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-rw-r--r--crypto/sha3_generic.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c
deleted file mode 100644
index 7e8ed96236ce..000000000000
--- a/crypto/sha3_generic.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Cryptographic API.
- *
- * SHA-3, as specified in
- * http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf
- *
- * SHA-3 code by Jeff Garzik <jeff@garzik.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)•
- * any later version.
- *
- */
-#include <crypto/internal/hash.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <crypto/sha3.h>
-#include <asm/byteorder.h>
-
-#define KECCAK_ROUNDS 24
-
-#define ROTL64(x, y) (((x) << (y)) | ((x) >> (64 - (y))))
-
-static const u64 keccakf_rndc[24] = {
- 0x0000000000000001ULL, 0x0000000000008082ULL, 0x800000000000808aULL,
- 0x8000000080008000ULL, 0x000000000000808bULL, 0x0000000080000001ULL,
- 0x8000000080008081ULL, 0x8000000000008009ULL, 0x000000000000008aULL,
- 0x0000000000000088ULL, 0x0000000080008009ULL, 0x000000008000000aULL,
- 0x000000008000808bULL, 0x800000000000008bULL, 0x8000000000008089ULL,
- 0x8000000000008003ULL, 0x8000000000008002ULL, 0x8000000000000080ULL,
- 0x000000000000800aULL, 0x800000008000000aULL, 0x8000000080008081ULL,
- 0x8000000000008080ULL, 0x0000000080000001ULL, 0x8000000080008008ULL
-};
-
-static const int keccakf_rotc[24] = {
- 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 2, 14,
- 27, 41, 56, 8, 25, 43, 62, 18, 39, 61, 20, 44
-};
-
-static const int keccakf_piln[24] = {
- 10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4,
- 15, 23, 19, 13, 12, 2, 20, 14, 22, 9, 6, 1
-};
-
-/* update the state with given number of rounds */
-
-static void keccakf(u64 st[25])
-{
- int i, j, round;
- u64 t, bc[5];
-
- for (round = 0; round < KECCAK_ROUNDS; round++) {
-
- /* Theta */
- for (i = 0; i < 5; i++)
- bc[i] = st[i] ^ st[i + 5] ^ st[i + 10] ^ st[i + 15]
- ^ st[i + 20];
-
- for (i = 0; i < 5; i++) {
- t = bc[(i + 4) % 5] ^ ROTL64(bc[(i + 1) % 5], 1);
- for (j = 0; j < 25; j += 5)
- st[j + i] ^= t;
- }
-
- /* Rho Pi */
- t = st[1];
- for (i = 0; i < 24; i++) {
- j = keccakf_piln[i];
- bc[0] = st[j];
- st[j] = ROTL64(t, keccakf_rotc[i]);
- t = bc[0];
- }
-
- /* Chi */
- for (j = 0; j < 25; j += 5) {
- for (i = 0; i < 5; i++)
- bc[i] = st[j + i];
- for (i = 0; i < 5; i++)
- st[j + i] ^= (~bc[(i + 1) % 5]) &
- bc[(i + 2) % 5];
- }
-
- /* Iota */
- st[0] ^= keccakf_rndc[round];
- }
-}
-
-static void sha3_init(struct sha3_state *sctx, unsigned int digest_sz)
-{
- memset(sctx, 0, sizeof(*sctx));
- sctx->md_len = digest_sz;
- sctx->rsiz = 200 - 2 * digest_sz;
- sctx->rsizw = sctx->rsiz / 8;
-}
-
-static int sha3_224_init(struct shash_desc *desc)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
-
- sha3_init(sctx, SHA3_224_DIGEST_SIZE);
- return 0;
-}
-
-static int sha3_256_init(struct shash_desc *desc)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
-
- sha3_init(sctx, SHA3_256_DIGEST_SIZE);
- return 0;
-}
-
-static int sha3_384_init(struct shash_desc *desc)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
-
- sha3_init(sctx, SHA3_384_DIGEST_SIZE);
- return 0;
-}
-
-static int sha3_512_init(struct shash_desc *desc)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
-
- sha3_init(sctx, SHA3_512_DIGEST_SIZE);
- return 0;
-}
-
-static int sha3_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
- unsigned int done;
- const u8 *src;
-
- done = 0;
- src = data;
-
- if ((sctx->partial + len) > (sctx->rsiz - 1)) {
- if (sctx->partial) {
- done = -sctx->partial;
- memcpy(sctx->buf + sctx->partial, data,
- done + sctx->rsiz);
- src = sctx->buf;
- }
-
- do {
- unsigned int i;
-
