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/*
* Copyright 2002-2020 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
*/
/*
* Copyright (C) 2019-2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !defined(OGS_CRYPT_INSIDE) && !defined(OGS_CRYPT_COMPILATION)
#error "This header cannot be included directly."
#endif
#ifndef OGS_SHA2_H
#define OGS_SHA2_H
#ifdef __cplusplus
extern "C" {
#endif
#define OGS_SHA224_DIGEST_SIZE ( 224 / 8)
#define OGS_SHA256_DIGEST_SIZE ( 256 / 8)
#define OGS_SHA384_DIGEST_SIZE ( 384 / 8)
#define OGS_SHA512_DIGEST_SIZE ( 512 / 8)
#define OGS_SHA256_BLOCK_SIZE ( 512 / 8)
#define OGS_SHA512_BLOCK_SIZE (1024 / 8)
#define OGS_SHA384_BLOCK_SIZE OGS_SHA512_BLOCK_SIZE
#define OGS_SHA224_BLOCK_SIZE OGS_SHA256_BLOCK_SIZE
typedef struct {
uint32_t tot_len;
uint32_t len;
uint8_t block[2 * OGS_SHA256_BLOCK_SIZE];
uint32_t h[8];
} ogs_sha256_ctx;
typedef struct {
uint32_t tot_len;
uint32_t len;
uint8_t block[2 * OGS_SHA512_BLOCK_SIZE];
uint64_t h[8];
} ogs_sha512_ctx;
typedef ogs_sha512_ctx ogs_sha384_ctx;
typedef ogs_sha256_ctx ogs_sha224_ctx;
void ogs_sha224_init(ogs_sha224_ctx *ctx);
void ogs_sha224_update(ogs_sha224_ctx *ctx, const uint8_t *message,
uint32_t len);
void ogs_sha224_final(ogs_sha224_ctx *ctx, uint8_t *digest);
void ogs_sha224(const uint8_t *message, uint32_t len, uint8_t *digest);
void ogs_sha256_init(ogs_sha256_ctx * ctx);
void ogs_sha256_update(ogs_sha256_ctx *ctx, const uint8_t *message,
uint32_t len);
void ogs_sha256_final(ogs_sha256_ctx *ctx, uint8_t *digest);
void ogs_sha256(const uint8_t *message, uint32_t len, uint8_t *digest);
void ogs_sha384_init(ogs_sha384_ctx *ctx);
void ogs_sha384_update(ogs_sha384_ctx *ctx, const uint8_t *message,
uint32_t len);
void ogs_sha384_final(ogs_sha384_ctx *ctx, uint8_t *digest);
void ogs_sha384(const uint8_t *message, uint32_t len, uint8_t *digest);
void ogs_sha512_init(ogs_sha512_ctx *ctx);
void ogs_sha512_update(ogs_sha512_ctx *ctx, const uint8_t *message,
uint32_t len);
void ogs_sha512_final(ogs_sha512_ctx *ctx, uint8_t *digest);
void ogs_sha512(const uint8_t *message, uint32_t len, uint8_t *digest);
#ifdef __cplusplus
}
#endif
#endif /* OGS_SHA2_H */
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