/rsa/rsa_gen.c +++ b/crypto/rsa/rsa_gen.c @@ -163,6 +163,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, goto err; if (!BN_sub(r2, rsa->p, BN_value_one())) goto err; + ERR_set_mark(); if (BN_mod_inverse(r1, r2, rsa->e, ctx) != NULL) { /* GCD == 1 since inverse exists */ break; @@ -171,7 +172,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, if (ERR_GET_LIB(error) == ERR_LIB_BN && ERR_GET_REASON(error) == BN_R_NO_INVERSE) { /* GCD != 1 */ - ERR_clear_error(); + ERR_pop_to_mark(); } else { goto err; } @@ -187,6 +188,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, } while (BN_cmp(rsa->p, rsa->q) == 0); if (!BN_sub(r2, rsa->q, BN_value_one())) goto err; + ERR_set_mark(); if (BN_mod_inverse(r1, r2, rsa->e, ctx) != NULL) { /* GCD == 1 since inverse exists */ break; @@ -195,7 +197,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, if (ERR_GET_LIB(error) == ERR_LIB_BN && ERR_GET_REASON(error) == BN_R_NO_INVERSE) { /* GCD != 1 */ - ERR_clear_error(); + ERR_pop_to_mark(); } else { goto err; } -- 2.25.1