diff options
Diffstat (limited to 'arch/arm64/crypto/nhpoly1305-neon-glue.c')
| -rw-r--r-- | arch/arm64/crypto/nhpoly1305-neon-glue.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/arm64/crypto/nhpoly1305-neon-glue.c b/arch/arm64/crypto/nhpoly1305-neon-glue.c index c5405e6a6db7..013de6ac569a 100644 --- a/arch/arm64/crypto/nhpoly1305-neon-glue.c +++ b/arch/arm64/crypto/nhpoly1305-neon-glue.c @@ -14,14 +14,7 @@ #include <linux/module.h> asmlinkage void nh_neon(const u32 *key, const u8 *message, size_t message_len, - u8 hash[NH_HASH_BYTES]); - -/* wrapper to avoid indirect call to assembly, which doesn't work with CFI */ -static void _nh_neon(const u32 *key, const u8 *message, size_t message_len, - __le64 hash[NH_NUM_PASSES]) -{ - nh_neon(key, message, message_len, (u8 *)hash); -} + __le64 hash[NH_NUM_PASSES]); static int nhpoly1305_neon_update(struct shash_desc *desc, const u8 *src, unsigned int srclen) @@ -32,15 +25,22 @@ static int nhpoly1305_neon_update(struct shash_desc *desc, do { unsigned int n = min_t(unsigned int, srclen, SZ_4K); - kernel_neon_begin(); - crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon); - kernel_neon_end(); + scoped_ksimd() + crypto_nhpoly1305_update_helper(desc, src, n, nh_neon); src += n; srclen -= n; } while (srclen); return 0; } +static int nhpoly1305_neon_digest(struct shash_desc *desc, + const u8 *src, unsigned int srclen, u8 *out) +{ + return crypto_nhpoly1305_init(desc) ?: + nhpoly1305_neon_update(desc, src, srclen) ?: + crypto_nhpoly1305_final(desc, out); +} + static struct shash_alg nhpoly1305_alg = { .base.cra_name = "nhpoly1305", .base.cra_driver_name = "nhpoly1305-neon", @@ -51,6 +51,7 @@ static struct shash_alg nhpoly1305_alg = { .init = crypto_nhpoly1305_init, .update = nhpoly1305_neon_update, .final = crypto_nhpoly1305_final, + .digest = nhpoly1305_neon_digest, .setkey = crypto_nhpoly1305_setkey, .descsize = sizeof(struct nhpoly1305_state), }; |