diff options
Diffstat (limited to 'arch/sparc/crypto')
-rw-r--r-- | arch/sparc/crypto/Kconfig | 10 | ||||
-rw-r--r-- | arch/sparc/crypto/Makefile | 4 | ||||
-rw-r--r-- | arch/sparc/crypto/md5_asm.S | 70 | ||||
-rw-r--r-- | arch/sparc/crypto/md5_glue.c | 174 |
4 files changed, 0 insertions, 258 deletions
diff --git a/arch/sparc/crypto/Kconfig b/arch/sparc/crypto/Kconfig index f5b2e720fec3..f755da979534 100644 --- a/arch/sparc/crypto/Kconfig +++ b/arch/sparc/crypto/Kconfig @@ -16,16 +16,6 @@ config CRYPTO_DES_SPARC64 Architecture: sparc64 -config CRYPTO_MD5_SPARC64 - tristate "Digests: MD5" - depends on SPARC64 - select CRYPTO_MD5 - select CRYPTO_HASH - help - MD5 message digest algorithm (RFC1321) - - Architecture: sparc64 using crypto instructions, when available - config CRYPTO_AES_SPARC64 tristate "Ciphers: AES, modes: ECB, CBC, CTR" depends on SPARC64 diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile index 0d05a17988c4..7b4796842ddd 100644 --- a/arch/sparc/crypto/Makefile +++ b/arch/sparc/crypto/Makefile @@ -3,14 +3,10 @@ # Arch-specific CryptoAPI modules. # -obj-$(CONFIG_CRYPTO_MD5_SPARC64) += md5-sparc64.o - obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o obj-$(CONFIG_CRYPTO_CAMELLIA_SPARC64) += camellia-sparc64.o -md5-sparc64-y := md5_asm.o md5_glue.o - aes-sparc64-y := aes_asm.o aes_glue.o des-sparc64-y := des_asm.o des_glue.o camellia-sparc64-y := camellia_asm.o camellia_glue.o diff --git a/arch/sparc/crypto/md5_asm.S b/arch/sparc/crypto/md5_asm.S deleted file mode 100644 index 60b544e4d205..000000000000 --- a/arch/sparc/crypto/md5_asm.S +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include <linux/linkage.h> -#include <asm/opcodes.h> -#include <asm/visasm.h> - -ENTRY(md5_sparc64_transform) - /* %o0 = digest, %o1 = data, %o2 = rounds */ - VISEntryHalf - ld [%o0 + 0x00], %f0 - ld [%o0 + 0x04], %f1 - andcc %o1, 0x7, %g0 - ld [%o0 + 0x08], %f2 - bne,pn %xcc, 10f - ld [%o0 + 0x0c], %f3 - -1: - ldd [%o1 + 0x00], %f8 - ldd [%o1 + 0x08], %f10 - ldd [%o1 + 0x10], %f12 - ldd [%o1 + 0x18], %f14 - ldd [%o1 + 0x20], %f16 - ldd [%o1 + 0x28], %f18 - ldd [%o1 + 0x30], %f20 - ldd [%o1 + 0x38], %f22 - - MD5 - - subcc %o2, 1, %o2 - bne,pt %xcc, 1b - add %o1, 0x40, %o1 - -5: - st %f0, [%o0 + 0x00] - st %f1, [%o0 + 0x04] - st %f2, [%o0 + 0x08] - st %f3, [%o0 + 0x0c] - retl - VISExitHalf -10: - alignaddr %o1, %g0, %o1 - - ldd [%o1 + 0x00], %f10 -1: - ldd [%o1 + 0x08], %f12 - ldd [%o1 + 0x10], %f14 - ldd [%o1 + 0x18], %f16 - ldd [%o1 + 0x20], %f18 - ldd [%o1 + 0x28], %f20 - ldd [%o1 + 0x30], %f22 - ldd [%o1 + 0x38], %f24 - ldd [%o1 + 0x40], %f26 - - faligndata %f10, %f12, %f8 - faligndata %f12, %f14, %f10 - faligndata %f14, %f16, %f12 - faligndata %f16, %f18, %f14 - faligndata %f18, %f20, %f16 - faligndata %f20, %f22, %f18 - faligndata %f22, %f24, %f20 - faligndata %f24, %f26, %f22 - - MD5 - - subcc %o2, 1, %o2 - fsrc2 %f26, %f10 - bne,pt %xcc, 1b - add %o1, 0x40, %o1 - - ba,a,pt %xcc, 5b -ENDPROC(md5_sparc64_transform) diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c deleted file mode 100644 index b3615f0cdf62..000000000000 --- a/arch/sparc/crypto/md5_glue.c +++ /dev/null @@ -1,174 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* Glue code for MD5 hashing optimized for sparc64 crypto opcodes. - * - * This is based largely upon arch/x86/crypto/sha1_ssse3_glue.c - * and crypto/md5.c which are: - * - * Copyright (c) Alan Smithee. - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) Jean-Francois Dive <jef@linuxbe.org> - * Copyright (c) Mathias Krause <minipli@googlemail.com> - * Copyright (c) Cryptoapi developers. - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <asm/elf.h> -#include <asm/opcodes.h> -#include <asm/pstate.h> -#include <crypto/internal/hash.h> -#include <crypto/md5.