From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/arch/arm/crypto/aes-ce-glue.c | 577 ++++++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 428 insertions(+), 149 deletions(-)
diff --git a/kernel/arch/arm/crypto/aes-ce-glue.c b/kernel/arch/arm/crypto/aes-ce-glue.c
index d0a9cec..b668c97 100644
--- a/kernel/arch/arm/crypto/aes-ce-glue.c
+++ b/kernel/arch/arm/crypto/aes-ce-glue.c
@@ -1,19 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aes-ce-glue.c - wrapper code for ARMv8 AES
*
* Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <asm/hwcap.h>
#include <asm/neon.h>
-#include <asm/hwcap.h>
+#include <asm/simd.h>
+#include <asm/unaligned.h>
#include <crypto/aes.h>
+#include <crypto/ctr.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
+#include <crypto/scatterwalk.h>
#include <linux/cpufeature.h>
#include <linux/module.h>
#include <crypto/xts.h>
@@ -26,25 +26,29 @@
asmlinkage u32 ce_aes_sub(u32 input);
asmlinkage void ce_aes_invert(void *dst, void *src);
-asmlinkage void ce_aes_ecb_encrypt(u8 out[], u8 const in[], u8 const rk[],
+asmlinkage void ce_aes_ecb_encrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks);
-asmlinkage void ce_aes_ecb_decrypt(u8 out[], u8 const in[], u8 const rk[],
+asmlinkage void ce_aes_ecb_decrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks);
-asmlinkage void ce_aes_cbc_encrypt(u8 out[], u8 const in[], u8 const rk[],
+asmlinkage void ce_aes_cbc_encrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks, u8 iv[]);
-asmlinkage void ce_aes_cbc_decrypt(u8 out[], u8 const in[], u8 const rk[],
+asmlinkage void ce_aes_cbc_decrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks, u8 iv[]);
+asmlinkage void ce_aes_cbc_cts_encrypt(u8 out[], u8 const in[], u32 const rk[],
+ int rounds, int bytes, u8 const iv[]);
+asmlinkage void ce_aes_cbc_cts_decrypt(u8 out[], u8 const in[], u32 const rk[],
+ int rounds, int bytes, u8 const iv[]);
-asmlinkage void ce_aes_ctr_encrypt(u8 out[], u8 const in[], u8 const rk[],
+asmlinkage void ce_aes_ctr_encrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks, u8 ctr[]);
-asmlinkage void ce_aes_xts_encrypt(u8 out[], u8 const in[], u8 const rk1[],
- int rounds, int blocks, u8 iv[],
- u8 const rk2[], int first);
-asmlinkage void ce_aes_xts_decrypt(u8 out[], u8 const in[], u8 const rk1[],
- int rounds, int blocks, u8 iv[],
- u8 const rk2[], int first);
+asmlinkage void ce_aes_xts_encrypt(u8 out[], u8 const in[], u32 const rk1[],
+ int rounds, int bytes, u8 iv[],
+ u32 const rk2[], int first);
+asmlinkage void ce_aes_xts_decrypt(u8 out[], u8 const in[], u32 const rk1[],
+ int rounds, int bytes, u8 iv[],
+ u32 const rk2[], int first);
struct aes_block {
u8 b[AES_BLOCK_SIZE];
@@ -81,21 +85,17 @@
key_len != AES_KEYSIZE_256)
return -EINVAL;
- memcpy(ctx->key_enc, in_key, key_len);
ctx->key_length = key_len;
+ for (i = 0; i < kwords; i++)
+ ctx->key_enc[i] = get_unaligned_le32(in_key + i * sizeof(u32));
kernel_neon_begin();
for (i = 0; i < sizeof(rcon); i++) {
u32 *rki = ctx->key_enc + (i * kwords);
u32 *rko = rki + kwords;
-#ifndef CONFIG_CPU_BIG_ENDIAN
rko[0] = ror32(ce_aes_sub(rki[kwords - 1]), 8);
rko[0] = rko[0] ^ rki[0] ^ rcon[i];
-#else
- rko[0] = rol32(ce_aes_sub(rki[kwords - 1]), 8);
- rko[0] = rko[0] ^ rki[0] ^ (rcon[i] << 24);
-#endif
rko[1] = rko[0] ^ rki[1];
rko[2] = rko[1] ^ rki[2];
rko[3] = rko[2] ^ rki[3];
@@ -138,14 +138,8 @@
unsigned int key_len)
{
struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
- int ret;
- ret = ce_aes_expandkey(ctx, in_key, key_len);
