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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-04-18 10:59:22 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-04-23 11:33:47 +0800 |
| commit | d52ad050430a18bac6e2137f3de602538ec5616a (patch) | |
| tree | b4fa5b91e295c0b83ea75947a347c084e60945ac | |
| parent | crypto: sha1-generic - Use API partial block handling (diff) | |
| download | linux-d52ad050430a18bac6e2137f3de602538ec5616a.tar.gz linux-d52ad050430a18bac6e2137f3de602538ec5616a.zip | |
crypto: arm/sha1-ce - Use API partial block handling
Use the Crypto API partial block handling.
Also remove the unnecessary SIMD fallback path.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | arch/arm/crypto/sha1-ce-glue.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/arm/crypto/sha1-ce-glue.c b/arch/arm/crypto/sha1-ce-glue.c index de9100c67b37..fac07a4799de 100644 --- a/arch/arm/crypto/sha1-ce-glue.c +++ b/arch/arm/crypto/sha1-ce-glue.c @@ -5,20 +5,14 @@ * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org> */ +#include <asm/neon.h> #include <crypto/internal/hash.h> -#include <crypto/internal/simd.h> #include <crypto/sha1.h> #include <crypto/sha1_base.h> #include <linux/cpufeature.h> -#include <linux/crypto.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <asm/hwcap.h> -#include <asm/neon.h> -#include <asm/simd.h> - -#include "sha1.h" - MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions"); MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); MODULE_LICENSE("GPL v2"); @@ -29,50 +23,36 @@ asmlinkage void sha1_ce_transform(struct sha1_state *sst, u8 const *src, static int sha1_ce_update(struct shash_desc *desc, const u8 *data, unsigned int len) { - struct sha1_state *sctx = shash_desc_ctx(desc); - - if (!crypto_simd_usable() || - (sctx->count % SHA1_BLOCK_SIZE) + len < SHA1_BLOCK_SIZE) - return sha1_update_arm(desc, data, len); + int remain; kernel_neon_begin(); - sha1_base_do_update(desc, data, len, sha1_ce_transform); + remain = sha1_base_do_update_blocks(desc, data, len, sha1_ce_transform); kernel_neon_end(); - return 0; + return remain; } static int sha1_ce_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { - if (!crypto_simd_usable()) - return sha1_finup_arm(desc, data, len, out); - kernel_neon_begin(); - if (len) - sha1_base_do_update(desc, data, len, sha1_ce_transform); - sha1_base_do_finalize(desc, sha1_ce_transform); + sha1_base_do_finup(desc, data, len, sha1_ce_transform); kernel_neon_end(); return sha1_base_finish(desc, out); } -static int sha1_ce_final(struct shash_desc *desc, u8 *out) -{ - return sha1_ce_finup(desc, NULL, 0, out); -} - static struct shash_alg alg = { .init = sha1_base_init, .update = sha1_ce_update, - .final = sha1_ce_final, .finup = sha1_ce_finup, - .descsize = sizeof(struct sha1_state), + .descsize = SHA1_STATE_SIZE, .digestsize = SHA1_DIGEST_SIZE, .base = { .cra_name = "sha1", .cra_driver_name = "sha1-ce", .cra_priority = 200, + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = SHA1_BLOCK_SIZE, .cra_module = THIS_MODULE, } |