summaryrefslogtreecommitdiffstats
path: root/arch/arm64/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/crypto')
-rw-r--r--arch/arm64/crypto/aes-glue.c112
1 files changed, 59 insertions, 53 deletions
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 2a2e0a3fc4eb..a1c4e30d76c9 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -54,15 +54,18 @@ MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions");
#define aes_xts_decrypt neon_aes_xts_decrypt
#define aes_mac_update neon_aes_mac_update
MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS using ARMv8 NEON");
+#endif
+#if defined(USE_V8_CRYPTO_EXTENSIONS) || !defined(CONFIG_CRYPTO_AES_ARM64_BS)
MODULE_ALIAS_CRYPTO("ecb(aes)");
MODULE_ALIAS_CRYPTO("cbc(aes)");
-MODULE_ALIAS_CRYPTO("essiv(cbc(aes),sha256)");
MODULE_ALIAS_CRYPTO("ctr(aes)");
MODULE_ALIAS_CRYPTO("xts(aes)");
+#endif
+MODULE_ALIAS_CRYPTO("cts(cbc(aes))");
+MODULE_ALIAS_CRYPTO("essiv(cbc(aes),sha256)");
MODULE_ALIAS_CRYPTO("cmac(aes)");
MODULE_ALIAS_CRYPTO("xcbc(aes)");
MODULE_ALIAS_CRYPTO("cbcmac(aes)");
-#endif
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
@@ -144,8 +147,8 @@ static int skcipher_aes_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return ret;
}
-static int xts_set_key(struct crypto_skcipher *tfm, const u8 *in_key,
- unsigned int key_len)
+static int __maybe_unused xts_set_key(struct crypto_skcipher *tfm,
+ const u8 *in_key, unsigned int key_len)
{
struct crypto_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int ret;
@@ -165,8 +168,9 @@ static int xts_set_key(struct crypto_skcipher *tfm, const u8 *in_key,
return -EINVAL;
}
-static int essiv_cbc_set_key(struct crypto_skcipher *tfm, const u8 *in_key,
- unsigned int key_len)
+static int __maybe_unused essiv_cbc_set_key(struct crypto_skcipher *tfm,
+ const u8 *in_key,
+ unsigned int key_len)
{
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
SHASH_DESC_ON_STACK(desc, ctx->hash);
@@ -190,7 +194,7 @@ out:
return -EINVAL;
}
-static int ecb_encrypt(struct skcipher_request *req)
+static int __maybe_unused ecb_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -210,7 +214,7 @@ static int ecb_encrypt(struct skcipher_request *req)
return err;
}
-static int ecb_decrypt(struct skcipher_request *req)
+static int __maybe_unused ecb_decrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -248,7 +252,7 @@ static int cbc_encrypt_walk(struct skcipher_request *req,
return err;
}
-static int cbc_encrypt(struct skcipher_request *req)
+static int __maybe_unused cbc_encrypt(struct skcipher_request *req)
{
struct skcipher_walk walk;
int err;
@@ -277,7 +281,7 @@ static int cbc_decrypt_walk(struct skcipher_request *req,
return err;
}
-static int cbc_decrypt(struct skcipher_request *req)
+static int __maybe_unused cbc_decrypt(struct skcipher_request *req)
{
struct skcipher_walk walk;
int err;
@@ -404,7 +408,7 @@ static int cts_cbc_decrypt(struct skcipher_request *req)
return skcipher_walk_done(&walk, 0);
}
-static int essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
+static int __maybe_unused essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
{
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -413,14 +417,14 @@ static int essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
return PTR_ERR_OR_ZERO(ctx->hash);
}
-static void essiv_cbc_exit_tfm(struct crypto_skcipher *tfm)
+static void __maybe_unused essiv_cbc_exit_tfm(struct crypto_skcipher *tfm)
{
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
crypto_free_shash(ctx->hash);
}
