diff options
Diffstat (limited to 'linux/crypto/poly1305_generic.c')
| -rw-r--r-- | linux/crypto/poly1305_generic.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/linux/crypto/poly1305_generic.c b/linux/crypto/poly1305_generic.c index 5d385d54..acb554c0 100644 --- a/linux/crypto/poly1305_generic.c +++ b/linux/crypto/poly1305_generic.c @@ -18,18 +18,19 @@ #include <linux/crypto.h> #include <crypto/algapi.h> -#include <crypto/internal/hash.h> +#include <crypto/hash.h> #include <crypto/poly1305.h> +static struct shash_alg poly1305_alg; + struct poly1305_desc_ctx { bool key_done; crypto_onetimeauth_poly1305_state s; }; - static int poly1305_init(struct shash_desc *desc) { - struct poly1305_desc_ctx *state = shash_desc_ctx(desc); + struct poly1305_desc_ctx *state = (void *) desc->ctx; state->key_done = false; return 0; @@ -38,7 +39,7 @@ static int poly1305_init(struct shash_desc *desc) static int poly1305_update(struct shash_desc *desc, const u8 *src, unsigned len) { - struct poly1305_desc_ctx *state = shash_desc_ctx(desc); + struct poly1305_desc_ctx *state = (void *) desc->ctx; if (!state->key_done) { BUG_ON(len != crypto_onetimeauth_poly1305_KEYBYTES); @@ -52,21 +53,32 @@ static int poly1305_update(struct shash_desc *desc, static int poly1305_final(struct shash_desc *desc, u8 *out) { - struct poly1305_desc_ctx *state = shash_desc_ctx(desc); + struct poly1305_desc_ctx *state = (void *) desc->ctx; return crypto_onetimeauth_poly1305_final(&state->s, out); } +static void *poly1305_alloc_tfm(void) +{ + struct crypto_shash *tfm = kzalloc(sizeof(*tfm), GFP_KERNEL); + + if (!tfm) + return NULL; + + tfm->base.alg = &poly1305_alg.base; + tfm->descsize = sizeof(struct poly1305_desc_ctx); + return tfm; +} + static struct shash_alg poly1305_alg = { .digestsize = crypto_onetimeauth_poly1305_BYTES, .init = poly1305_init, .update = poly1305_update, .final = poly1305_final, .descsize = sizeof(struct poly1305_desc_ctx), - .base = { - .cra_name = "poly1305", - .cra_flags = CRYPTO_ALG_TYPE_SHASH, - }, + + .base.cra_name = "poly1305", + .base.alloc_tfm = poly1305_alloc_tfm, }; __attribute__((constructor(110))) |