diff options
Diffstat (limited to 'crypto/rsa/rsa_ossl.c')
-rw-r--r-- | crypto/rsa/rsa_ossl.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/crypto/rsa/rsa_ossl.c b/crypto/rsa/rsa_ossl.c index 465134257fcc..33be9ea8cb84 100644 --- a/crypto/rsa/rsa_ossl.c +++ b/crypto/rsa/rsa_ossl.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -148,8 +148,7 @@ static int rsa_ossl_public_encrypt(int flen, const unsigned char *from, */ r = BN_bn2binpad(ret, to, num); err: - if (ctx != NULL) - BN_CTX_end(ctx); + BN_CTX_end(ctx); BN_CTX_free(ctx); OPENSSL_clear_free(buf, num); return r; @@ -354,8 +353,7 @@ static int rsa_ossl_private_encrypt(int flen, const unsigned char *from, */ r = BN_bn2binpad(res, to, num); err: - if (ctx != NULL) - BN_CTX_end(ctx); + BN_CTX_end(ctx); BN_CTX_free(ctx); OPENSSL_clear_free(buf, num); return r; @@ -481,11 +479,10 @@ static int rsa_ossl_private_decrypt(int flen, const unsigned char *from, goto err; } RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, RSA_R_PADDING_CHECK_FAILED); - err_clear_last_constant_time(r >= 0); + err_clear_last_constant_time(1 & ~constant_time_msb(r)); err: - if (ctx != NULL) - BN_CTX_end(ctx); + BN_CTX_end(ctx); BN_CTX_free(ctx); OPENSSL_clear_free(buf, num); return r; @@ -581,8 +578,7 @@ static int rsa_ossl_public_decrypt(int flen, const unsigned char *from, RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_PADDING_CHECK_FAILED); err: - if (ctx != NULL) - BN_CTX_end(ctx); + BN_CTX_end(ctx); BN_CTX_free(ctx); OPENSSL_clear_free(buf, num); return r; |