CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH=0x33f
CONFIG_CRYPTO_PCBC=y
CONFIG_CRYPTO_MD5=y
-CONFIG_CRYPTO_SHA1_PPC=y
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_HW is not set
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_MD5_PPC=m
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_SHA1_PPC=m
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_MD5_PPC=m
-CONFIG_CRYPTO_SHA1_PPC=m
CONFIG_CRYPTO_AES_GCM_P10=m
CONFIG_CRYPTO_DEV_NX=y
CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
Architecture: powerpc
-config CRYPTO_SHA1_PPC
- tristate "Hash functions: SHA-1"
- help
- SHA-1 secure hash algorithm (FIPS 180)
-
- Architecture: powerpc
-
-config CRYPTO_SHA1_PPC_SPE
- tristate "Hash functions: SHA-1 (SPE)"
- depends on SPE
- help
- SHA-1 secure hash algorithm (FIPS 180)
-
- Architecture: powerpc using
- - SPE (Signal Processing Engine) extensions
-
config CRYPTO_AES_PPC_SPE
tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)"
depends on SPE
obj-$(CONFIG_CRYPTO_AES_PPC_SPE) += aes-ppc-spe.o
obj-$(CONFIG_CRYPTO_MD5_PPC) += md5-ppc.o
-obj-$(CONFIG_CRYPTO_SHA1_PPC) += sha1-powerpc.o
-obj-$(CONFIG_CRYPTO_SHA1_PPC_SPE) += sha1-ppc-spe.o
obj-$(CONFIG_CRYPTO_AES_GCM_P10) += aes-gcm-p10-crypto.o
obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
obj-$(CONFIG_CRYPTO_CURVE25519_PPC64) += curve25519-ppc64le.o
aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes-spe-glue.o
md5-ppc-y := md5-asm.o md5-glue.o
-sha1-powerpc-y := sha1-powerpc-asm.o sha1.o
-sha1-ppc-spe-y := sha1-spe-asm.o sha1-spe-glue.o
aes-gcm-p10-crypto-y := aes-gcm-p10-glue.o aes-gcm-p10.o ghashp10-ppc.o aesp10-ppc.o
vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o
curve25519-ppc64le-y := curve25519-ppc64le-core.o curve25519-ppc64le_asm.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Glue code for SHA-1 implementation for SPE instructions (PPC)
- *
- * Based on generic implementation.
- *
- * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
- */
-
-#include <asm/switch_to.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha1.h>
-#include <crypto/sha1_base.h>
-#include <linux/kernel.h>
-#include <linux/preempt.h>
-#include <linux/module.h>
-
-/*
- * MAX_BYTES defines the number of bytes that are allowed to be processed
- * between preempt_disable() and preempt_enable(). SHA1 takes ~1000
- * operations per 64 bytes. e500 cores can issue two arithmetic instructions
- * per clock cycle using one 32/64 bit unit (SU1) and one 32 bit unit (SU2).
- * Thus 2KB of input data will need an estimated maximum of 18,000 cycles.
- * Headroom for cache misses included. Even with the low end model clocked
- * at 667 MHz this equals to a critical time window of less than 27us.
- *
- */
-#define MAX_BYTES 2048
-
-asmlinkage void ppc_spe_sha1_transform(u32 *state, const u8 *src, u32 blocks);
-
-static void spe_begin(void)
-{
- /* We just start SPE operations and will save SPE registers later. */
- preempt_disable();
- enable_kernel_spe();
-}
-
-static void spe_end(void)
-{
- disable_kernel_spe();
- /* reenable preemption */
- preempt_enable();
-}
-
-static void ppc_spe_sha1_block(struct sha1_state *sctx, const u8 *src,
- int blocks)
-{
- do {
- int unit = min(blocks, MAX_BYTES / SHA1_BLOCK_SIZE);
-
- spe_begin();
- ppc_spe_sha1_transform(sctx->state, src, unit);
- spe_end();
-
- src += unit * SHA1_BLOCK_SIZE;
- blocks -= unit;
- } while (blocks);
-}
-
-static int ppc_spe_sha1_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- return sha1_base_do_update_blocks(desc, data, len, ppc_spe_sha1_block);
-}
-
-static int ppc_spe_sha1_finup(struct shash_desc *desc, const u8 *src,
- unsigned int len, u8 *out)
-{
- sha1_base_do_finup(desc, src, len, ppc_spe_sha1_block);
- return sha1_base_finish(desc, out);
-}
-
-static struct shash_alg alg = {
- .digestsize = SHA1_DIGEST_SIZE,
- .init = sha1_base_init,
- .update = ppc_spe_sha1_update,
- .finup = ppc_spe_sha1_finup,
- .descsize = SHA1_STATE_SIZE,
- .base = {
- .cra_name = "sha1",
- .cra_driver_name= "sha1-ppc-spe",
- .cra_priority = 300,
- .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static int __init ppc_spe_sha1_mod_init(void)
-{
- return crypto_register_shash(&alg);
-}
-
-static void __exit ppc_spe_sha1_mod_fini(void)
-{
- crypto_unregister_shash(&alg);
-}
-
-module_init(ppc_spe_sha1_mod_init);
-module_exit(ppc_spe_sha1_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, SPE optimized");
-
-MODULE_ALIAS_CRYPTO("sha1");
-MODULE_ALIAS_CRYPTO("sha1-ppc-spe");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Cryptographic API.
