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https://github.com/godotengine/godot-git-plugin.git
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2fff57825c
* Add libgit2 libs + source * Set libgit2 dll as dependency of gitapi * Add libgit2 shared object * Add x11 git2 static lib * Add libgit2 binaries to demo project * Add windows binaries to demo project for git addon * Update gitignore to regard all demo files * Add windows addon binary to demo * Add git init
146 lines
2.9 KiB
C
146 lines
2.9 KiB
C
/*
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* Copyright (c) Edward Thomson. All rights reserved.
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*
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* This file is part of ntlmclient, distributed under the MIT license.
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* For full terms and copyright information, and for third-party
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* copyright information, see the included LICENSE.txt file.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "mbedtls/ctr_drbg.h"
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#include "mbedtls/des.h"
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#include "mbedtls/entropy.h"
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#include "mbedtls/md4.h"
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#include "ntlm.h"
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#include "crypt.h"
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bool ntlm_random_bytes(
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ntlm_client *ntlm,
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unsigned char *out,
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size_t len)
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{
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mbedtls_ctr_drbg_context ctr_drbg;
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mbedtls_entropy_context entropy;
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bool ret = true;
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const unsigned char personalization[] = {
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0xec, 0xb5, 0xd1, 0x0b, 0x8f, 0x15, 0x1f, 0xc2,
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0xe4, 0x8e, 0xec, 0x36, 0xf7, 0x0a, 0x45, 0x9a,
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0x1f, 0xe1, 0x35, 0x58, 0xb1, 0xcb, 0xfd, 0x8a,
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0x57, 0x5c, 0x75, 0x7d, 0x2f, 0xc9, 0x70, 0xac
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};
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mbedtls_ctr_drbg_init(&ctr_drbg);
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mbedtls_entropy_init(&entropy);
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if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
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&entropy, personalization, sizeof(personalization)) ||
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mbedtls_ctr_drbg_random(&ctr_drbg, out, len)) {
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ntlm_client_set_errmsg(ntlm, "random generation failed");
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ret = false;
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}
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mbedtls_entropy_free(&entropy);
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mbedtls_ctr_drbg_free(&ctr_drbg);
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return ret;
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}
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bool ntlm_des_encrypt(
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ntlm_des_block *out,
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ntlm_des_block *plaintext,
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ntlm_des_block *key)
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{
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mbedtls_des_context ctx;
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bool success = false;
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mbedtls_des_init(&ctx);
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if (mbedtls_des_setkey_enc(&ctx, *key) ||
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mbedtls_des_crypt_ecb(&ctx, *plaintext, *out))
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goto done;
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success = true;
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done:
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mbedtls_des_free(&ctx);
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return success;
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}
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bool ntlm_md4_digest(
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unsigned char out[CRYPT_MD4_DIGESTSIZE],
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const unsigned char *in,
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size_t in_len)
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{
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mbedtls_md4_context ctx;
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mbedtls_md4_init(&ctx);
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mbedtls_md4_starts(&ctx);
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mbedtls_md4_update(&ctx, in, in_len);
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mbedtls_md4_finish(&ctx, out);
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mbedtls_md4_free(&ctx);
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return true;
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}
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ntlm_hmac_ctx *ntlm_hmac_ctx_init(void)
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{
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ntlm_hmac_ctx *ctx;
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const mbedtls_md_info_t *info = mbedtls_md_info_from_type(MBEDTLS_MD_MD5);
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if ((ctx = calloc(1, sizeof(ntlm_hmac_ctx))) == NULL)
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return NULL;
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mbedtls_md_init(&ctx->mbed);
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if (mbedtls_md_setup(&ctx->mbed, info, 1) != 0) {
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free(ctx);
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return false;
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}
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return ctx;
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}
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bool ntlm_hmac_ctx_reset(ntlm_hmac_ctx *ctx)
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{
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return !mbedtls_md_hmac_reset(&ctx->mbed);
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}
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bool ntlm_hmac_md5_init(
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ntlm_hmac_ctx *ctx,
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const unsigned char *key,
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size_t key_len)
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{
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return !mbedtls_md_hmac_starts(&ctx->mbed, key, key_len);
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}
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bool ntlm_hmac_md5_update(
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ntlm_hmac_ctx *ctx,
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const unsigned char *in,
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size_t in_len)
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{
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return !mbedtls_md_hmac_update(&ctx->mbed, in, in_len);
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}
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bool ntlm_hmac_md5_final(
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unsigned char *out,
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size_t *out_len,
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ntlm_hmac_ctx *ctx)
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{
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if (*out_len < CRYPT_MD5_DIGESTSIZE)
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return false;
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return !mbedtls_md_hmac_finish(&ctx->mbed, out);
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}
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void ntlm_hmac_ctx_free(ntlm_hmac_ctx *ctx)
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{
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if (ctx) {
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mbedtls_md_free(&ctx->mbed);
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free(ctx);
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}
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}
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