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Add a return from pk_get_ueccpubkey if uecc_public_key_read_binary fails

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Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2020-07-17 02:10:40 -04:00
parent 7e6075b7fd
commit 3ed65d2b84
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GPG key ID: 89A90840DC388527
1 changed files with 5 additions and 4 deletions
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9
library/pkparse.c
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@ -573,8 +573,10 @@ static int pk_get_ueccpubkey( unsigned char **p,
mbedtls_uecc_keypair *uecc_keypair = (mbedtls_uecc_keypair *) pk_context;
int ret;
ret = uecc_public_key_read_binary( uecc_keypair,
(const unsigned char *) *p, end - *p );
if( ( ret = uecc_public_key_read_binary( uecc_keypair,
(const unsigned char *) *p, end - *p ) )
!= 0 )
return ret;
/*
* We know uecc_public_key_read_binary consumed all bytes or failed
@ -1062,7 +1064,7 @@ static int pk_parse_key_sec1_der( mbedtls_ecp_keypair *eck,
size_t keylen )
{
int ret;
int version, pubkey_done;
int version, pubkey_done = 0;
size_t len;
mbedtls_asn1_buf params;
unsigned char *p = (unsigned char *) key;
@ -1104,7 +1106,6 @@ static int pk_parse_key_sec1_der( mbedtls_ecp_keypair *eck,
p += len;
pubkey_done = 0;
if( p != end )
{
/*