-static int essiv_cbc_encrypt(struct skcipher_request *req)
+static int __maybe_unused essiv_cbc_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -442,7 +446,7 @@ static int essiv_cbc_encrypt(struct skcipher_request *req)
return err ?: cbc_encrypt_walk(req, &walk);
}
-static int essiv_cbc_decrypt(struct skcipher_request *req)
+static int __maybe_unused essiv_cbc_decrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -518,7 +522,7 @@ static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
local_irq_restore(flags);
}
-static int ctr_encrypt_sync(struct skcipher_request *req)
+static int __maybe_unused ctr_encrypt_sync(struct skcipher_request *req)
{
if (!crypto_simd_usable())
return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
@@ -526,7 +530,7 @@ static int ctr_encrypt_sync(struct skcipher_request *req)
return ctr_encrypt(req);
}
-static int xts_encrypt(struct skcipher_request *req)
+static int __maybe_unused xts_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -548,7 +552,7 @@ static int xts_encrypt(struct skcipher_request *req)
return err;
}
-static int xts_decrypt(struct skcipher_request *req)
+static int __maybe_unused xts_decrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -571,6 +575,7 @@ static int xts_decrypt(struct skcipher_request *req)
}
static struct skcipher_alg aes_algs[] = { {
+#if defined(USE_V8_CRYPTO_EXTENSIONS) || !defined(CONFIG_CRYPTO_AES_ARM64_BS)
.base = {
.cra_name = "__ecb(aes)",
.cra_driver_name = "__ecb-aes-" MODE,
@@ -603,42 +608,6 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = cbc_decrypt,
}, {
.base = {
- .cra_name = "__cts(cbc(aes))",
- .cra_driver_name = "__cts-cbc-aes-" MODE,
- .cra_priority = PRIO,
- .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,
- .walksize = 2 * AES_BLOCK_SIZE,
- .setkey = skcipher_aes_setkey,
- .encrypt = cts_cbc_encrypt,
- .decrypt = cts_cbc_decrypt,
- .init = cts_cbc_init_tfm,
-}, {
- .base = {
- .cra_name = "__essiv(cbc(aes),sha256)",
- .cra_driver_name = "__essiv-cbc-aes-sha256-" MODE,
- .cra_priority = PRIO + 1,
- .cra_flags = CRYPTO_ALG_INTERNAL,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypto_aes_essiv_cbc_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = essiv_cbc_set_key,
- .encrypt = essiv_cbc_encrypt,
- .decrypt = essiv_cbc_decrypt,
- .init = essiv_cbc_init_tfm,
- .exit = essiv_cbc_exit_tfm,
-}, {
- .base = {
.cra_name = "__ctr(aes)",
.cra_driver_name = "__ctr-aes-" MODE,
.cra_priority = PRIO,
@@ -686,6 +655,43 @@ static struct skcipher_alg aes_algs[] = { {
.setkey = xts_set_key,
.encrypt = xts_encrypt,
.decrypt = xts_decrypt,
+}, {
+#endif
+ .base = {
+ .cra_name = "__cts(cbc(aes))",
+ .cra_driver_name = "__cts-cbc-aes-" MODE,
+ .cra_priority = PRIO,
+ .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,
+ .walksize = 2 * AES_BLOCK_SIZE,
+ .setkey = skcipher_aes_setkey,
+ .encrypt = cts_cbc_encrypt,
+ .decrypt = cts_cbc_decrypt,
+ .init = cts_cbc_init_tfm,
+}, {
+ .base = {
+ .cra_name = "__essiv(cbc(aes),sha256)",
+ .cra_driver_name = "__essiv-cbc-aes-sha256-" MODE,
+ .cra_priority = PRIO + 1,
+ .cra_flags = CRYPTO_ALG_INTERNAL,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_essiv_cbc_ctx),
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = essiv_cbc_set_key,
+ .encrypt = essiv_cbc_encrypt,
+ .decrypt = essiv_cbc_decrypt,
+ .init = essiv_cbc_init_tfm,
+ .exit = essiv_cbc_exit_tfm,
} };
static int cbcmac_setkey(struct crypto_shash *tfm, const u8 *in_key,
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-05 14:09:12 +0100