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-rw-r--r--include/crypto/algapi.h3
-rw-r--r--include/crypto/gf128mul.h47
-rw-r--r--include/crypto/internal/hash.h8
-rw-r--r--include/crypto/speck.h62
4 files changed, 98 insertions, 22 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index c9fe145f7dd3..04661e1fb625 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -202,6 +202,9 @@ int blkcipher_aead_walk_virt_block(struct blkcipher_desc *desc,
struct blkcipher_walk *walk,
struct crypto_aead *tfm,
unsigned int blocksize);
+int blkcipher_ablkcipher_walk_virt(struct blkcipher_desc *desc,
+ struct blkcipher_walk *walk,
+ struct crypto_ablkcipher *tfm);
int ablkcipher_walk_done(struct ablkcipher_request *req,
struct ablkcipher_walk *walk, int err);
diff --git a/include/crypto/gf128mul.h b/include/crypto/gf128mul.h
index da2530e34b26..230760aef93b 100644
--- a/include/crypto/gf128mul.h
+++ b/include/crypto/gf128mul.h
@@ -43,7 +43,7 @@
---------------------------------------------------------------------------
Issue Date: 31/01/2006
- An implementation of field multiplication in Galois Field GF(128)
+ An implementation of field multiplication in Galois Field GF(2^128)
*/
#ifndef _CRYPTO_GF128MUL_H
@@ -65,7 +65,7 @@
* are left and the lsb's are right. char b[16] is an array and b[0] is
* the first octet.
*
- * 80000000 00000000 00000000 00000000 .... 00000000 00000000 00000000
+ * 10000000 00000000 00000000 00000000 .... 00000000 00000000 00000000
* b[0] b[1] b[2] b[3] b[13] b[14] b[15]
*
* Every bit is a coefficient of some power of X. We can store the bits
@@ -99,21 +99,21 @@
*
* bbe on a little endian machine u32 x[4]:
*
- * MS x[0] LS MS x[1] LS
+ * MS x[0] LS MS x[1] LS
* ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
* 103..96 111.104 119.112 127.120 71...64 79...72 87...80 95...88
*
- * MS x[2] LS MS x[3] LS
+ * MS x[2] LS MS x[3] LS
* ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
* 39...32 47...40 55...48 63...56 07...00 15...08 23...16 31...24
*
* ble on a little endian machine
*
- * MS x[0] LS MS x[1] LS
+ * MS x[0] LS MS x[1] LS
* ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
* 31...24 23...16 15...08 07...00 63...56 55...48 47...40 39...32
*
- * MS x[2] LS MS x[3] LS
+ * MS x[2] LS MS x[3] LS
* ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
* 95...88 87...80 79...72 71...64 127.120 199.112 111.104 103..96
*
@@ -127,7 +127,7 @@
* machines this will automatically aligned to wordsize and on a 64-bit
* machine also.
*/
-/* Multiply a GF128 field element by x. Field elements are held in arrays
+/* Multiply a GF128 field element by x. Field elements are held in arrays
of bytes in which field bits 8n..8n + 7 are held in byte[n], with lower
indexed bits placed in the more numerically significant bit positions
within bytes.
@@ -135,62 +135,65 @@
On little endian machines the bit indexes translate into the bit
positions within four 32-bit words in the following way
- MS x[0] LS MS x[1] LS
+ MS x[0] LS MS x[1] LS
ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
24...31 16...23 08...15 00...07 56...63 48...55 40...47 32...39
- MS x[2] LS MS x[3] LS
+ MS x[2] LS MS x[3] LS
ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
88...95 80...87 72...79 64...71 120.127 112.119 104.111 96..103
On big endian machines the bit indexes translate into the bit
positions within four 32-bit words in the following way
- MS x[0] LS MS x[1] LS
+ MS x[0] LS MS x[1] LS
ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
00...07 08...15 16...23 24...31 32...39 40...47 48...55 56...63
- MS x[2] LS MS x[3] LS
+ MS x[2] LS MS x[3] LS
ms ls ms ls ms ls ms ls ms ls ms ls ms ls ms ls
64...71 72...79 80...87 88...95 96..103 104.111 112.119 120.127
*/
-/* A slow generic version of gf_mul, implemented for lle and bbe
- * It multiplies a and b and puts the result in a */
+/* A slow generic version of gf_mul, implemented for lle, bbe, and ble.
