mirror of
https://github.com/openssl/openssl.git
synced 2024-12-27 06:21:43 +08:00
3295d24238
As of TLSv1.3 draft-25 the record header data must be used as AAD Reviewed-by: Ben Kaduk <kaduk@mit.edu> (Merged from https://github.com/openssl/openssl/pull/5604)
697 lines
20 KiB
C
697 lines
20 KiB
C
/*
|
|
* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (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
|
|
*/
|
|
|
|
/*
|
|
* This is the OSSLTEST engine. It provides deliberately crippled digest
|
|
* implementations for test purposes. It is highly insecure and must NOT be
|
|
* used for any purpose except testing
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <openssl/engine.h>
|
|
#include <openssl/sha.h>
|
|
#include <openssl/md5.h>
|
|
#include <openssl/rsa.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/modes.h>
|
|
#include <openssl/aes.h>
|
|
#include <openssl/rand.h>
|
|
#include <openssl/crypto.h>
|
|
|
|
#include "e_ossltest_err.c"
|
|
|
|
/* Engine Id and Name */
|
|
static const char *engine_ossltest_id = "ossltest";
|
|
static const char *engine_ossltest_name = "OpenSSL Test engine support";
|
|
|
|
|
|
/* Engine Lifetime functions */
|
|
static int ossltest_destroy(ENGINE *e);
|
|
static int ossltest_init(ENGINE *e);
|
|
static int ossltest_finish(ENGINE *e);
|
|
void ENGINE_load_ossltest(void);
|
|
|
|
|
|
/* Set up digests */
|
|
static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
|
|
const int **nids, int nid);
|
|
static const RAND_METHOD *ossltest_rand_method(void);
|
|
|
|
/* MD5 */
|
|
static int digest_md5_init(EVP_MD_CTX *ctx);
|
|
static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count);
|
|
static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md);
|
|
|
|
static EVP_MD *_hidden_md5_md = NULL;
|
|
static const EVP_MD *digest_md5(void)
|
|
{
|
|
if (_hidden_md5_md == NULL) {
|
|
EVP_MD *md;
|
|
|
|
if ((md = EVP_MD_meth_new(NID_md5, NID_md5WithRSAEncryption)) == NULL
|
|
|| !EVP_MD_meth_set_result_size(md, MD5_DIGEST_LENGTH)
|
|
|| !EVP_MD_meth_set_input_blocksize(md, MD5_CBLOCK)
|
|
|| !EVP_MD_meth_set_app_datasize(md,
|
|
sizeof(EVP_MD *) + sizeof(MD5_CTX))
|
|
|| !EVP_MD_meth_set_flags(md, 0)
|
|
|| !EVP_MD_meth_set_init(md, digest_md5_init)
|
|
|| !EVP_MD_meth_set_update(md, digest_md5_update)
|
|
|| !EVP_MD_meth_set_final(md, digest_md5_final)) {
|
|
EVP_MD_meth_free(md);
|
|
md = NULL;
|
|
}
|
|
_hidden_md5_md = md;
|
|
}
|
|
return _hidden_md5_md;
|
|
}
|
|
|
|
/* SHA1 */
|
|
static int digest_sha1_init(EVP_MD_CTX *ctx);
|
|
static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count);
|
|
static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md);
|
|
|
|
static EVP_MD *_hidden_sha1_md = NULL;
|
|
static const EVP_MD *digest_sha1(void)
|
|
{
|
|
if (_hidden_sha1_md == NULL) {
|
|
EVP_MD *md;
|
|
|
|
if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
|
|
|| !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
|
|
|| !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
|
|
|| !EVP_MD_meth_set_app_datasize(md,
|
|
sizeof(EVP_MD *) + sizeof(SHA_CTX))
|
|
|| !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
|
|
|| !EVP_MD_meth_set_init(md, digest_sha1_init)
