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-rw-r--r--arch/x86/crypto/chacha_glue.c17
-rw-r--r--crypto/Kconfig4
2 files changed, 19 insertions, 2 deletions
diff --git a/arch/x86/crypto/chacha_glue.c b/arch/x86/crypto/chacha_glue.c
index 35fd02b50d27..d19c2908be90 100644
--- a/arch/x86/crypto/chacha_glue.c
+++ b/arch/x86/crypto/chacha_glue.c
@@ -232,6 +232,21 @@ static struct skcipher_alg algs[] = {
.setkey = crypto_chacha20_setkey,
.encrypt = xchacha_simd,
.decrypt = xchacha_simd,
+ }, {
+ .base.cra_name = "xchacha12",
+ .base.cra_driver_name = "xchacha12-simd",
+ .base.cra_priority = 300,
+ .base.cra_blocksize = 1,
+ .base.cra_ctxsize = sizeof(struct chacha_ctx),
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = CHACHA_KEY_SIZE,
+ .max_keysize = CHACHA_KEY_SIZE,
+ .ivsize = XCHACHA_IV_SIZE,
+ .chunksize = CHACHA_BLOCK_SIZE,
+ .setkey = crypto_chacha12_setkey,
+ .encrypt = xchacha_simd,
+ .decrypt = xchacha_simd,
},
};
@@ -268,3 +283,5 @@ MODULE_ALIAS_CRYPTO("chacha20");
MODULE_ALIAS_CRYPTO("chacha20-simd");
MODULE_ALIAS_CRYPTO("xchacha20");
MODULE_ALIAS_CRYPTO("xchacha20-simd");
+MODULE_ALIAS_CRYPTO("xchacha12");
+MODULE_ALIAS_CRYPTO("xchacha12-simd");
diff --git a/crypto/Kconfig b/crypto/Kconfig
index dc3a0e3ea2ac..045af6eeb7e2 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1473,8 +1473,8 @@ config CRYPTO_CHACHA20_X86_64
select CRYPTO_BLKCIPHER
select CRYPTO_CHACHA20
help
- SSSE3, AVX2, and AVX-512VL optimized implementations of the ChaCha20
- and XChaCha20 stream ciphers.
+ SSSE3, AVX2, and AVX-512VL optimized implementations of the ChaCha20,
+ XChaCha20, and XChaCha12 stream ciphers.
config CRYPTO_SEED
tristate "SEED cipher algorithm"