diff options
Diffstat (limited to 'crypto/bn/rsaz_exp.c')
| -rw-r--r-- | crypto/bn/rsaz_exp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/bn/rsaz_exp.c b/crypto/bn/rsaz_exp.c index 2dbcb88ac3..e44eae43be 100644 --- a/crypto/bn/rsaz_exp.c +++ b/crypto/bn/rsaz_exp.c @@ -66,6 +66,7 @@ void RSAZ_1024_mod_exp_avx2(BN_ULONG result_norm[16], unsigned char *R2 = table_s; /* borrow */ int index; int wvalue; + BN_ULONG tmp[16]; if ((((size_t)p_str & 4095) + 320) >> 12) { result = p_str; @@ -237,7 +238,10 @@ void RSAZ_1024_mod_exp_avx2(BN_ULONG result_norm[16], rsaz_1024_red2norm_avx2(result_norm, result); + bn_reduce_once_in_place(result_norm, /*carry=*/0, m_norm, tmp, 16); + OPENSSL_cleanse(storage, sizeof(storage)); + OPENSSL_cleanse(tmp, sizeof(tmp)); } /* @@ -266,6 +270,7 @@ void RSAZ_512_mod_exp(BN_ULONG result[8], unsigned char *p_str = (unsigned char *)exponent; int index; unsigned int wvalue; + BN_ULONG tmp[8]; /* table[0] = 1_inv */ temp[0] = 0 - m[0]; @@ -309,7 +314,10 @@ void RSAZ_512_mod_exp(BN_ULONG result[8], /* from Montgomery */ rsaz_512_mul_by_one(result, temp, m, k0); + bn_reduce_once_in_place(result, /*carry=*/0, m, tmp, 8); + OPENSSL_cleanse(storage, sizeof(storage)); + OPENSSL_cleanse(tmp, sizeof(tmp)); } #endif |