62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <freeswan.h>
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#include "constants.h"
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#include "defs.h"
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#include "log.h"
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#include "libsha2/sha2.h"
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#include "alg_info.h"
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#include "ike_alg.h"
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#define SHA2_256_DIGEST_SIZE (256/BITS_PER_BYTE)
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#define SHA2_512_DIGEST_SIZE (512/BITS_PER_BYTE)
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static void sha256_hash_final(u_char *hash, sha256_context *ctx)
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{
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sha256_final(ctx);
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memcpy(hash, &ctx->sha_out[0], SHA2_256_DIGEST_SIZE);
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}
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static void sha512_hash_final(u_char *hash, sha512_context *ctx)
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{
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sha512_final(ctx);
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memcpy(hash, &ctx->sha_out[0], SHA2_512_DIGEST_SIZE);
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}
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struct hash_desc hash_desc_sha2_256 = {
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algo_type: IKE_ALG_HASH,
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algo_id: OAKLEY_SHA2_256,
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algo_next: NULL,
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hash_ctx_size: sizeof(sha256_context),
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hash_init: (void (*)(void *))sha256_init,
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hash_update: (void (*)(void *, const u_char *, size_t ))sha256_write,
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hash_final:(void (*)(u_char *, void *))sha256_hash_final,
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hash_digest_size: SHA2_256_DIGEST_SIZE,
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};
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struct hash_desc hash_desc_sha2_512 = {
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algo_type: IKE_ALG_HASH,
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algo_id: OAKLEY_SHA2_512,
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algo_next: NULL,
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hash_ctx_size: sizeof(sha512_context),
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hash_init: (void (*)(void *))sha512_init,
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hash_update: (void (*)(void *, const u_char *, size_t ))sha512_write,
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hash_final:(void (*)(u_char *, void *))sha512_hash_final,
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hash_digest_size: SHA2_512_DIGEST_SIZE,
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};
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int ike_alg_sha2_init(void);
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int
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ike_alg_sha2_init(void)
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{
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int ret;
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ret = ike_alg_register_hash(&hash_desc_sha2_256);
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if (ret)
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goto out;
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ret = ike_alg_register_hash(&hash_desc_sha2_512);
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out:
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return ret;
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}
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/*
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IKE_ALG_INIT_NAME: ike_alg_sha2_init
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*/
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