diff options
Diffstat (limited to 'crypto/anubis.c')
| -rw-r--r-- | crypto/anubis.c | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/crypto/anubis.c b/crypto/anubis.c index 2c796bdb91a..008c8a4fb67 100644 --- a/crypto/anubis.c +++ b/crypto/anubis.c @@ -33,7 +33,6 @@ #include <linux/module.h> #include <linux/mm.h> #include <asm/byteorder.h> -#include <asm/scatterlist.h> #include <linux/crypto.h> #include <linux/types.h> @@ -460,24 +459,23 @@ static const u32 rc[] = { 0xf726ffedU, 0xe89d6f8eU, 0x19a0f089U, }; -static int anubis_setkey(void *ctx_arg, const u8 *in_key, - unsigned int key_len, u32 *flags) +static int anubis_setkey(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) { + struct anubis_ctx *ctx = crypto_tfm_ctx(tfm); const __be32 *key = (const __be32 *)in_key; + u32 *flags = &tfm->crt_flags; int N, R, i, r; u32 kappa[ANUBIS_MAX_N]; u32 inter[ANUBIS_MAX_N]; - struct anubis_ctx *ctx = ctx_arg; - - switch (key_len) - { + switch (key_len) { case 16: case 20: case 24: case 28: case 32: case 36: case 40: break; default: *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return - EINVAL; + return -EINVAL; } ctx->key_len = key_len * 8; @@ -531,23 +529,24 @@ static int anubis_setkey(void *ctx_arg, const u8 *in_key, /* * compute kappa^{r+1} from kappa^r: */ - if (r == R) { + if (r == R) break; - } for (i = 0; i < N; i++) { int j = i; inter[i] = T0[(kappa[j--] >> 24) ]; - if (j < 0) j = N - 1; + if (j < 0) + j = N - 1; inter[i] ^= T1[(kappa[j--] >> 16) & 0xff]; - if (j < 0) j = N - 1; + if (j < 0) + j = N - 1; inter[i] ^= T2[(kappa[j--] >> 8) & 0xff]; - if (j < 0) j = N - 1; + if (j < 0) + j = N - 1; inter[i] ^= T3[(kappa[j ] ) & 0xff]; } kappa[0] = inter[0] ^ rc[r]; - for (i = 1; i < N; i++) { + for (i = 1; i < N; i++) kappa[i] = inter[i]; - } } /* @@ -660,15 +659,15 @@ static void anubis_crypt(u32 roundKey[ANUBIS_MAX_ROUNDS + 1][4], dst[i] = cpu_to_be32(inter[i]); } -static void anubis_encrypt(void *ctx_arg, u8 *dst, const u8 *src) +static void anubis_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct anubis_ctx *ctx = ctx_arg; + struct anubis_ctx *ctx = crypto_tfm_ctx(tfm); anubis_crypt(ctx->E, dst, src, ctx->R); } -static void anubis_decrypt(void *ctx_arg, u8 *dst, const u8 *src) +static void anubis_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - struct anubis_ctx *ctx = ctx_arg; + struct anubis_ctx *ctx = crypto_tfm_ctx(tfm); anubis_crypt(ctx->D, dst, src, ctx->R); } @@ -679,7 +678,6 @@ static struct crypto_alg anubis_alg = { .cra_ctxsize = sizeof (struct anubis_ctx), .cra_alignmask = 3, .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(anubis_alg.cra_list), .cra_u = { .cipher = { .cia_min_keysize = ANUBIS_MIN_KEY_SIZE, .cia_max_keysize = ANUBIS_MAX_KEY_SIZE, @@ -688,21 +686,21 @@ static struct crypto_alg anubis_alg = { .cia_decrypt = anubis_decrypt } } }; -static int __init init(void) +static int __init anubis_mod_init(void) { int ret = 0; - + ret = crypto_register_alg(&anubis_alg); return ret; } -static void __exit fini(void) +static void __exit anubis_mod_fini(void) { crypto_unregister_alg(&anubis_alg); } -module_init(init); -module_exit(fini); +module_init(anubis_mod_init); +module_exit(anubis_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Anubis Cryptographic Algorithm"); |
