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/*
* Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/err.h>
#include "crypto/ecx.h"
#include "prov/bio.h" /* ossl_prov_bio_printf() */
#include "prov/implementations.h" /* ecx_keymgmt_functions */
#include "serializer_local.h"
void ecx_get_new_free_import(ECX_KEY_TYPE type,
OSSL_OP_keymgmt_new_fn **ecx_new,
OSSL_OP_keymgmt_free_fn **ecx_free,
OSSL_OP_keymgmt_import_fn **ecx_import)
{
if (type == ECX_KEY_TYPE_X25519) {
*ecx_new = ossl_prov_get_keymgmt_new(x25519_keymgmt_functions);
*ecx_free = ossl_prov_get_keymgmt_free(x25519_keymgmt_functions);
*ecx_import = ossl_prov_get_keymgmt_import(x25519_keymgmt_functions);
} else if (type == ECX_KEY_TYPE_X448) {
*ecx_new = ossl_prov_get_keymgmt_new(x448_keymgmt_functions);
*ecx_free = ossl_prov_get_keymgmt_free(x448_keymgmt_functions);
*ecx_import = ossl_prov_get_keymgmt_import(x448_keymgmt_functions);
} else {
*ecx_new = NULL;
*ecx_free = NULL;
*ecx_import = NULL;
}
}
int ossl_prov_print_ecx(BIO *out, ECX_KEY *ecxkey, enum ecx_print_type type)
{
const char *type_label = NULL;
switch (type) {
case ecx_print_priv:
switch (ecxkey->keylen) {
case X25519_KEYLEN:
type_label = "X25519 Private-Key";
break;
case X448_KEYLEN:
type_label = "X448 Private-Key";
break;
}
break;
case ecx_print_pub:
switch (ecxkey->keylen) {
case X25519_KEYLEN:
type_label = "X25519 Public-Key";
break;
case X448_KEYLEN:
type_label = "X448 Public-Key";
break;
}
break;
}
if (type == ecx_print_priv && ecxkey->privkey == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (ossl_prov_bio_printf(out, "%s:\n", type_label) <= 0)
return 0;
if (type == ecx_print_priv
&& !ossl_prov_print_labeled_buf(out, "priv:", ecxkey->privkey,
ecxkey->keylen))
return 0;
if (!ossl_prov_print_labeled_buf(out, "pub:", ecxkey->pubkey,
ecxkey->keylen))
return 0;
return 1;
}
int ossl_prov_ecx_pub_to_der(const void *vecxkey, unsigned char **pder)
{
const ECX_KEY *ecxkey = vecxkey;
unsigned char *keyblob;
if (ecxkey == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
keyblob = OPENSSL_memdup(ecxkey->pubkey, ecxkey->keylen);
if (keyblob == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return 0;
}
*pder = keyblob;
return ecxkey->keylen;
}
int ossl_prov_ecx_priv_to_der(const void *vecxkey, unsigned char **pder)
{
const ECX_KEY *ecxkey = vecxkey;
ASN1_OCTET_STRING oct;
int keybloblen;
if (ecxkey == NULL || ecxkey->privkey == NULL) {
ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
oct.data = ecxkey->privkey;
oct.length = ecxkey->keylen;
oct.flags = 0;
keybloblen = i2d_ASN1_OCTET_STRING(&oct, pder);
if (keybloblen < 0) {
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
return 0;
}
return keybloblen;
}
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