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-rw-r--r--arch/mips/crypto/Kconfig16
-rw-r--r--arch/mips/crypto/Makefile2
-rw-r--r--arch/mips/crypto/chacha-glue.c10
-rw-r--r--arch/mips/crypto/crc32-mips.c350
-rw-r--r--arch/mips/crypto/poly1305-glue.c3
5 files changed, 9 insertions, 372 deletions
diff --git a/arch/mips/crypto/Kconfig b/arch/mips/crypto/Kconfig
index 9003a5c1e879..545fc0e12422 100644
--- a/arch/mips/crypto/Kconfig
+++ b/arch/mips/crypto/Kconfig
@@ -2,19 +2,12 @@
menu "Accelerated Cryptographic Algorithms for CPU (mips)"
-config CRYPTO_CRC32_MIPS
- tristate "CRC32c and CRC32"
- depends on MIPS_CRC_SUPPORT
- select CRYPTO_HASH
- help
- CRC32c and CRC32 CRC algorithms
-
- Architecture: mips
-
config CRYPTO_POLY1305_MIPS
- tristate "Hash functions: Poly1305"
+ tristate
depends on MIPS
+ select CRYPTO_HASH
select CRYPTO_ARCH_HAVE_LIB_POLY1305
+ default CRYPTO_LIB_POLY1305_INTERNAL
help
Poly1305 authenticator algorithm (RFC7539)
@@ -61,10 +54,11 @@ config CRYPTO_SHA512_OCTEON
Architecture: mips OCTEON using crypto instructions, when available
config CRYPTO_CHACHA_MIPS
- tristate "Ciphers: ChaCha20, XChaCha20, XChaCha12 (MIPS32r2)"
+ tristate
depends on CPU_MIPS32_R2
select CRYPTO_SKCIPHER
select CRYPTO_ARCH_HAVE_LIB_CHACHA
+ default CRYPTO_LIB_CHACHA_INTERNAL
help
Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12
stream cipher algorithms
diff --git a/arch/mips/crypto/Makefile b/arch/mips/crypto/Makefile
index 5e4105cccf9f..fddc88281412 100644
--- a/arch/mips/crypto/Makefile
+++ b/arch/mips/crypto/Makefile
@@ -3,8 +3,6 @@
# Makefile for MIPS crypto files..
#
-obj-$(CONFIG_CRYPTO_CRC32_MIPS) += crc32-mips.o
-
obj-$(CONFIG_CRYPTO_CHACHA_MIPS) += chacha-mips.o
chacha-mips-y := chacha-core.o chacha-glue.o
AFLAGS_chacha-core.o += -O2 # needed to fill branch delay slots
diff --git a/arch/mips/crypto/chacha-glue.c b/arch/mips/crypto/chacha-glue.c
index d1fd23e6ef84..f6fc2e1079a1 100644
--- a/arch/mips/crypto/chacha-glue.c
+++ b/arch/mips/crypto/chacha-glue.c
@@ -20,12 +20,6 @@ EXPORT_SYMBOL(chacha_crypt_arch);
asmlinkage void hchacha_block_arch(const u32 *state, u32 *stream, int nrounds);
EXPORT_SYMBOL(hchacha_block_arch);
-void chacha_init_arch(u32 *state, const u32 *key, const u8 *iv)
-{
- chacha_init_generic(state, key, iv);
-}
-EXPORT_SYMBOL(chacha_init_arch);
-
static int chacha_mips_stream_xor(struct skcipher_request *req,
const struct chacha_ctx *ctx, const u8 *iv)
{
@@ -35,7 +29,7 @@ static int chacha_mips_stream_xor(struct skcipher_request *req,
err = skcipher_walk_virt(&walk, req, false);
- chacha_init_generic(state, ctx->key, iv);
+ chacha_init(state, ctx->key, iv);
while (walk.nbytes > 0) {
unsigned int nbytes = walk.nbytes;
@@ -67,7 +61,7 @@ static int xchacha_mips(struct skcipher_request *req)
u32 state[16];
u8 real_iv[16];
- chacha_init_generic(state, ctx->key, req->iv);
+ chacha_init(state, ctx->key, req->iv);
hchacha_block(state, subctx.key, ctx->nrounds);
subctx.nrounds = ctx->nrounds;