- if (!ret)
- return 0;
-
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
+ return ce_aes_expandkey(ctx, in_key, key_len);
}
struct crypto_aes_xts_ctx {
@@ -167,11 +161,7 @@
if (!ret)
ret = ce_aes_expandkey(&ctx->key2, &in_key[key_len / 2],
key_len / 2);
- if (!ret)
- return 0;
-
- crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
+ return ret;
}
static int ecb_encrypt(struct skcipher_request *req)
@@ -182,15 +172,15 @@
unsigned int blocks;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {
+ kernel_neon_begin();
ce_aes_ecb_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key_enc, num_rounds(ctx), blocks);
+ ctx->key_enc, num_rounds(ctx), blocks);
+ kernel_neon_end();
err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}
@@ -202,58 +192,192 @@
unsigned int blocks;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {
+ kernel_neon_begin();
ce_aes_ecb_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key_dec, num_rounds(ctx), blocks);
+ ctx->key_dec, num_rounds(ctx), blocks);
+ kernel_neon_end();
err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
}
- kernel_neon_end();
+ return err;
+}
+
+static int cbc_encrypt_walk(struct skcipher_request *req,
+ struct skcipher_walk *walk)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ unsigned int blocks;
+ int err = 0;
+
+ while ((blocks = (walk->nbytes / AES_BLOCK_SIZE))) {
+ kernel_neon_begin();
+ ce_aes_cbc_encrypt(walk->dst.virt.addr, walk->src.virt.addr,
+ ctx->key_enc, num_rounds(ctx), blocks,
+ walk->iv);
+ kernel_neon_end();
+ err = skcipher_walk_done(walk, walk->nbytes % AES_BLOCK_SIZE);
+ }
return err;
}
static int cbc_encrypt(struct skcipher_request *req)
{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk walk;
- unsigned int blocks;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
+ return cbc_encrypt_walk(req, &walk);
+}
- kernel_neon_begin();
- while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {
- ce_aes_cbc_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key_enc, num_rounds(ctx), blocks,
- walk.iv);
- err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
+static int cbc_decrypt_walk(struct skcipher_request *req,
+ struct skcipher_walk *walk)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ unsigned int blocks;
+ int err = 0;
+
+ while ((blocks = (walk->nbytes / AES_BLOCK_SIZE))) {
+ kernel_neon_begin();
+ ce_aes_cbc_decrypt(walk->dst.virt.addr, walk->src.virt.addr,
+ ctx->key_dec, num_rounds(ctx), blocks,
+ walk->iv);
+ kernel_neon_end();
+ err = skcipher_walk_done(walk, walk->nbytes % AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}
static int cbc_decrypt(struct skcipher_request *req)
{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
struct skcipher_walk walk;
- unsigned int blocks;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
+ return cbc_decrypt_walk(req, &walk);
+}
+
+static int cts_cbc_encrypt(struct skcipher_request *req)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int cbc_blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;
+ struct scatterlist *src = req->src, *dst = req->dst;
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct skcipher_walk walk;
+ int err;
+
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq, skcipher_request_flags(req),
+ NULL, NULL);
+
+ if (req->cryptlen <= AES_BLOCK_SIZE) {
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+ cbc_blocks = 1;
+ }
+
+ if (cbc_blocks > 0) {
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ cbc_blocks * AES_BLOCK_SIZE,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, &subreq, false) ?:
