lib/mbedtls
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Add parsing/printing for new X.509 keyUsage flags

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This commit is contained in:
Manuel Pégourié-Gonnard
2015-06-23 10:14:36 +02:00
parent b80d16d171
commit 9a702255f4
5 changed files with 32 additions and 2 deletions
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12
library/x509_crt.c
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@ -371,6 +371,7 @@ static int x509_get_key_usage( unsigned char **p,
unsigned int *key_usage)
{
int ret;
size_t i;
mbedtls_x509_bitstring bs = { 0, 0, NULL };
if( ( ret = mbedtls_asn1_get_bitstring( p, end, &bs ) ) != 0 )
@ -381,7 +382,12 @@ static int x509_get_key_usage( unsigned char **p,
MBEDTLS_ERR_ASN1_INVALID_LENGTH );
/* Get actual bitstring */
*key_usage = *bs.p;
*key_usage = 0;
for( i = 0; i < bs.len && i < sizeof( unsigned int ); i++ )
{
*key_usage |= (unsigned int) bs.p[i] << (8*i);
}
return( 0 );
}
@ -1274,7 +1280,7 @@ static int x509_info_cert_type( char **buf, size_t *size,
PRINT_ITEM( name );
static int x509_info_key_usage( char **buf, size_t *size,
unsigned char key_usage )
unsigned int key_usage )
{
int ret;
size_t n = *size;
@ -1288,6 +1294,8 @@ static int x509_info_key_usage( char **buf, size_t *size,
KEY_USAGE( MBEDTLS_X509_KU_KEY_AGREEMENT, "Key Agreement" );
KEY_USAGE( MBEDTLS_X509_KU_KEY_CERT_SIGN, "Key Cert Sign" );
KEY_USAGE( MBEDTLS_X509_KU_CRL_SIGN, "CRL Sign" );
KEY_USAGE( MBEDTLS_X509_KU_ENCIPHER_ONLY, "Encipher Only" );
KEY_USAGE( MBEDTLS_X509_KU_DECIPHER_ONLY, "Decipher Only" );
*size = n;
*buf = p;