diff --git a/arch/mips/crypto/crc32-mips.c b/arch/mips/crypto/crc32-mips.c
deleted file mode 100644
index ec6d58008f8e..000000000000
--- a/arch/mips/crypto/crc32-mips.c
+++ /dev/null
@@ -1,350 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * crc32-mips.c - CRC32 and CRC32C using optional MIPSr6 instructions
- *
- * Module based on arm64/crypto/crc32-arm.c
- *
- * Copyright (C) 2014 Linaro Ltd <yazen.ghannam@linaro.org>
- * Copyright (C) 2018 MIPS Tech, LLC
- */
-
-#include <linux/cpufeature.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <asm/mipsregs.h>
-#include <asm/unaligned.h>
-
-#include <crypto/internal/hash.h>
-
-enum crc_op_size {
- b, h, w, d,
-};
-
-enum crc_type {
- crc32,
- crc32c,
-};
-
-#ifndef TOOLCHAIN_SUPPORTS_CRC
-#define _ASM_SET_CRC(OP, SZ, TYPE) \
-_ASM_MACRO_3R(OP, rt, rs, rt2, \
- ".ifnc \\rt, \\rt2\n\t" \
- ".error \"invalid operands \\\"" #OP " \\rt,\\rs,\\rt2\\\"\"\n\t" \
- ".endif\n\t" \
- _ASM_INSN_IF_MIPS(0x7c00000f | (__rt << 16) | (__rs << 21) | \
- ((SZ) << 6) | ((TYPE) << 8)) \
- _ASM_INSN32_IF_MM(0x00000030 | (__rs << 16) | (__rt << 21) | \
- ((SZ) << 14) | ((TYPE) << 3)))
-#define _ASM_UNSET_CRC(op, SZ, TYPE) ".purgem " #op "\n\t"
-#else /* !TOOLCHAIN_SUPPORTS_CRC */
-#define _ASM_SET_CRC(op, SZ, TYPE) ".set\tcrc\n\t"
-#define _ASM_UNSET_CRC(op, SZ, TYPE)
-#endif
-
-#define __CRC32(crc, value, op, SZ, TYPE) \
-do { \
- __asm__ __volatile__( \
- ".set push\n\t" \
- _ASM_SET_CRC(op, SZ, TYPE) \
- #op " %0, %1, %0\n\t" \
- _ASM_UNSET_CRC(op, SZ, TYPE) \
- ".set pop" \
- : "+r" (crc) \
- : "r" (value)); \
-} while (0)
-
-#define _CRC32_crc32b(crc, value) __CRC32(crc, value, crc32b, 0, 0)
-#define _CRC32_crc32h(crc, value) __CRC32(crc, value, crc32h, 1, 0)
-#define _CRC32_crc32w(crc, value) __CRC32(crc, value, crc32w, 2, 0)
-#define _CRC32_crc32d(crc, value) __CRC32(crc, value, crc32d, 3, 0)
-#define _CRC32_crc32cb(crc, value) __CRC32(crc, value, crc32cb, 0, 1)
-#define _CRC32_crc32ch(crc, value) __CRC32(crc, value, crc32ch, 1, 1)
-#define _CRC32_crc32cw(crc, value) __CRC32(crc, value, crc32cw, 2, 1)
-#define _CRC32_crc32cd(crc, value) __CRC32(crc, value, crc32cd, 3, 1)
-
-#define _CRC32(crc, value, size, op) \
- _CRC32_##op##size(crc, value)
-
-#define CRC32(crc, value, size) \
- _CRC32(crc, value, size, crc32)
-
-#define CRC32C(crc, value, size) \
- _CRC32(crc, value, size, crc32c)
-
-static u32 crc32_mips_le_hw(u32 crc_, const u8 *p, unsigned int len)
-{
- u32 crc = crc_;
-
-#ifdef CONFIG_64BIT
- while (len >= sizeof(u64)) {
- u64 value = get_unaligned_le64(p);
-
- CRC32(crc, value, d);
- p += sizeof(u64);
- len -= sizeof(u64);
- }
-
- if (len & sizeof(u32)) {
-#else /* !CONFIG_64BIT */
- while (len >= sizeof(u32)) {
-#endif
- u32 value = get_unaligned_le32(p);
-
- CRC32(crc, value, w);
- p += sizeof(u32);
- len -= sizeof(u32);
- }
-
- if (len & sizeof(u16)) {
- u16 value = get_unaligned_le16(p);
-
- CRC32(crc, value, h);
- p += sizeof(u16);
- }
-
- if (len & sizeof(u8)) {
- u8 value = *p++;
-
- CRC32(crc, value, b);
