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authorRichard Levitte <levitte@openssl.org>2016-05-09 21:52:11 +0200
committerRichard Levitte <levitte@openssl.org>2016-05-09 22:29:13 +0200
commit59a56c4cf02bbf1efeda6c2a5893d5079db78ff3 (patch)
treef829d6d9af985690cc6fb6aa7eaa8556fb87a1b0 /crypto/asn1/i2d_pr.c
parentDon't send signature algorithms when client_version is below TLS 1.2. (diff)
downloadopenssl-59a56c4cf02bbf1efeda6c2a5893d5079db78ff3.tar.xz
openssl-59a56c4cf02bbf1efeda6c2a5893d5079db78ff3.zip
Add NULL check in i2d_PrivateKey()
Originally submitted by Kurt Cancemi <kurt@x64architecture.com> Closes RT#4533 Reviewed-by: Matt Caswell <matt@openssl.org>
Diffstat (limited to 'crypto/asn1/i2d_pr.c')
-rw-r--r--crypto/asn1/i2d_pr.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/crypto/asn1/i2d_pr.c b/crypto/asn1/i2d_pr.c
index 7ca643fb58..15b428eec1 100644
--- a/crypto/asn1/i2d_pr.c
+++ b/crypto/asn1/i2d_pr.c
@@ -69,10 +69,13 @@ int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp)
}
if (a->ameth && a->ameth->priv_encode) {
PKCS8_PRIV_KEY_INFO *p8 = EVP_PKEY2PKCS8(a);
- int ret = i2d_PKCS8_PRIV_KEY_INFO(p8, pp);
- PKCS8_PRIV_KEY_INFO_free(p8);
+ int ret = 0;
+ if (p8 != NULL) {
+ ret = i2d_PKCS8_PRIV_KEY_INFO(p8, pp);
+ PKCS8_PRIV_KEY_INFO_free(p8);
+ }
return ret;
}
ASN1err(ASN1_F_I2D_PRIVATEKEY, ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
- return (-1);
+ return -1;
}