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Diffstat (limited to 'arch/arm64/crypto/sha512-ce-glue.c')
-rw-r--r--arch/arm64/crypto/sha512-ce-glue.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/arm64/crypto/sha512-ce-glue.c b/arch/arm64/crypto/sha512-ce-glue.c
deleted file mode 100644
index 6fb3001fa2c9..000000000000
--- a/arch/arm64/crypto/sha512-ce-glue.c
+++ /dev/null
@@ -1,96 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * sha512-ce-glue.c - SHA-384/SHA-512 using ARMv8 Crypto Extensions
- *
- * Copyright (C) 2018 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <asm/neon.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha2.h>
-#include <crypto/sha512_base.h>
-#include <linux/cpufeature.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash using ARMv8 Crypto Extensions");
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS_CRYPTO("sha384");
-MODULE_ALIAS_CRYPTO("sha512");
-
-asmlinkage int __sha512_ce_transform(struct sha512_state *sst, u8 const *src,
- int blocks);
-
-static void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
- int blocks)
-{
- do {
- int rem;
-
- kernel_neon_begin();
- rem = __sha512_ce_transform(sst, src, blocks);
- kernel_neon_end();
- src += (blocks - rem) * SHA512_BLOCK_SIZE;
- blocks = rem;
- } while (blocks);
-}
-
-static int sha512_ce_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- return sha512_base_do_update_blocks(desc, data, len,
- sha512_ce_transform);
-}
-
-static int sha512_ce_finup(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out)
-{
- sha512_base_do_finup(desc, data, len, sha512_ce_transform);
- return sha512_base_finish(desc, out);
-}
-
-static struct shash_alg algs[] = { {
- .init = sha384_base_init,
- .update = sha512_ce_update,
- .finup = sha512_ce_finup,
- .descsize = SHA512_STATE_SIZE,
- .digestsize = SHA384_DIGEST_SIZE,
- .base.cra_name = "sha384",
- .base.cra_driver_name = "sha384-ce",
- .base.cra_priority = 200,
- .base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
- CRYPTO_AHASH_ALG_FINUP_MAX,
- .base.cra_blocksize = SHA512_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-}, {
- .init = sha512_base_init,
- .update = sha512_ce_update,
- .finup = sha512_ce_finup,
- .descsize = SHA512_STATE_SIZE,
- .digestsize = SHA512_DIGEST_SIZE,
- .base.cra_name = "sha512",
- .base.cra_driver_name = "sha512-ce",
- .base.cra_priority = 200,
- .base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
- CRYPTO_AHASH_ALG_FINUP_MAX,
- .base.cra_blocksize = SHA512_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-} };
-
-static int __init sha512_ce_mod_init(void)
-{
- return crypto_register_shashes(algs, ARRAY_SIZE(algs));
-}
-
-static void __exit sha512_ce_mod_fini(void)
-{
- crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
-}
-
-module_cpu_feature_match(SHA512, sha512_ce_mod_init);
-module_exit(sha512_ce_mod_fini);