- *
- * powerpc implementation of the SHA1 Secure Hash Algorithm.
- *
- * Derived from cryptoapi implementation, adapted for in-place
- * scatterlist interface.
- *
- * Derived from "crypto/sha1.c"
- * Copyright (c) Alan Smithee.
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
- */
-#include <crypto/internal/hash.h>
-#include <crypto/sha1.h>
-#include <crypto/sha1_base.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-asmlinkage void powerpc_sha_transform(u32 *state, const u8 *src);
-
-static void powerpc_sha_block(struct sha1_state *sctx, const u8 *data,
- int blocks)
-{
- do {
- powerpc_sha_transform(sctx->state, data);
- data += 64;
- } while (--blocks);
-}
-
-static int powerpc_sha1_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- return sha1_base_do_update_blocks(desc, data, len, powerpc_sha_block);
-}
-
-/* Add padding and return the message digest. */
-static int powerpc_sha1_finup(struct shash_desc *desc, const u8 *src,
- unsigned int len, u8 *out)
-{
- sha1_base_do_finup(desc, src, len, powerpc_sha_block);
- return sha1_base_finish(desc, out);
-}
-
-static struct shash_alg alg = {
- .digestsize = SHA1_DIGEST_SIZE,
- .init = sha1_base_init,
- .update = powerpc_sha1_update,
- .finup = powerpc_sha1_finup,
- .descsize = SHA1_STATE_SIZE,
- .base = {
- .cra_name = "sha1",
- .cra_driver_name= "sha1-powerpc",
- .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-static int __init sha1_powerpc_mod_init(void)
-{
- return crypto_register_shash(&alg);
-}
-
-static void __exit sha1_powerpc_mod_fini(void)
-{
- crypto_unregister_shash(&alg);
-}
-
-module_init(sha1_powerpc_mod_init);
-module_exit(sha1_powerpc_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
-
-MODULE_ALIAS_CRYPTO("sha1");
-MODULE_ALIAS_CRYPTO("sha1-powerpc");
default y if ARM
default y if ARM64 && KERNEL_MODE_NEON
default y if MIPS && CPU_CAVIUM_OCTEON
+ default y if PPC
config CRYPTO_LIB_SHA256
tristate
arm/sha1-ce-core.o
endif
libsha1-$(CONFIG_ARM64) += arm64/sha1-ce-core.o
+ifeq ($(CONFIG_PPC),y)
+libsha1-y += powerpc/sha1-powerpc-asm.o
+libsha1-$(CONFIG_SPE) += powerpc/sha1-spe-asm.o
+endif
endif # CONFIG_CRYPTO_LIB_SHA1_ARCH
################################################################################
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * SHA-1 optimized for PowerPC
+ *
+ * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
+ */
+
+#include <asm/switch_to.h>
+#include <linux/preempt.h>
+
+#ifdef CONFIG_SPE
+/*
+ * MAX_BYTES defines the number of bytes that are allowed to be processed
+ * between preempt_disable() and preempt_enable(). SHA1 takes ~1000
+ * operations per 64 bytes. e500 cores can issue two arithmetic instructions
+ * per clock cycle using one 32/64 bit unit (SU1) and one 32 bit unit (SU2).
+ * Thus 2KB of input data will need an estimated maximum of 18,000 cycles.
+ * Headroom for cache misses included. Even with the low end model clocked
+ * at 667 MHz this equals to a critical time window of less than 27us.
+ *
+ */
+#define MAX_BYTES 2048
+
+asmlinkage void ppc_spe_sha1_transform(struct sha1_block_state *state,
+ const u8 *data, u32 nblocks);
+
+static void spe_begin(void)
+{
+ /* We just start SPE operations and will save SPE registers later. */
+ preempt_disable();
+ enable_kernel_spe();
+}
+
+static void spe_end(void)
+{
+ disable_kernel_spe();
+ /* reenable preemption */
+ preempt_enable();
+}
+
+static void sha1_blocks(struct sha1_block_state *state,
+ const u8 *data, size_t nblocks)
+{
+ do {
+ u32 unit = min_t(size_t, nblocks, MAX_BYTES / SHA1_BLOCK_SIZE);
+
+ spe_begin();
+ ppc_spe_sha1_transform(state, data, unit);
+ spe_end();
+
+ data += unit * SHA1_BLOCK_SIZE;
+ nblocks -= unit;
+ } while (nblocks);
+}
+#else /* CONFIG_SPE */
+asmlinkage void powerpc_sha_transform(struct sha1_block_state *state,
+ const u8 data[SHA1_BLOCK_SIZE]);
+
+static void sha1_blocks(struct sha1_block_state *state,
+ const u8 *data, size_t nblocks)
+{
+ do {
+ powerpc_sha_transform(state, data);
+ data += SHA1_BLOCK_SIZE;
+ } while (--nblocks);
+}
+#endif /* !CONFIG_SPE */
projects / thirdparty / linux.git / commitdiff
