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pk_wrap: cosmetic changes

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Adjust whitespaces and variable names
This commit is contained in:
Andrzej Kurek 2018-11-06 08:50:04 -05:00
parent 8b036a6082
commit 6376d638b8
1 changed files with 16 additions and 14 deletions
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30
library/pk_wrap.c
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@ -547,12 +547,15 @@ static int extract_ecdsa_sig( unsigned char **p, const unsigned char *end,
size_t len_partial;
int tag_type;
if( ( end - *p ) < 1 )
{
return( MBEDTLS_ERR_X509_INVALID_SIGNATURE +
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
}
tag_type = **p;
if( ( ret = mbedtls_asn1_get_tag(p, end, &len_partial,
MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) {
if( ( ret = mbedtls_asn1_get_tag( p, end, &len_partial,
MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
{
return( MBEDTLS_ERR_X509_INVALID_SIGNATURE + ret );
}
@ -560,15 +563,15 @@ static int extract_ecdsa_sig( unsigned char **p, const unsigned char *end,
!= 0 )
return( ret );
if( **p == '\0' ) {
if( **p == '\0' )
{
( *p )++;
len_partial--;
}
sig->p = mbedtls_calloc( 2, len_partial );
if( sig->p == NULL ) {
if( sig->p == NULL )
return( MBEDTLS_ERR_ASN1_ALLOC_FAILED );
}
memcpy( sig->p, *p, len_partial );
len_signature = len_partial;
@ -580,7 +583,8 @@ static int extract_ecdsa_sig( unsigned char **p, const unsigned char *end,
return( ret );
}
if( **p == '\0' ) {
if( **p == '\0' )
{
( *p )++;
len_partial--;
}
@ -665,16 +669,14 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
mbedtls_pk_context key;
mbedtls_asn1_buf signature;
int key_len;
const int buff_len = 30 + 2 * MBEDTLS_ECP_MAX_BYTES; // Equivalent of ECP_PUB_DER_MAX_BYTES
unsigned char buf[buff_len];
unsigned char *p = ( unsigned char* ) sig;
const int buf_len = 30 + 2 * MBEDTLS_ECP_MAX_BYTES; // Equivalent of ECP_PUB_DER_MAX_BYTES
unsigned char buf[buf_len];
unsigned char *p = (unsigned char*) sig;
mbedtls_pk_info_t pk_info = mbedtls_eckey_info;
psa_algorithm_t psa_sig_md = PSA_ALG_ECDSA( translate_md_to_psa( md_alg ) );
psa_ecc_curve_t curve = mbedtls_ecc_group_to_psa ( ( (mbedtls_ecdsa_context *) ctx )->grp.id );
((void) md_alg);
memset( &signature, 0, sizeof( mbedtls_asn1_buf ) );
mbedtls_platform_zeroize( buf, buff_len );
key.pk_info = &pk_info;
key.pk_ctx = ctx;
psa_crypto_init();
@ -687,7 +689,7 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
goto cleanup;
}
key_len = mbedtls_pk_write_pubkey_der( &key, buf, buff_len );
key_len = mbedtls_pk_write_pubkey_der( &key, buf, buf_len );
if( key_len <= 0 )
{
ret = MBEDTLS_ERR_PK_BAD_INPUT_DATA;
@ -707,7 +709,7 @@ static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
goto cleanup;
}
if( psa_import_key( key_slot, psa_type, buf+buff_len-key_len, key_len )
if( psa_import_key( key_slot, psa_type, buf+buf_len-key_len, key_len )
!= PSA_SUCCESS )
{
ret = MBEDTLS_ERR_PK_BAD_INPUT_DATA;