- for (i = 0; i < sctx->rsizw; i++)
- sctx->st[i] ^= ((u64 *) src)[i];
- keccakf(sctx->st);
-
- done += sctx->rsiz;
- src = data + done;
- } while (done + (sctx->rsiz - 1) < len);
-
- sctx->partial = 0;
- }
- memcpy(sctx->buf + sctx->partial, src, len - done);
- sctx->partial += (len - done);
-
- return 0;
-}
-
-static int sha3_final(struct shash_desc *desc, u8 *out)
-{
- struct sha3_state *sctx = shash_desc_ctx(desc);
- unsigned int i, inlen = sctx->partial;
-
- sctx->buf[inlen++] = 0x06;
- memset(sctx->buf + inlen, 0, sctx->rsiz - inlen);
- sctx->buf[sctx->rsiz - 1] |= 0x80;
-
- for (i = 0; i < sctx->rsizw; i++)
- sctx->st[i] ^= ((u64 *) sctx->buf)[i];
-
- keccakf(sctx->st);
-
- for (i = 0; i < sctx->rsizw; i++)
- sctx->st[i] = cpu_to_le64(sctx->st[i]);
-
- memcpy(out, sctx->st, sctx->md_len);
-
- memset(sctx, 0, sizeof(*sctx));
- return 0;
-}
-
-static struct shash_alg sha3_224 = {
- .digestsize = SHA3_224_DIGEST_SIZE,
- .init = sha3_224_init,
- .update = sha3_update,
- .final = sha3_final,
- .descsize = sizeof(struct sha3_state),
- .base = {
- .cra_name = "sha3-224",
- .cra_driver_name = "sha3-224-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
- .cra_blocksize = SHA3_224_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static struct shash_alg sha3_256 = {
- .digestsize = SHA3_256_DIGEST_SIZE,
- .init = sha3_256_init,
- .update = sha3_update,
- .final = sha3_final,
- .descsize = sizeof(struct sha3_state),
- .base = {
- .cra_name = "sha3-256",
- .cra_driver_name = "sha3-256-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
- .cra_blocksize = SHA3_256_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static struct shash_alg sha3_384 = {
- .digestsize = SHA3_384_DIGEST_SIZE,
- .init = sha3_384_init,
- .update = sha3_update,
- .final = sha3_final,
- .descsize = sizeof(struct sha3_state),
- .base = {
- .cra_name = "sha3-384",
- .cra_driver_name = "sha3-384-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
- .cra_blocksize = SHA3_384_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static struct shash_alg sha3_512 = {
- .digestsize = SHA3_512_DIGEST_SIZE,
- .init = sha3_512_init,
- .update = sha3_update,
- .final = sha3_final,
- .descsize = sizeof(struct sha3_state),
- .base = {
- .cra_name = "sha3-512",
- .cra_driver_name = "sha3-512-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
- .cra_blocksize = SHA3_512_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static int __init sha3_generic_mod_init(void)
-{
- int ret;
-
- ret = crypto_register_shash(&sha3_224);
- if (ret < 0)
- goto err_out;
- ret = crypto_register_shash(&sha3_256);
- if (ret < 0)
- goto err_out_224;
- ret = crypto_register_shash(&sha3_384);
- if (ret < 0)
- goto err_out_256;
- ret = crypto_register_shash(&sha3_512);
- if (ret < 0)
- goto err_out_384;
-
- return 0;
-
-err_out_384:
- crypto_unregister_shash(&sha3_384);
-err_out_256:
- crypto_unregister_shash(&sha3_256);
-err_out_224:
- crypto_unregister_shash(&sha3_224);
-err_out:
- return ret;
-}
-
-static void __exit sha3_generic_mod_fini(void)
-{
- crypto_unregister_shash(&sha3_224);
- crypto_unregister_shash(&sha3_256);
- crypto_unregister_shash(&sha3_384);
- crypto_unregister_shash(&sha3_512);
-}
-
-module_init(sha3_generic_mod_init);
-module_exit(sha3_generic_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA-3 Secure Hash Algorithm");
-
-MODULE_ALIAS_CRYPTO("sha3-224");
-MODULE_ALIAS_CRYPTO("sha3-224-generic");
-MODULE_ALIAS_CRYPTO("sha3-256");
-MODULE_ALIAS_CRYPTO("sha3-256-generic");
-MODULE_ALIAS_CRYPTO("sha3-384");
-MODULE_ALIAS_CRYPTO("sha3-384-generic");
-MODULE_ALIAS_CRYPTO("sha3-512");
-MODULE_ALIAS_CRYPTO("sha3-512-generic");
generated by cgit (git 2.34.1) at 2025-12-25 00:10:40 +0000