+ * It multiplies a and b and puts the result in a
+ */
void gf128mul_lle(be128 *a, const be128 *b);
-
void gf128mul_bbe(be128 *a, const be128 *b);
+void gf128mul_ble(be128 *a, const be128 *b);
-/* multiply by x in ble format, needed by XTS */
+/* multiply by x in ble format, needed by XTS and HEH */
void gf128mul_x_ble(be128 *a, const be128 *b);
/* 4k table optimization */
-
struct gf128mul_4k {
be128 t[256];
};
struct gf128mul_4k *gf128mul_init_4k_lle(const be128 *g);
struct gf128mul_4k *gf128mul_init_4k_bbe(const be128 *g);
+struct gf128mul_4k *gf128mul_init_4k_ble(const be128 *g);
void gf128mul_4k_lle(be128 *a, struct gf128mul_4k *t);
void gf128mul_4k_bbe(be128 *a, struct gf128mul_4k *t);
+void gf128mul_4k_ble(be128 *a, struct gf128mul_4k *t);
static inline void gf128mul_free_4k(struct gf128mul_4k *t)
{
- kfree(t);
+ kzfree(t);
}
-/* 64k table optimization, implemented for lle and bbe */
+/* 64k table optimization, implemented for lle, ble, and bbe */
struct gf128mul_64k {
struct gf128mul_4k *t[16];
};
-/* first initialize with the constant factor with which you
- * want to multiply and then call gf128_64k_lle with the other
- * factor in the first argument, the table in the second and a
- * scratch register in the third. Afterwards *a = *r. */
+/* First initialize with the constant factor with which you
+ * want to multiply and then call gf128mul_64k_bbe with the other
+ * factor in the first argument, and the table in the second.
+ * Afterwards, the result is stored in *a.
+ */
struct gf128mul_64k *gf128mul_init_64k_lle(const be128 *g);
struct gf128mul_64k *gf128mul_init_64k_bbe(const be128 *g);
void gf128mul_free_64k(struct gf128mul_64k *t);
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index e51741670a60..b6a979fae948 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -106,6 +106,8 @@ int shash_register_instance(struct crypto_template *tmpl,
struct shash_instance *inst);
void shash_free_instance(struct crypto_instance *inst);
+int crypto_grab_shash(struct crypto_shash_spawn *spawn,
+ const char *name, u32 type, u32 mask);
int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
struct shash_alg *alg,
struct crypto_instance *inst);
@@ -115,6 +117,12 @@ static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn)
crypto_drop_spawn(&spawn->base);
}
+static inline struct shash_alg *crypto_spawn_shash_alg(
+ struct crypto_shash_spawn *spawn)
+{
+ return container_of(spawn->base.alg, struct shash_alg, base);
+}
+
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
diff --git a/include/crypto/speck.h b/include/crypto/speck.h
new file mode 100644
index 000000000000..73cfc952d405
--- /dev/null
+++ b/include/crypto/speck.h
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common values for the Speck algorithm
+ */
+
+#ifndef _CRYPTO_SPECK_H
+#define _CRYPTO_SPECK_H
+
+#include <linux/types.h>
+
+/* Speck128 */
+
+#define SPECK128_BLOCK_SIZE 16
+
+#define SPECK128_128_KEY_SIZE 16
+#define SPECK128_128_NROUNDS 32
+
+#define SPECK128_192_KEY_SIZE 24
+#define SPECK128_192_NROUNDS 33
+
+#define SPECK128_256_KEY_SIZE 32
+#define SPECK128_256_NROUNDS 34
+
+struct speck128_tfm_ctx {
+ u64 round_keys[SPECK128_256_NROUNDS];
+ int nrounds;
+};
+
+void crypto_speck128_encrypt(const struct speck128_tfm_ctx *ctx,
+ u8 *out, const u8 *in);
+
+void crypto_speck128_decrypt(const struct speck128_tfm_ctx *ctx,
+ u8 *out, const u8 *in);
+
+int crypto_speck128_setkey(struct speck128_tfm_ctx *ctx, const u8 *key,
+ unsigned int keysize);
+
+/* Speck64 */
+
+#define SPECK64_BLOCK_SIZE 8
+
+#define SPECK64_96_KEY_SIZE 12
+#define SPECK64_96_NROUNDS 26
+
+#define SPECK64_128_KEY_SIZE 16
+#define SPECK64_128_NROUNDS 27
+
+struct speck64_tfm_ctx {
+ u32 round_keys[SPECK64_128_NROUNDS];
+ int nrounds;
+};
+
+void crypto_speck64_encrypt(const struct speck64_tfm_ctx *ctx,
+ u8 *out, const u8 *in);
+
+void crypto_speck64_decrypt(const struct speck64_tfm_ctx *ctx,
+ u8 *out, const u8 *in);
+
+int crypto_speck64_setkey(struct speck64_tfm_ctx *ctx, const u8 *key,
+ unsigned int keysize);
+
+#endif /* _CRYPTO_SPECK_H */
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-09 23:53:55 +0000