crypto: clmulni - mark ghash clmulni helper ciphers (6a9b52b7) · Commits · 戴 / test

Flag all ash clmulni helper ciphers as internal ciphers to prevent them from being called by normal users. Signed-off-by:

arch/x86/crypto/ghash-clmulni-intel_glue.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -154,7 +154,8 @@ static struct shash_alg ghash_alg = {
		.cra_name = "__ghash",
		.cra_driver_name = "__ghash-pclmulqdqni",
		.cra_priority = 0,
		.cra_flags = CRYPTO_ALG_TYPE_SHASH,
		.cra_flags = CRYPTO_ALG_TYPE_SHASH \|
		CRYPTO_ALG_INTERNAL,
		.cra_blocksize = GHASH_BLOCK_SIZE,
		.cra_ctxsize = sizeof(struct ghash_ctx),
		.cra_module = THIS_MODULE,
		@@ -261,7 +262,9 @@ static int ghash_async_init_tfm(struct crypto_tfm *tfm)
		struct cryptd_ahash *cryptd_tfm;
		struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);

		cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni", 0, 0);
		cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni",
		CRYPTO_ALG_INTERNAL,
		CRYPTO_ALG_INTERNAL);
		if (IS_ERR(cryptd_tfm))
		return PTR_ERR(cryptd_tfm);
		ctx->cryptd_tfm = cryptd_tfm;