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-rw-r--r--arch/arm/crypto/Makefile4
-rw-r--r--arch/arm/crypto/blake2s-core.S8
-rw-r--r--arch/arm/crypto/blake2s-glue.c73
-rw-r--r--arch/arm/crypto/blake2s-shash.c75
4 files changed, 83 insertions, 77 deletions
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index eafa898ba6a7..0274f81cc8ea 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o
obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o
obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o
obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o
+obj-$(if $(CONFIG_CRYPTO_BLAKE2S_ARM),y) += libblake2s-arm.o
obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o
obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
obj-$(CONFIG_CRYPTO_POLY1305_ARM) += poly1305-arm.o
@@ -31,7 +32,8 @@ sha256-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha256_neon_glue.o
sha256-arm-y := sha256-core.o sha256_glue.o $(sha256-arm-neon-y)
sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o
sha512-arm-y := sha512-core.o sha512-glue.o $(sha512-arm-neon-y)
-blake2s-arm-y := blake2s-core.o blake2s-glue.o
+blake2s-arm-y := blake2s-shash.o
+libblake2s-arm-y:= blake2s-core.o blake2s-glue.o
blake2b-neon-y := blake2b-neon-core.o blake2b-neon-glue.o
sha1-arm-ce-y := sha1-ce-core.o sha1-ce-glue.o
sha2-arm-ce-y := sha2-ce-core.o sha2-ce-glue.o
diff --git a/arch/arm/crypto/blake2s-core.S b/arch/arm/crypto/blake2s-core.S
index 86345751bbf3..df40e46601f1 100644
--- a/arch/arm/crypto/blake2s-core.S
+++ b/arch/arm/crypto/blake2s-core.S
@@ -167,8 +167,8 @@
.endm
//
-// void blake2s_compress_arch(struct blake2s_state *state,
-// const u8 *block, size_t nblocks, u32 inc);
+// void blake2s_compress(struct blake2s_state *state,
+// const u8 *block, size_t nblocks, u32 inc);
//
// Only the first three fields of struct blake2s_state are used:
// u32 h[8]; (inout)
@@ -176,7 +176,7 @@
// u32 f[2]; (in)
//
.align 5
-ENTRY(blake2s_compress_arch)
+ENTRY(blake2s_compress)
push {r0-r2,r4-r11,lr} // keep this an even number
.Lnext_block:
@@ -303,4 +303,4 @@ ENTRY(blake2s_compress_arch)
str r3, [r12], #4
bne 1b
b .Lcopy_block_done
-ENDPROC(blake2s_compress_arch)
+ENDPROC(blake2s_compress)
diff --git a/arch/arm/crypto/blake2s-glue.c b/arch/arm/crypto/blake2s-glue.c
index f2cc1e5fc9ec..0238a70d9581 100644
--- a/arch/arm/crypto/blake2s-glue.c
+++ b/arch/arm/crypto/blake2s-glue.c
@@ -1,78 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * BLAKE2s digest algorithm, ARM scalar implementation
- *
- * Copyright 2020 Google LLC
- */
#include <crypto/internal/blake2s.h>
-#include <crypto/internal/hash.h>
-
#include <linux/module.h>
/* defined in blake2s-core.S */
-EXPORT_SYMBOL(blake2s_compress_arch);
-
-static int crypto_blake2s_update_arm(struct shash_desc *desc,
- const u8 *in, unsigned int inlen)
-{
- return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
-}
-
-static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
-{
- return crypto_blake2s_final(desc, out, blake2s_compress_arch);
-}
-
-#define BLAKE2S_ALG(name, driver_name, digest_size) \
- { \
- .base.cra_name = name, \
- .base.cra_driver_name = driver_name, \
- .base.cra_priority = 200, \
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
- .base.cra_module = THIS_MODULE, \
- .digestsize = digest_size, \
- .setkey = crypto_blake2s_setkey, \
- .init = crypto_blake2s_init, \
- .update = crypto_blake2s_update_arm, \
- .final = crypto_blake2s_final_arm, \
- .descsize = sizeof(struct blake2s_state), \
- }
-
-static struct shash_alg blake2s_arm_algs[] = {
- BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
- BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
- BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
- BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
-};
-
-static int __init blake2s_arm_mod_init(void)
-{
- return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
- crypto_register_shashes(blake2s_arm_algs,
- ARRAY_SIZE(blake2s_arm_algs)) : 0;
-}
-
-static void __exit blake2s_arm_mod_exit(void)
-{
- if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
- crypto_unregister_shashes(blake2s_arm_algs,
- ARRAY_SIZE(blake2s_arm_algs));
-}
-
-module_init(blake2s_arm_mod_init);
-module_exit(blake2s_arm_mod_exit);
-
-MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
-MODULE_ALIAS_CRYPTO("blake2s-128");
-MODULE_ALIAS_CRYPTO("blake2s-128-arm");
-MODULE_ALIAS_CRYPTO("blake2s-160");
-MODULE_ALIAS_CRYPTO("blake2s-160-arm");
-MODULE_ALIAS_CRYPTO("blake2s-224");
-MODULE_ALIAS_CRYPTO("blake2s-224-arm");
-MODULE_ALIAS_CRYPTO("blake2s-256");
-MODULE_ALIAS_CRYPTO("blake2s-256-arm");
+EXPORT_SYMBOL(blake2s_compress);
diff --git a/arch/arm/crypto/blake2s-shash.c b/arch/arm/crypto/blake2s-shash.c
new file mode 100644
index 000000000000..17c1c3bfe2f5
--- /dev/null
+++ b/arch/arm/crypto/blake2s-shash.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/module.h>
+
+static int crypto_blake2s_update_arm(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
+{
+ return crypto_blake2s_update(desc, in, inlen, blake2s_compress);
+}
+
+static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
+{
+ return crypto_blake2s_final(desc, out, blake2s_compress);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 200, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2s_setkey, \
+ .init = crypto_blake2s_init, \
+ .update = crypto_blake2s_update_arm, \
+ .final = crypto_blake2s_final_arm, \
+ .descsize = sizeof(struct blake2s_state), \
+ }
+
+static struct shash_alg blake2s_arm_algs[] = {
+ BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_arm_mod_init(void)
+{
+ return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
+ crypto_register_shashes(blake2s_arm_algs,
+ ARRAY_SIZE(blake2s_arm_algs)) : 0;
+}
+
+static void __exit blake2s_arm_mod_exit(void)
+{
+ if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
+ crypto_unregister_shashes(blake2s_arm_algs,
+ ARRAY_SIZE(blake2s_arm_algs));
+}
+
+module_init(blake2s_arm_mod_init);
+module_exit(blake2s_arm_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-arm");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-arm");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-arm");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-arm");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.