|
|
|| !EVP_MD_meth_set_update(md, digest_sha1_update)
|
|
|| !EVP_MD_meth_set_final(md, digest_sha1_final)) {
|
|
EVP_MD_meth_free(md);
|
|
md = NULL;
|
|
}
|
|
_hidden_sha1_md = md;
|
|
}
|
|
return _hidden_sha1_md;
|
|
}
|
|
|
|
/* SHA256 */
|
|
static int digest_sha256_init(EVP_MD_CTX *ctx);
|
|
static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count);
|
|
static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md);
|
|
|
|
static EVP_MD *_hidden_sha256_md = NULL;
|
|
static const EVP_MD *digest_sha256(void)
|
|
{
|
|
if (_hidden_sha256_md == NULL) {
|
|
EVP_MD *md;
|
|
|
|
if ((md = EVP_MD_meth_new(NID_sha256, NID_sha256WithRSAEncryption)) == NULL
|
|
|| !EVP_MD_meth_set_result_size(md, SHA256_DIGEST_LENGTH)
|
|
|| !EVP_MD_meth_set_input_blocksize(md, SHA256_CBLOCK)
|
|
|| !EVP_MD_meth_set_app_datasize(md,
|
|
sizeof(EVP_MD *) + sizeof(SHA256_CTX))
|
|
|| !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
|
|
|| !EVP_MD_meth_set_init(md, digest_sha256_init)
|
|
|| !EVP_MD_meth_set_update(md, digest_sha256_update)
|
|
|| !EVP_MD_meth_set_final(md, digest_sha256_final)) {
|
|
EVP_MD_meth_free(md);
|
|
md = NULL;
|
|
}
|
|
_hidden_sha256_md = md;
|
|
}
|
|
return _hidden_sha256_md;
|
|
}
|
|
|
|
/* SHA384/SHA512 */
|
|
static int digest_sha384_init(EVP_MD_CTX *ctx);
|
|
static int digest_sha512_init(EVP_MD_CTX *ctx);
|
|
static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count);
|
|
static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md);
|
|
static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md);
|
|
|
|
static EVP_MD *_hidden_sha384_md = NULL;
|
|
static const EVP_MD *digest_sha384(void)
|
|
{
|
|
if (_hidden_sha384_md == NULL) {
|
|
EVP_MD *md;
|
|
|
|
if ((md = EVP_MD_meth_new(NID_sha384, NID_sha384WithRSAEncryption)) == NULL
|
|
|| !EVP_MD_meth_set_result_size(md, SHA384_DIGEST_LENGTH)
|
|
|| !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
|
|
|| !EVP_MD_meth_set_app_datasize(md,
|
|
sizeof(EVP_MD *) + sizeof(SHA512_CTX))
|
|
|| !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
|
|
|| !EVP_MD_meth_set_init(md, digest_sha384_init)
|
|
|| !EVP_MD_meth_set_update(md, digest_sha512_update)
|
|
|| !EVP_MD_meth_set_final(md, digest_sha384_final)) {
|
|
EVP_MD_meth_free(md);
|
|
md = NULL;
|
|
}
|
|
_hidden_sha384_md = md;
|
|
}
|
|
return _hidden_sha384_md;
|
|
}
|
|
static EVP_MD *_hidden_sha512_md = NULL;
|
|
static const EVP_MD *digest_sha512(void)
|
|
{
|
|
if (_hidden_sha512_md == NULL) {
|
|
EVP_MD *md;
|
|
|
|
if ((md = EVP_MD_meth_new(NID_sha512, NID_sha512WithRSAEncryption)) == NULL
|
|
|| !EVP_MD_meth_set_result_size(md, SHA512_DIGEST_LENGTH)
|
|
|| !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
|
|
|| !EVP_MD_meth_set_app_datasize(md,
|
|
sizeof(EVP_MD *) + sizeof(SHA512_CTX))
|
|
|| !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
|
|
|| !EVP_MD_meth_set_init(md, digest_sha512_init)
|
|
|| !EVP_MD_meth_set_update(md, digest_sha512_update)
|
|
|| !EVP_MD_meth_set_final(md, digest_sha512_final)) {
|
|
EVP_MD_meth_free(md);
|
|
md = NULL;
|
|
}
|
|
_hidden_sha512_md = md;
|
|
}
|
|
return _hidden_sha512_md;
|
|
}
|
|
