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use internal pk_get_rsapubkey function

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1) use `pk_get_rsapubkey` function instead of `pk_parse_key_pkcs1_der`
2) revert changes in `pk_parse_key_pkcs1_der`
This commit is contained in:
Ron Eldor 2017-10-16 17:11:52 +03:00
parent b006518289
commit 84df1aeeaf
1 changed files with 59 additions and 69 deletions
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32
library/pkparse.c
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@ -637,11 +637,11 @@ int mbedtls_pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
#if defined(MBEDTLS_RSA_C)
/*
* Parse a PKCS#1 encoded private( mode 0 )/public( mode 1 ) RSA key
* Parse a PKCS#1 encoded private RSA key
*/
static int pk_parse_key_pkcs1_der( mbedtls_rsa_context *rsa,
const unsigned char *key,
size_t keylen , int mode)
size_t keylen )
{
int ret;
size_t len;
@ -649,8 +649,7 @@ static int pk_parse_key_pkcs1_der( mbedtls_rsa_context *rsa,
p = (unsigned char *) key;
end = p + keylen;
if( mode == 0 )
{
/*
* This function parses the RSAPrivateKey (PKCS#1)
*
@ -712,15 +711,7 @@ static int pk_parse_key_pkcs1_der( mbedtls_rsa_context *rsa,
mbedtls_rsa_free( rsa );
return( ret );
}
}
else /* public key*/
{
if( ( ret = pk_get_rsapubkey( &p, end, rsa ) ) != 0 )
{
mbedtls_rsa_free( rsa );
return( ret );
}
}
return( 0 );
}
#endif /* MBEDTLS_RSA_C */
@ -916,7 +907,7 @@ static int pk_parse_key_pkcs8_unencrypted_der(
#if defined(MBEDTLS_RSA_C)
if( pk_alg == MBEDTLS_PK_RSA )
{
if( ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), p, len, 0 ) ) != 0 )
if( ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), p, len ) ) != 0 )
{
mbedtls_pk_free( pk );
return( ret );
@ -1095,7 +1086,7 @@ int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ),
pem.buf, pem.buflen, 0 ) ) != 0 )
pem.buf, pem.buflen ) ) != 0 )
{
mbedtls_pk_free( pk );
}
@ -1227,7 +1218,7 @@ int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), key, keylen, 0 ) ) == 0 )
( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), key, keylen ) ) == 0 )
{
return( 0 );
}
@ -1263,7 +1254,6 @@ int mbedtls_pk_parse_public_key( mbedtls_pk_context *ctx,
size_t len;
mbedtls_pem_context pem;
const mbedtls_pk_info_t *pk_info;
mbedtls_pem_init( &pem );
#if defined(MBEDTLS_RSA_C)
/* Avoid calling mbedtls_pem_read_buffer() on non-null-terminated string */
@ -1277,14 +1267,14 @@ int mbedtls_pk_parse_public_key( mbedtls_pk_context *ctx,
if( ret == 0 )
{
p = pem.buf;
if( ( pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == NULL )
return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = mbedtls_pk_setup( ctx, pk_info ) ) != 0 )
return( ret );
if( ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *ctx ),
pem.buf, pem.buflen, 1 ) ) != 0 )
if ( ( ret = pk_get_rsapubkey( &p, p + pem.buflen, mbedtls_pk_rsa( *ctx ) ) ) != 0 )
mbedtls_pk_free( ctx );
mbedtls_pem_free( &pem );
return( ret );
@ -1301,8 +1291,8 @@ int mbedtls_pk_parse_public_key( mbedtls_pk_context *ctx,
if( ( ret = mbedtls_pk_setup( ctx, pk_info ) ) != 0 )
return( ret );
ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *ctx ),
key, keylen, 1 );
p = (unsigned char *) key;
ret = pk_get_rsapubkey( &p, p + keylen, mbedtls_pk_rsa( *ctx ) );
if ( ret == 0 )
{
mbedtls_pem_free( &pem );