[openssl] OpenSSL_1_1_1-stable update
Richard Levitte
levitte at openssl.org
Tue Mar 19 06:29:17 UTC 2019
The branch OpenSSL_1_1_1-stable has been updated
via c8a9fa6910c3cb6e9b5f8eb029eb6fc80dfc9cfe (commit)
from 202f7c56597eb6f57eba1ea31503a734e5fbf930 (commit)
- Log -----------------------------------------------------------------
commit c8a9fa6910c3cb6e9b5f8eb029eb6fc80dfc9cfe
Author: Shane Lontis <shane.lontis at oracle.com>
Date: Tue Mar 19 09:58:09 2019 +1000
Added NULL check to BN_clear() & BN_CTX_end()
Reviewed-by: Paul Dale <paul.dale at oracle.com>
Reviewed-by: Richard Levitte <levitte at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8518)
(cherry picked from commit ce1415ed2ce15305356cd028bcf7b9bc688d6d5c)
-----------------------------------------------------------------------
Summary of changes:
crypto/bn/bn_ctx.c | 2 ++
crypto/bn/bn_lib.c | 2 ++
crypto/bn/bn_prime.c | 3 +--
crypto/dh/dh_check.c | 18 ++++++------------
crypto/dh/dh_gen.c | 6 ++----
crypto/dh/dh_key.c | 6 ++----
crypto/dsa/dsa_gen.c | 6 ++----
crypto/ec/ec2_smpl.c | 3 +--
crypto/ec/ec_lib.c | 3 +--
crypto/ec/ec_mult.c | 3 +--
crypto/ec/ecdh_ossl.c | 3 +--
crypto/ec/ecp_nistz256.c | 3 +--
crypto/ec/ecp_smpl.c | 6 ++----
crypto/rsa/rsa_gen.c | 3 +--
crypto/rsa/rsa_ossl.c | 12 ++++--------
crypto/rsa/rsa_x931g.c | 6 ++----
16 files changed, 31 insertions(+), 54 deletions(-)
diff --git a/crypto/bn/bn_ctx.c b/crypto/bn/bn_ctx.c
index 54b7999..90cecea 100644
--- a/crypto/bn/bn_ctx.c
+++ b/crypto/bn/bn_ctx.c
@@ -194,6 +194,8 @@ void BN_CTX_start(BN_CTX *ctx)
void BN_CTX_end(BN_CTX *ctx)
{
+ if (ctx == NULL)
+ return;
CTXDBG_ENTRY("BN_CTX_end", ctx);
if (ctx->err_stack)
ctx->err_stack--;
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 8286b38..f93bbcf 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -338,6 +338,8 @@ void BN_swap(BIGNUM *a, BIGNUM *b)
void BN_clear(BIGNUM *a)
{
+ if (a == NULL)
+ return;
bn_check_top(a);
if (a->d != NULL)
OPENSSL_cleanse(a->d, sizeof(*a->d) * a->dmax);
diff --git a/crypto/bn/bn_prime.c b/crypto/bn/bn_prime.c
index b91b31b..236b711 100644
--- a/crypto/bn/bn_prime.c
+++ b/crypto/bn/bn_prime.c
@@ -135,8 +135,7 @@ int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,
found = 1;
err:
OPENSSL_free(mods);
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
bn_check_top(ret);
return found;
diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c
index fc45577..52cc0eb 100644
--- a/crypto/dh/dh_check.c
+++ b/crypto/dh/dh_check.c
@@ -58,10 +58,8 @@ int DH_check_params(const DH *dh, int *ret)
ok = 1;
err:
- if (ctx != NULL) {
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
return ok;
}
@@ -171,10 +169,8 @@ int DH_check(const DH *dh, int *ret)
}
ok = 1;
err:
- if (ctx != NULL) {
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
return ok;
}
@@ -225,9 +221,7 @@ int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret)
ok = 1;
err:
- if (ctx != NULL) {
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
return ok;
}
diff --git a/crypto/dh/dh_gen.c b/crypto/dh/dh_gen.c
index 59137e0..b115028 100644
--- a/crypto/dh/dh_gen.c
+++ b/crypto/dh/dh_gen.c
@@ -122,9 +122,7 @@ static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
ok = 0;
}
- if (ctx != NULL) {
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
return ok;
}
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index 4f85be7..182ce32 100644
--- a/crypto/dh/dh_key.c
+++ b/crypto/dh/dh_key.c
@@ -205,10 +205,8 @@ static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
ret = BN_bn2bin(tmp, key);
err:
- if (ctx != NULL) {
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
return ret;
}
diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c
index 383d853..30b20bb 100644
--- a/crypto/dsa/dsa_gen.c
+++ b/crypto/dsa/dsa_gen.c
@@ -292,8 +292,7 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
if (seed_out)
memcpy(seed_out, seed, qsize);
}
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
BN_MONT_CTX_free(mont);
return ok;
@@ -607,8 +606,7 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
OPENSSL_free(seed);
if (seed_out != seed_tmp)
OPENSSL_free(seed_tmp);
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
BN_MONT_CTX_free(mont);
EVP_MD_CTX_free(mctx);
diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index 0a05a7a..898e741 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -204,8 +204,7 @@ int ec_GF2m_simple_group_check_discriminant(const EC_GROUP *group,
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index b89e397..bd1d6ab 100644
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -1074,8 +1074,7 @@ static int ec_field_inverse_mod_ord(const EC_GROUP *group, BIGNUM *r,
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c
index f8832e9..ce5796d 100644
--- a/crypto/ec/ec_mult.c
+++ b/crypto/ec/ec_mult.c
@@ -948,8 +948,7 @@ int ec_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
EC_ec_pre_comp_free(pre_comp);
if (points) {
diff --git a/crypto/ec/ecdh_ossl.c b/crypto/ec/ecdh_ossl.c
index 254a1dc..728815a 100644
--- a/crypto/ec/ecdh_ossl.c
+++ b/crypto/ec/ecdh_ossl.c
@@ -113,8 +113,7 @@ int ecdh_simple_compute_key(unsigned char **pout, size_t *poutlen,
err:
EC_POINT_clear_free(tmp);
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_free(buf);
return ret;
diff --git a/crypto/ec/ecp_nistz256.c b/crypto/ec/ecp_nistz256.c
index aea6394..7ad5eb6 100644
--- a/crypto/ec/ecp_nistz256.c
+++ b/crypto/ec/ecp_nistz256.c
@@ -888,8 +888,7 @@ __owur static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
EC_nistz256_pre_comp_free(pre_comp);
diff --git a/crypto/ec/ecp_smpl.c b/crypto/ec/ecp_smpl.c
index f6a6ced..e6e4c9d 100644
--- a/crypto/ec/ecp_smpl.c
+++ b/crypto/ec/ecp_smpl.c
@@ -307,8 +307,7 @@ int ec_GFp_simple_group_check_discriminant(const EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
@@ -787,8 +786,7 @@ int ec_GFp_simple_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
ret = 1;
end:
- if (ctx) /* otherwise we already called BN_CTX_end */
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
diff --git a/crypto/rsa/rsa_gen.c b/crypto/rsa/rsa_gen.c
index 7f0a256..c05e7be 100644
--- a/crypto/rsa/rsa_gen.c
+++ b/crypto/rsa/rsa_gen.c
@@ -387,8 +387,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, int primes, BIGNUM *e_value,
RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, ERR_LIB_BN);
ok = 0;
}
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
return ok;
}
diff --git a/crypto/rsa/rsa_ossl.c b/crypto/rsa/rsa_ossl.c
index 4651342..0c93f13 100644
--- a/crypto/rsa/rsa_ossl.c
+++ b/crypto/rsa/rsa_ossl.c
@@ -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;
@@ -484,8 +482,7 @@ static int rsa_ossl_private_decrypt(int flen, const unsigned char *from,
err_clear_last_constant_time(r >= 0);
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;
diff --git a/crypto/rsa/rsa_x931g.c b/crypto/rsa/rsa_x931g.c
index 15e40e8..2084c53 100644
--- a/crypto/rsa/rsa_x931g.c
+++ b/crypto/rsa/rsa_x931g.c
@@ -133,8 +133,7 @@ int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1,
ret = 1;
err:
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
BN_CTX_free(ctx2);
@@ -188,8 +187,7 @@ int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
ok = 1;
error:
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
if (ok)
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