+ cbc_encrypt_walk(&subreq, &walk);
+ if (err)
+ return err;
+
+ if (req->cryptlen == AES_BLOCK_SIZE)
+ return 0;
+
+ dst = src = scatterwalk_ffwd(sg_src, req->src, subreq.cryptlen);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst,
+ subreq.cryptlen);
+ }
+
+ /* handle ciphertext stealing */
+ skcipher_request_set_crypt(&subreq, src, dst,
+ req->cryptlen - cbc_blocks * AES_BLOCK_SIZE,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, &subreq, false);
+ if (err)
+ return err;
kernel_neon_begin();
- while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {
- ce_aes_cbc_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key_dec, num_rounds(ctx), blocks,
- walk.iv);
- err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
- }
+ ce_aes_cbc_cts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key_enc, num_rounds(ctx), walk.nbytes,
+ walk.iv);
kernel_neon_end();
- return err;
+
+ return skcipher_walk_done(&walk, 0);
+}
+
+static int cts_cbc_decrypt(struct skcipher_request *req)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int cbc_blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;
+ struct scatterlist *src = req->src, *dst = req->dst;
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct skcipher_walk walk;
+ int err;
+
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq, skcipher_request_flags(req),
+ NULL, NULL);
+
+ if (req->cryptlen <= AES_BLOCK_SIZE) {
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+ cbc_blocks = 1;
+ }
+
+ if (cbc_blocks > 0) {
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ cbc_blocks * AES_BLOCK_SIZE,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, &subreq, false) ?:
+ cbc_decrypt_walk(&subreq, &walk);
+ if (err)
+ return err;
+
+ if (req->cryptlen == AES_BLOCK_SIZE)
+ return 0;
+
+ dst = src = scatterwalk_ffwd(sg_src, req->src, subreq.cryptlen);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst,
+ subreq.cryptlen);
+ }
+
+ /* handle ciphertext stealing */
+ skcipher_request_set_crypt(&subreq, src, dst,
+ req->cryptlen - cbc_blocks * AES_BLOCK_SIZE,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, &subreq, false);
+ if (err)
+ return err;
+
+ kernel_neon_begin();
+ ce_aes_cbc_cts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key_dec, num_rounds(ctx), walk.nbytes,
+ walk.iv);
+ kernel_neon_end();
+
+ return skcipher_walk_done(&walk, 0);
}
static int ctr_encrypt(struct skcipher_request *req)
@@ -263,13 +387,14 @@
struct skcipher_walk walk;
int err, blocks;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) {
+ kernel_neon_begin();
ce_aes_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key_enc, num_rounds(ctx), blocks,
+ ctx->key_enc, num_rounds(ctx), blocks,
walk.iv);
+ kernel_neon_end();
err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
}
if (walk.nbytes) {
@@ -283,14 +408,37 @@
*/
blocks = -1;
- ce_aes_ctr_encrypt(tail, NULL, (u8 *)ctx->key_enc,
- num_rounds(ctx), blocks, walk.iv);
+ kernel_neon_begin();
+ ce_aes_ctr_encrypt(tail, NULL, ctx->key_enc, num_rounds(ctx),
+ blocks, walk.iv);
+ kernel_neon_end();
crypto_xor_cpy(tdst, tsrc, tail, nbytes);
err = skcipher_walk_done(&walk, 0);
}
- kernel_neon_end();
-
return err;
+}
+
+static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
+{
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ unsigned long flags;
+
+ /*
+ * Temporarily disable interrupts to avoid races where
+ * cachelines are evicted when the CPU is interrupted
+ * to do something else.