static void destroy_digests(void)
|
|
{
|
|
EVP_MD_meth_free(_hidden_md5_md);
|
|
_hidden_md5_md = NULL;
|
|
EVP_MD_meth_free(_hidden_sha1_md);
|
|
_hidden_sha1_md = NULL;
|
|
EVP_MD_meth_free(_hidden_sha256_md);
|
|
_hidden_sha256_md = NULL;
|
|
EVP_MD_meth_free(_hidden_sha384_md);
|
|
_hidden_sha384_md = NULL;
|
|
EVP_MD_meth_free(_hidden_sha512_md);
|
|
_hidden_sha512_md = NULL;
|
|
}
|
|
static int ossltest_digest_nids(const int **nids)
|
|
{
|
|
static int digest_nids[6] = { 0, 0, 0, 0, 0, 0 };
|
|
static int pos = 0;
|
|
static int init = 0;
|
|
|
|
if (!init) {
|
|
const EVP_MD *md;
|
|
if ((md = digest_md5()) != NULL)
|
|
digest_nids[pos++] = EVP_MD_type(md);
|
|
if ((md = digest_sha1()) != NULL)
|
|
digest_nids[pos++] = EVP_MD_type(md);
|
|
if ((md = digest_sha256()) != NULL)
|
|
digest_nids[pos++] = EVP_MD_type(md);
|
|
if ((md = digest_sha384()) != NULL)
|
|
digest_nids[pos++] = EVP_MD_type(md);
|
|
if ((md = digest_sha512()) != NULL)
|
|
digest_nids[pos++] = EVP_MD_type(md);
|
|
digest_nids[pos] = 0;
|
|
init = 1;
|
|
}
|
|
*nids = digest_nids;
|
|
return pos;
|
|
}
|
|
|
|
/* Setup ciphers */
|
|
static int ossltest_ciphers(ENGINE *, const EVP_CIPHER **,
|
|
const int **, int);
|
|
|
|
static int ossltest_cipher_nids[] = {
|
|
NID_aes_128_cbc, NID_aes_128_gcm, 0
|
|
};
|
|
|
|
/* AES128 */
|
|
|
|
int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
|
|
const unsigned char *iv, int enc);
|
|
int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
const unsigned char *in, size_t inl);
|
|
int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
|
|
const unsigned char *iv, int enc);
|
|
int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
const unsigned char *in, size_t inl);
|
|
static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
|
|
void *ptr);
|
|
|
|
static EVP_CIPHER *_hidden_aes_128_cbc = NULL;
|
|
static const EVP_CIPHER *ossltest_aes_128_cbc(void)
|
|
{
|
|
if (_hidden_aes_128_cbc == NULL
|
|
&& ((_hidden_aes_128_cbc = EVP_CIPHER_meth_new(NID_aes_128_cbc,
|
|
16 /* block size */,
|
|
16 /* key len */)) == NULL
|
|
|| !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc,16)
|
|
|| !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc,
|
|
EVP_CIPH_FLAG_DEFAULT_ASN1
|
|
| EVP_CIPH_CBC_MODE)
|
|
|| !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc,
|
|
ossltest_aes128_init_key)
|
|
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc,
|
|
ossltest_aes128_cbc_cipher)
|
|
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc,
|
|
EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())))) {
|
|
EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
|
|
_hidden_aes_128_cbc = NULL;
|
|
}
|
|
return _hidden_aes_128_cbc;
|
|
}
|
|
static EVP_CIPHER *_hidden_aes_128_gcm = NULL;
|
|
|
|
#define AES_GCM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
|
|
| EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
|
|
| EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
|
|
| EVP_CIPH_CUSTOM_COPY |EVP_CIPH_FLAG_AEAD_CIPHER \
|
|
| EVP_CIPH_GCM_MODE)
|
|
|
|
static const EVP_CIPHER *ossltest_aes_128_gcm(void)
|
|
{
|
|
if (_hidden_aes_128_gcm == NULL
|
|
&& ((_hidden_aes_128_gcm = EVP_CIPHER_meth_new(NID_aes_128_gcm,