- }
-
- return crc;
-}
-
-static u32 crc32c_mips_le_hw(u32 crc_, const u8 *p, unsigned int len)
-{
- u32 crc = crc_;
-
-#ifdef CONFIG_64BIT
- while (len >= sizeof(u64)) {
- u64 value = get_unaligned_le64(p);
-
- CRC32C(crc, value, d);
- p += sizeof(u64);
- len -= sizeof(u64);
- }
-
- if (len & sizeof(u32)) {
-#else /* !CONFIG_64BIT */
- while (len >= sizeof(u32)) {
-#endif
- u32 value = get_unaligned_le32(p);
-
- CRC32C(crc, value, w);
- p += sizeof(u32);
- len -= sizeof(u32);
- }
-
- if (len & sizeof(u16)) {
- u16 value = get_unaligned_le16(p);
-
- CRC32C(crc, value, h);
- p += sizeof(u16);
- }
-
- if (len & sizeof(u8)) {
- u8 value = *p++;
-
- CRC32C(crc, value, b);
- }
- return crc;
-}
-
-#define CHKSUM_BLOCK_SIZE 1
-#define CHKSUM_DIGEST_SIZE 4
-
-struct chksum_ctx {
- u32 key;
-};
-
-struct chksum_desc_ctx {
- u32 crc;
-};
-
-static int chksum_init(struct shash_desc *desc)
-{
- struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm);
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- ctx->crc = mctx->key;
-
- return 0;
-}
-
-/*
- * Setting the seed allows arbitrary accumulators and flexible XOR policy
- * If your algorithm starts with ~0, then XOR with ~0 before you set
- * the seed.
- */
-static int chksum_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen)
-{
- struct chksum_ctx *mctx = crypto_shash_ctx(tfm);
-
- if (keylen != sizeof(mctx->key))
- return -EINVAL;
- mctx->key = get_unaligned_le32(key);
- return 0;
-}
-
-static int chksum_update(struct shash_desc *desc, const u8 *data,
- unsigned int length)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- ctx->crc = crc32_mips_le_hw(ctx->crc, data, length);
- return 0;
-}
-
-static int chksumc_update(struct shash_desc *desc, const u8 *data,
- unsigned int length)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- ctx->crc = crc32c_mips_le_hw(ctx->crc, data, length);
- return 0;
-}
-
-static int chksum_final(struct shash_desc *desc, u8 *out)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- put_unaligned_le32(ctx->crc, out);
- return 0;
-}
-
-static int chksumc_final(struct shash_desc *desc, u8 *out)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- put_unaligned_le32(~ctx->crc, out);
- return 0;
-}
-
-static int __chksum_finup(u32 crc, const u8 *data, unsigned int len, u8 *out)
-{
- put_unaligned_le32(crc32_mips_le_hw(crc, data, len), out);
- return 0;
-}
-
-static int __chksumc_finup(u32 crc, const u8 *data, unsigned int len, u8 *out)
-{
- put_unaligned_le32(~crc32c_mips_le_hw(crc, data, len), out);
- return 0;
-}
-
-static int chksum_finup(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- return __chksum_finup(ctx->crc, data, len, out);
-}
-
-static int chksumc_finup(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out)
-{
- struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
- return __chksumc_finup(ctx->crc, data, len, out);
-}
-
-static int chksum_digest(struct shash_desc *desc, const u8 *data,
- unsigned int length, u8 *out)
-{
- struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm);
-
- return __chksum_finup(mctx->key, data, length, out);
-}
-
-static int chksumc_digest(struct shash_desc *desc, const u8 *data,
- unsigned int length, u8 *out)
-{
- struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm);
-
- return __chksumc_finup(mctx->key, data, length, out);
-}
-
-static int chksum_cra_init(struct crypto_tfm *tfm)
-{
- struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
-
- mctx->key = ~0;
- return 0;
-}
-
-static struct shash_alg crc32_alg = {
- .digestsize = CHKSUM_DIGEST_SIZE,
- .setkey = chksum_setkey,
- .init = chksum_init,
- .update = chksum_update,
- .final = chksum_final,
- .finup = chksum_finup,
- .digest = chksum_digest,
- .descsize = sizeof(struct chksum_desc_ctx),
- .base = {
- .cra_name = "crc32",
- .cra_driver_name = "crc32-mips-hw",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .cra_blocksize = CHKSUM_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct chksum_ctx),
- .cra_module = THIS_MODULE,
- .cra_init = chksum_cra_init,
- }
-};
-
-static struct shash_alg crc32c_alg = {
- .digestsize = CHKSUM_DIGEST_SIZE,
- .setkey = chksum_setkey,
- .init = chksum_init,
- .update = chksumc_update,
- .final = chksumc_final,
- .finup = chksumc_finup,
- .digest = chksumc_digest,
- .descsize = sizeof(struct chksum_desc_ctx),
- .base = {
- .cra_name = "crc32c",
- .cra_driver_name = "crc32c-mips-hw",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .cra_blocksize = CHKSUM_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct chksum_ctx),
- .cra_module = THIS_MODULE,
- .cra_init = chksum_cra_init,
- }
-};
-
-static int __init crc32_mod_init(void)
-{
- int err;
-
- err = crypto_register_shash(&crc32_alg);
-
- if (err)
- return err;
-
- err = crypto_register_shash(&crc32c_alg);
-
- if (err) {
- crypto_unregister_shash(&crc32_alg);
- return err;
- }
-
- return 0;
-}
-
-static void __exit crc32_mod_exit(void)
-{
- crypto_unregister_shash(&crc32_alg);
- crypto_unregister_shash(&crc32c_alg);
-}
-
-MODULE_AUTHOR("Marcin Nowakowski <marcin.nowakowski@mips.com");
-MODULE_DESCRIPTION("CRC32 and CRC32C using optional MIPS instructions");
-MODULE_LICENSE("GPL v2");
-
-module_cpu_feature_match(MIPS_CRC32, crc32_mod_init);
-module_exit(crc32_mod_exit);
diff --git a/arch/mips/crypto/poly1305-glue.c b/arch/mips/crypto/poly1305-glue.c
index bc6110fb98e0..c03ad0bbe69c 100644
--- a/arch/mips/crypto/poly1305-glue.c
+++ b/arch/mips/crypto/poly1305-glue.c
@@ -5,7 +5,7 @@
* Copyright (C) 2019 Linaro Ltd. <ard.biesheuvel@linaro.org>
*/
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <crypto/algapi.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/poly1305.h>
@@ -186,6 +186,7 @@ static void __exit mips_poly1305_mod_exit(void)
module_init(mips_poly1305_mod_init);
module_exit(mips_poly1305_mod_exit);
+MODULE_DESCRIPTION("Poly1305 transform (MIPS accelerated");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("poly1305");
MODULE_ALIAS_CRYPTO("poly1305-mips");