+ */
+ local_irq_save(flags);
+ aes_encrypt(ctx, dst, src);
+ local_irq_restore(flags);
+}
+
+static int ctr_encrypt_sync(struct skcipher_request *req)
+{
+ if (!crypto_simd_usable())
+ return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
+
+ return ctr_encrypt(req);
}
static int xts_encrypt(struct skcipher_request *req)
@@ -298,21 +446,71 @@
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int err, first, rounds = num_rounds(&ctx->key1);
+ int tail = req->cryptlen % AES_BLOCK_SIZE;
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct scatterlist *src, *dst;
struct skcipher_walk walk;
- unsigned int blocks;
- err = skcipher_walk_virt(&walk, req, true);
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+
+ err = skcipher_walk_virt(&walk, req, false);
+
+ if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
+ int xts_blocks = DIV_ROUND_UP(req->cryptlen,
+ AES_BLOCK_SIZE) - 2;
+
+ skcipher_walk_abort(&walk);
+
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq,
+ skcipher_request_flags(req),
+ NULL, NULL);
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ xts_blocks * AES_BLOCK_SIZE,
+ req->iv);
+ req = &subreq;
+ err = skcipher_walk_virt(&walk, req, false);
+ } else {
+ tail = 0;
+ }
+
+ for (first = 1; walk.nbytes >= AES_BLOCK_SIZE; first = 0) {
+ int nbytes = walk.nbytes;
+
+ if (walk.nbytes < walk.total)
+ nbytes &= ~(AES_BLOCK_SIZE - 1);
+
+ kernel_neon_begin();
+ ce_aes_xts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key1.key_enc, rounds, nbytes, walk.iv,
+ ctx->key2.key_enc, first);
+ kernel_neon_end();
+ err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
+ }
+
+ if (err || likely(!tail))
+ return err;
+
+ dst = src = scatterwalk_ffwd(sg_src, req->src, req->cryptlen);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst, req->cryptlen);
+
+ skcipher_request_set_crypt(req, src, dst, AES_BLOCK_SIZE + tail,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
kernel_neon_begin();
- for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {
- ce_aes_xts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key1.key_enc, rounds, blocks,
- walk.iv, (u8 *)ctx->key2.key_enc, first);
- err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
- }
+ ce_aes_xts_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key1.key_enc, rounds, walk.nbytes, walk.iv,
+ ctx->key2.key_enc, first);
kernel_neon_end();
- return err;
+ return skcipher_walk_done(&walk, 0);
}
static int xts_decrypt(struct skcipher_request *req)
@@ -320,87 +518,165 @@
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int err, first, rounds = num_rounds(&ctx->key1);
+ int tail = req->cryptlen % AES_BLOCK_SIZE;
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct scatterlist *src, *dst;
struct skcipher_walk walk;
- unsigned int blocks;
- err = skcipher_walk_virt(&walk, req, true);
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+
+ err = skcipher_walk_virt(&walk, req, false);
+
+ if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
+ int xts_blocks = DIV_ROUND_UP(req->cryptlen,
+ AES_BLOCK_SIZE) - 2;
+
+ skcipher_walk_abort(&walk);
+
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq,
+ skcipher_request_flags(req),
+ NULL, NULL);
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ xts_blocks * AES_BLOCK_SIZE,
+ req->iv);
+ req = &subreq;
+ err = skcipher_walk_virt(&walk, req, false);
+ } else {
+ tail = 0;
+ }
+
+ for (first = 1; walk.nbytes >= AES_BLOCK_SIZE; first = 0) {
+ int nbytes = walk.nbytes;
+
+ if (walk.nbytes < walk.total)
+ nbytes &= ~(AES_BLOCK_SIZE - 1);
+
+ kernel_neon_begin();
+ ce_aes_xts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key1.key_dec, rounds, nbytes, walk.iv,
+ ctx->key2.key_enc, first);
+ kernel_neon_end();
+ err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
+ }
+
+ if (err || likely(!tail))
+ return err;
+
+ dst = src = scatterwalk_ffwd(sg_src, req->src, req->cryptlen);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst, req->cryptlen);
+
+ skcipher_request_set_crypt(req, src, dst, AES_BLOCK_SIZE + tail,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