|
|
1 /* block size */,
|
|
16 /* key len */)) == NULL
|
|
|| !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_gcm,12)
|
|
|| !EVP_CIPHER_meth_set_flags(_hidden_aes_128_gcm, AES_GCM_FLAGS)
|
|
|| !EVP_CIPHER_meth_set_init(_hidden_aes_128_gcm,
|
|
ossltest_aes128_gcm_init_key)
|
|
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_gcm,
|
|
ossltest_aes128_gcm_cipher)
|
|
|| !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_gcm,
|
|
ossltest_aes128_gcm_ctrl)
|
|
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_gcm,
|
|
EVP_CIPHER_impl_ctx_size(EVP_aes_128_gcm())))) {
|
|
EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
|
|
_hidden_aes_128_gcm = NULL;
|
|
}
|
|
return _hidden_aes_128_gcm;
|
|
}
|
|
|
|
static void destroy_ciphers(void)
|
|
{
|
|
EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
|
|
EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
|
|
_hidden_aes_128_cbc = NULL;
|
|
}
|
|
|
|
static int bind_ossltest(ENGINE *e)
|
|
{
|
|
/* Ensure the ossltest error handling is set up */
|
|
ERR_load_OSSLTEST_strings();
|
|
|
|
if (!ENGINE_set_id(e, engine_ossltest_id)
|
|
|| !ENGINE_set_name(e, engine_ossltest_name)
|
|
|| !ENGINE_set_digests(e, ossltest_digests)
|
|
|| !ENGINE_set_ciphers(e, ossltest_ciphers)
|
|
|| !ENGINE_set_RAND(e, ossltest_rand_method())
|
|
|| !ENGINE_set_destroy_function(e, ossltest_destroy)
|
|
|| !ENGINE_set_init_function(e, ossltest_init)
|
|
|| !ENGINE_set_finish_function(e, ossltest_finish)) {
|
|
OSSLTESTerr(OSSLTEST_F_BIND_OSSLTEST, OSSLTEST_R_INIT_FAILED);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DYNAMIC_ENGINE
|
|
static int bind_helper(ENGINE *e, const char *id)
|
|
{
|
|
if (id && (strcmp(id, engine_ossltest_id) != 0))
|
|
return 0;
|
|
if (!bind_ossltest(e))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
IMPLEMENT_DYNAMIC_CHECK_FN()
|
|
IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
|
|
#endif
|
|
|
|
static ENGINE *engine_ossltest(void)
|
|
{
|
|
ENGINE *ret = ENGINE_new();
|
|
if (ret == NULL)
|
|
return NULL;
|
|
if (!bind_ossltest(ret)) {
|
|
ENGINE_free(ret);
|
|
return NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void ENGINE_load_ossltest(void)
|
|
{
|
|
/* Copied from eng_[openssl|dyn].c */
|
|
ENGINE *toadd = engine_ossltest();
|
|
if (!toadd)
|
|
return;
|
|
ENGINE_add(toadd);
|
|
ENGINE_free(toadd);
|
|
ERR_clear_error();
|
|
}
|
|
|
|
|
|
static int ossltest_init(ENGINE *e)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int ossltest_finish(ENGINE *e)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int ossltest_destroy(ENGINE *e)
|
|
{
|
|
destroy_digests();
|
|
destroy_ciphers();
|
|
ERR_unload_OSSLTEST_strings();
|
|
return 1;
|
|
}
|
|
|
|
static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
|
|
const int **nids, int nid)
|
|
{
|
|
int ok = 1;
|
|
if (!digest) {
|
|
/* We are returning a list of supported nids */
|
|
return ossltest_digest_nids(nids);
|
|
}
|
|
/* We are being asked for a specific digest */
|
|
switch (nid) {
|
|
case NID_md5:
|
|
*digest = digest_md5();
|
|
break;
|
|
case NID_sha1:
|
|
*digest = digest_sha1();
|
|
break;
|
|
case NID_sha256:
|
|
