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check matching issuer crt and key for all algs

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use mbedtls_pk_check_pair to verify if issuer certificate and issuer key match,
instad of explicitely comparing RSA public component.
Raised and fix suggested by dbedev in #777
This commit is contained in:
Ron Eldor 2017-02-07 19:14:58 +02:00
parent cef21e4cd9
commit 0049f7857d
1 changed files with 1 additions and 5 deletions
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6
programs/x509/cert_write.c
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@ -497,11 +497,7 @@ int main( int argc, char *argv[] )
//
if( strlen( opt.issuer_crt ) )
{
if( !mbedtls_pk_can_do( &issuer_crt.pk, MBEDTLS_PK_RSA ) ||
mbedtls_mpi_cmp_mpi( &mbedtls_pk_rsa( issuer_crt.pk )->N,
&mbedtls_pk_rsa( *issuer_key )->N ) != 0 ||
mbedtls_mpi_cmp_mpi( &mbedtls_pk_rsa( issuer_crt.pk )->E,
&mbedtls_pk_rsa( *issuer_key )->E ) != 0 )
if( mbedtls_pk_check_pair( &issuer_crt.pk, issuer_key ) != 0 )
{
mbedtls_printf( " failed\n ! issuer_key does not match issuer certificate\n\n" );
ret = -1;