kernel_neon_begin();
- for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {
- ce_aes_xts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
- (u8 *)ctx->key1.key_dec, rounds, blocks,
- walk.iv, (u8 *)ctx->key2.key_enc, first);
- err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
- }
+ ce_aes_xts_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
+ ctx->key1.key_dec, rounds, walk.nbytes, walk.iv,
+ ctx->key2.key_enc, first);
kernel_neon_end();
- return err;
+ return skcipher_walk_done(&walk, 0);
}
static struct skcipher_alg aes_algs[] = { {
- .base = {
- .cra_name = "__ecb(aes)",
- .cra_driver_name = "__ecb-aes-ce",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_INTERNAL,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypto_aes_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = ce_aes_setkey,
- .encrypt = ecb_encrypt,
- .decrypt = ecb_decrypt,
+ .base.cra_name = "__ecb(aes)",
+ .base.cra_driver_name = "__ecb-aes-ce",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = ce_aes_setkey,
+ .encrypt = ecb_encrypt,
+ .decrypt = ecb_decrypt,
}, {
- .base = {
- .cra_name = "__cbc(aes)",
- .cra_driver_name = "__cbc-aes-ce",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_INTERNAL,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypto_aes_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = ce_aes_setkey,
- .encrypt = cbc_encrypt,
- .decrypt = cbc_decrypt,
+ .base.cra_name = "__cbc(aes)",
+ .base.cra_driver_name = "__cbc-aes-ce",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = ce_aes_setkey,
+ .encrypt = cbc_encrypt,
+ .decrypt = cbc_decrypt,
}, {
- .base = {
- .cra_name = "__ctr(aes)",
- .cra_driver_name = "__ctr-aes-ce",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_INTERNAL,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct crypto_aes_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .chunksize = AES_BLOCK_SIZE,
- .setkey = ce_aes_setkey,
- .encrypt = ctr_encrypt,
- .decrypt = ctr_encrypt,
+ .base.cra_name = "__cts(cbc(aes))",
+ .base.cra_driver_name = "__cts-cbc-aes-ce",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .walksize = 2 * AES_BLOCK_SIZE,
+ .setkey = ce_aes_setkey,
+ .encrypt = cts_cbc_encrypt,
+ .decrypt = cts_cbc_decrypt,
}, {
- .base = {
- .cra_name = "__xts(aes)",
- .cra_driver_name = "__xts-aes-ce",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_INTERNAL,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypto_aes_xts_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = 2 * AES_MIN_KEY_SIZE,
- .max_keysize = 2 * AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = xts_set_key,
- .encrypt = xts_encrypt,
- .decrypt = xts_decrypt,
+ .base.cra_name = "__ctr(aes)",
+ .base.cra_driver_name = "__ctr-aes-ce",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = 1,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .chunksize = AES_BLOCK_SIZE,
+ .setkey = ce_aes_setkey,
+ .encrypt = ctr_encrypt,
+ .decrypt = ctr_encrypt,
+}, {
+ .base.cra_name = "ctr(aes)",
+ .base.cra_driver_name = "ctr-aes-ce-sync",
+ .base.cra_priority = 300 - 1,
+ .base.cra_blocksize = 1,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .chunksize = AES_BLOCK_SIZE,
+ .setkey = ce_aes_setkey,
+ .encrypt = ctr_encrypt_sync,
+ .decrypt = ctr_encrypt_sync,
+}, {
+ .base.cra_name = "__xts(aes)",
+ .base.cra_driver_name = "__xts-aes-ce",
+ .base.cra_priority = 300,
+ .base.cra_flags = CRYPTO_ALG_INTERNAL,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct crypto_aes_xts_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .walksize = 2 * AES_BLOCK_SIZE,
+ .setkey = xts_set_key,
+ .encrypt = xts_encrypt,
+ .decrypt = xts_decrypt,
} };
static struct simd_skcipher_alg *aes_simd_algs[ARRAY_SIZE(aes_algs)];
@@ -429,6 +705,9 @@
return err;
for (i = 0; i < ARRAY_SIZE(aes_algs); i++) {
+ if (!(aes_algs[i].base.cra_flags & CRYPTO_ALG_INTERNAL))
+ continue;
+
algname = aes_algs[i].base.cra_name + 2;
drvname = aes_algs[i].base.cra_driver_name + 2;
basename = aes_algs[i].base.cra_driver_name;
--
Gitblit v1.6.2