*digest = digest_sha256();
|
|
break;
|
|
case NID_sha384:
|
|
*digest = digest_sha384();
|
|
break;
|
|
case NID_sha512:
|
|
*digest = digest_sha512();
|
|
break;
|
|
default:
|
|
ok = 0;
|
|
*digest = NULL;
|
|
break;
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
static int ossltest_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
|
|
const int **nids, int nid)
|
|
{
|
|
int ok = 1;
|
|
if (!cipher) {
|
|
/* We are returning a list of supported nids */
|
|
*nids = ossltest_cipher_nids;
|
|
return (sizeof(ossltest_cipher_nids) - 1)
|
|
/ sizeof(ossltest_cipher_nids[0]);
|
|
}
|
|
/* We are being asked for a specific cipher */
|
|
switch (nid) {
|
|
case NID_aes_128_cbc:
|
|
*cipher = ossltest_aes_128_cbc();
|
|
break;
|
|
case NID_aes_128_gcm:
|
|
*cipher = ossltest_aes_128_gcm();
|
|
break;
|
|
default:
|
|
ok = 0;
|
|
*cipher = NULL;
|
|
break;
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
static void fill_known_data(unsigned char *md, unsigned int len)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i=0; i<len; i++) {
|
|
md[i] = (unsigned char)(i & 0xff);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* MD5 implementation. We go through the motions of doing MD5 by deferring to
|
|
* the standard implementation. Then we overwrite the result with a will defined
|
|
* value, so that all "MD5" digests using the test engine always end up with
|
|
* the same value.
|
|
*/
|
|
#undef data
|
|
#define data(ctx) ((MD5_CTX *)EVP_MD_CTX_md_data(ctx))
|
|
static int digest_md5_init(EVP_MD_CTX *ctx)
|
|
{
|
|
return MD5_Init(data(ctx));
|
|
}
|
|
|
|
static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count)
|
|
{
|
|
return MD5_Update(data(ctx), data, (size_t)count);
|
|
}
|
|
|
|
static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
|
|
{
|
|
int ret;
|
|
ret = MD5_Final(md, data(ctx));
|
|
|
|
if (ret > 0) {
|
|
fill_known_data(md, MD5_DIGEST_LENGTH);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* SHA1 implementation.
|
|
*/
|
|
#undef data
|
|
#define data(ctx) ((SHA_CTX *)EVP_MD_CTX_md_data(ctx))
|
|
static int digest_sha1_init(EVP_MD_CTX *ctx)
|
|
{
|
|
return SHA1_Init(data(ctx));
|
|
}
|
|
|
|
static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count)
|
|
{
|
|
return SHA1_Update(data(ctx), data, (size_t)count);
|
|
}
|
|
|
|
static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
|
|
{
|
|
int ret;
|
|
ret = SHA1_Final(md, data(ctx));
|
|
|
|
if (ret > 0) {
|
|
fill_known_data(md, SHA_DIGEST_LENGTH);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* SHA256 implementation.
|
|
*/
|
|
#undef data
|
|
#define data(ctx) ((SHA256_CTX *)EVP_MD_CTX_md_data(ctx))
|
|
static int digest_sha256_init(EVP_MD_CTX *ctx)
|
|
{
|
|
return SHA256_Init(data(ctx));
|
|
}
|
|
|
|
static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count)
|
|
{
|
|
return SHA256_Update(data(ctx), data, (size_t)count);
|
|
}
|
|
|
|
static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md)
|
|
{
|
|
int ret;
|
|
ret = SHA256_Final(md, data(ctx));
|
|
|
|
if (ret > 0) {
|
|
fill_known_data(md, SHA256_DIGEST_LENGTH);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* SHA384/512 implementation.
