thodg/libgit2/src/util/hash/builtin.c
Branch
-
Show log
Commit
-
Hash : b900981c
Author :
Date : 2021-12-12T14:25:25
sha: add sha256 algorithm Add support for a SHA256 hash algorithm, and add the "builtin" SHA256 hash engine (from RFC 6234).
-
src/util/hash/builtin.c
-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
/* * Copyright (C) the libgit2 contributors. All rights reserved. * * This file is part of libgit2, distributed under the GNU GPL v2 with * a Linking Exception. For full terms see the included COPYING file. */ #include "builtin.h" int git_hash_sha256_global_init(void) { return 0; } int git_hash_sha256_ctx_init(git_hash_sha256_ctx *ctx) { return git_hash_sha256_init(ctx); } void git_hash_sha256_ctx_cleanup(git_hash_sha256_ctx *ctx) { GIT_UNUSED(ctx); } int git_hash_sha256_init(git_hash_sha256_ctx *ctx) { GIT_ASSERT_ARG(ctx); if (SHA256Reset(&ctx->c)) { git_error_set(GIT_ERROR_SHA, "SHA256 error"); return -1; } return 0; } int git_hash_sha256_update(git_hash_sha256_ctx *ctx, const void *data, size_t len) { GIT_ASSERT_ARG(ctx); if (SHA256Input(&ctx->c, data, len)) { git_error_set(GIT_ERROR_SHA, "SHA256 error"); return -1; } return 0; } int git_hash_sha256_final(unsigned char *out, git_hash_sha256_ctx *ctx) { GIT_ASSERT_ARG(ctx); if (SHA256Result(&ctx->c, out)) { git_error_set(GIT_ERROR_SHA, "SHA256 error"); return -1; } return 0; }