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pk_wrap: destroy key slot on errors with policy or key importing

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This commit is contained in:
Andrzej Kurek 2018-11-08 04:33:06 -05:00
parent c097b0fded
commit 2f69b1a059
1 changed files with 7 additions and 7 deletions
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12
library/pk_wrap.c
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@ -696,15 +696,16 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
key_len = mbedtls_pk_write_pubkey_der( &key, buf, buf_len );
if( key_len <= 0 )
{
ret = MBEDTLS_ERR_PK_BAD_INPUT_DATA;
goto cleanup;
mbedtls_free( signature.p );
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
}
if( mbedtls_psa_get_free_key_slot( &key_slot ) != PSA_SUCCESS )
{
ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
goto cleanup;
mbedtls_free( signature.p );
return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
}
psa_key_policy_init( &policy );
psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_VERIFY, psa_sig_md );
if( psa_set_key_policy( key_slot, &policy ) != PSA_SUCCESS )
@ -725,14 +726,13 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
signature.p, signature.len )
!= PSA_SUCCESS )
{
psa_destroy_key( key_slot );
ret = MBEDTLS_ERR_ECP_VERIFY_FAILED;
goto cleanup;
}
ret = 0;
psa_destroy_key( key_slot );
cleanup:
psa_destroy_key( key_slot );
mbedtls_free( signature.p );
return( ret );
}