|
|
*/
|
|
#undef data
|
|
#define data(ctx) ((SHA512_CTX *)EVP_MD_CTX_md_data(ctx))
|
|
static int digest_sha384_init(EVP_MD_CTX *ctx)
|
|
{
|
|
return SHA384_Init(data(ctx));
|
|
}
|
|
|
|
static int digest_sha512_init(EVP_MD_CTX *ctx)
|
|
{
|
|
return SHA512_Init(data(ctx));
|
|
}
|
|
|
|
static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
|
|
size_t count)
|
|
{
|
|
return SHA512_Update(data(ctx), data, (size_t)count);
|
|
}
|
|
|
|
static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md)
|
|
{
|
|
int ret;
|
|
/* Actually uses SHA512_Final! */
|
|
ret = SHA512_Final(md, data(ctx));
|
|
|
|
if (ret > 0) {
|
|
fill_known_data(md, SHA384_DIGEST_LENGTH);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md)
|
|
{
|
|
int ret;
|
|
ret = SHA512_Final(md, data(ctx));
|
|
|
|
if (ret > 0) {
|
|
fill_known_data(md, SHA512_DIGEST_LENGTH);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* AES128 Implementation
|
|
*/
|
|
|
|
int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
|
|
const unsigned char *iv, int enc)
|
|
{
|
|
return EVP_CIPHER_meth_get_init(EVP_aes_128_cbc()) (ctx, key, iv, enc);
|
|
}
|
|
|
|
int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
const unsigned char *in, size_t inl)
|
|
{
|
|
unsigned char *tmpbuf;
|
|
int ret;
|
|
|
|
tmpbuf = OPENSSL_malloc(inl);
|
|
|
|
/* OPENSSL_malloc will return NULL if inl == 0 */
|
|
if (tmpbuf == NULL && inl > 0)
|
|
return -1;
|
|
|
|
/* Remember what we were asked to encrypt */
|
|
if (tmpbuf != NULL)
|
|
memcpy(tmpbuf, in, inl);
|
|
|
|
/* Go through the motions of encrypting it */
|
|
ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc())(ctx, out, in, inl);
|
|
|
|
/* Throw it all away and just use the plaintext as the output */
|
|
if (tmpbuf != NULL)
|
|
memcpy(out, tmpbuf, inl);
|
|
OPENSSL_free(tmpbuf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
|
|
const unsigned char *iv, int enc)
|
|
{
|
|
return EVP_CIPHER_meth_get_init(EVP_aes_128_gcm()) (ctx, key, iv, enc);
|
|
}
|
|
|
|
|
|
int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
|
|
const unsigned char *in, size_t inl)
|
|
{
|
|
unsigned char *tmpbuf = OPENSSL_malloc(inl);
|
|
|
|
/* OPENSSL_malloc will return NULL if inl == 0 */
|
|
if (tmpbuf == NULL && inl > 0)
|
|
return -1;
|
|
|
|
/* Remember what we were asked to encrypt */
|
|
if (tmpbuf != NULL)
|
|
memcpy(tmpbuf, in, inl);
|
|
|
|
/* Go through the motions of encrypting it */
|
|
EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
|
|
|
|
/* Throw it all away and just use the plaintext as the output */
|
|
if (tmpbuf != NULL && out != NULL)
|
|
memcpy(out, tmpbuf, inl);
|
|
OPENSSL_free(tmpbuf);
|
|
|
|
return inl;
|
|
}
|
|
|
|
static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
|
|
void *ptr)
|
|
{
|
|
/* Pass the ctrl down */
|
|
int ret = EVP_CIPHER_meth_get_ctrl(EVP_aes_128_gcm())(ctx, type, arg, ptr);
|
|
|
|
if (ret <= 0)
|
|
return ret;
|
|
|
|
switch(type) {
|
|
case EVP_CTRL_AEAD_GET_TAG:
|
|
/* Always give the same tag */
|
|
memset(ptr, 0, EVP_GCM_TLS_TAG_LEN);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int ossltest_rand_bytes(unsigned char *buf, int num)
|
|
{
|
|
unsigned char val = 1;
|
|
|
|
while (--num >= 0)
|
|
*buf++ = val++;
|
|
return 1;
|
|
}
|
|
|
|
static int ossltest_rand_status(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static const RAND_METHOD *ossltest_rand_method(void)
|
|
{
|
|
|
|
static RAND_METHOD osslt_rand_meth = {
|
|
NULL,
|
|
ossltest_rand_bytes,
|
|
NULL,
|
|
NULL,
|
|
ossltest_rand_bytes,
|
|
ossltest_rand_status
|
|
};
|
|
|
|
return &osslt_rand_meth;
|
|
}
|