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/unaligned.h> - -struct sparc_md5_state { - __le32 hash[MD5_HASH_WORDS]; - u64 byte_count; -}; - -asmlinkage void md5_sparc64_transform(__le32 *digest, const char *data, - unsigned int rounds); - -static int md5_sparc64_init(struct shash_desc *desc) -{ - struct sparc_md5_state *mctx = shash_desc_ctx(desc); - - mctx->hash[0] = cpu_to_le32(MD5_H0); - mctx->hash[1] = cpu_to_le32(MD5_H1); - mctx->hash[2] = cpu_to_le32(MD5_H2); - mctx->hash[3] = cpu_to_le32(MD5_H3); - mctx->byte_count = 0; - - return 0; -} - -static int md5_sparc64_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - struct sparc_md5_state *sctx = shash_desc_ctx(desc); - - sctx->byte_count += round_down(len, MD5_HMAC_BLOCK_SIZE); - md5_sparc64_transform(sctx->hash, data, len / MD5_HMAC_BLOCK_SIZE); - return len - round_down(len, MD5_HMAC_BLOCK_SIZE); -} - -/* Add padding and return the message digest. */ -static int md5_sparc64_finup(struct shash_desc *desc, const u8 *src, - unsigned int offset, u8 *out) -{ - struct sparc_md5_state *sctx = shash_desc_ctx(desc); - __le64 block[MD5_BLOCK_WORDS] = {}; - u8 *p = memcpy(block, src, offset); - __le32 *dst = (__le32 *)out; - __le64 *pbits; - int i; - - src = p; - p += offset; - *p++ = 0x80; - sctx->byte_count += offset; - pbits = &block[(MD5_BLOCK_WORDS / (offset > 55 ? 1 : 2)) - 1]; - *pbits = cpu_to_le64(sctx->byte_count << 3); - md5_sparc64_transform(sctx->hash, src, (pbits - block + 1) / 8); - memzero_explicit(block, sizeof(block)); - - /* Store state in digest */ - for (i = 0; i < MD5_HASH_WORDS; i++) - dst[i] = sctx->hash[i]; - - return 0; -} - -static int md5_sparc64_export(struct shash_desc *desc, void *out) -{ - struct sparc_md5_state *sctx = shash_desc_ctx(desc); - union { - u8 *u8; - u32 *u32; - u64 *u64; - } p = { .u8 = out }; - int i; - - for (i = 0; i < MD5_HASH_WORDS; i++) - put_unaligned(le32_to_cpu(sctx->hash[i]), p.u32++); - put_unaligned(sctx->byte_count, p.u64); - return 0; -} - -static int md5_sparc64_import(struct shash_desc *desc, const void *in) -{ - struct sparc_md5_state *sctx = shash_desc_ctx(desc); - union { - const u8 *u8; - const u32 *u32; - const u64 *u64; - } p = { .u8 = in }; - int i; - - for (i = 0; i < MD5_HASH_WORDS; i++) - sctx->hash[i] = cpu_to_le32(get_unaligned(p.u32++)); - sctx->byte_count = get_unaligned(p.u64); - return 0; -} - -static struct shash_alg alg = { - .digestsize = MD5_DIGEST_SIZE, - .init = md5_sparc64_init, - .update = md5_sparc64_update, - .finup = md5_sparc64_finup, - .export = md5_sparc64_export, - .import = md5_sparc64_import, - .descsize = sizeof(struct sparc_md5_state), - .statesize = sizeof(struct sparc_md5_state), - .base = { - .cra_name = "md5", - .cra_driver_name= "md5-sparc64", - .cra_priority = SPARC_CR_OPCODE_PRIORITY, - .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static bool __init sparc64_has_md5_opcode(void) -{ - unsigned long cfr; - - if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO)) - return false; - - __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); - if (!(cfr & CFR_MD5)) - return false; - - return true; -} - -static int __init md5_sparc64_mod_init(void) -{ - if (sparc64_has_md5_opcode()) { - pr_info("Using sparc64 md5 opcode optimized MD5 implementation\n"); - return crypto_register_shash(&alg); - } - pr_info("sparc64 md5 opcode not available.\n"); - return -ENODEV; -} - -static void __exit md5_sparc64_mod_fini(void) -{ - crypto_unregister_shash(&alg); -} - -module_init(md5_sparc64_mod_init); -module_exit(md5_sparc64_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("MD5 Message Digest Algorithm, sparc64 md5 opcode accelerated"); - -MODULE_ALIAS_CRYPTO("md5"); - -#include "crop_devid.c" |