X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=crypto%2Flrw.c;h=8ef664e3bcd9a90c93a5436e551549e72df1ff82;hb=ea68d270ff55bcdfa5d07697eb68103b5b02c7bb;hp=5d043158b9030eb806c829205b7dd256d632e4b6;hpb=64470f1b8510699dc357a44004dc924bc139c917;p=safe%2Fjmp%2Flinux-2.6 diff --git a/crypto/lrw.c b/crypto/lrw.c index 5d04315..8ef664e 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -91,11 +91,12 @@ struct sinfo { static inline void inc(be128 *iv) { - if (!(iv->b = cpu_to_be64(be64_to_cpu(iv->b) + 1))) - iv->a = cpu_to_be64(be64_to_cpu(iv->a) + 1); + be64_add_cpu(&iv->b, 1); + if (!iv->b) + be64_add_cpu(&iv->a, 1); } -static inline void round(struct sinfo *s, void *dst, const void *src) +static inline void lrw_round(struct sinfo *s, void *dst, const void *src) { be128_xor(dst, &s->t, src); /* PP <- T xor P */ s->fn(s->tfm, dst, dst); /* CC <- E(Key2,PP) */ @@ -160,7 +161,7 @@ static int crypt(struct blkcipher_desc *d, inc(iv); first: - round(&s, wdst, wsrc); + lrw_round(&s, wdst, wsrc); wsrc += bs; wdst += bs; @@ -201,21 +202,22 @@ static int decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, static int init_tfm(struct crypto_tfm *tfm) { + struct crypto_cipher *cipher; struct crypto_instance *inst = (void *)tfm->__crt_alg; struct crypto_spawn *spawn = crypto_instance_ctx(inst); struct priv *ctx = crypto_tfm_ctx(tfm); u32 *flags = &tfm->crt_flags; - tfm = crypto_spawn_tfm(spawn); - if (IS_ERR(tfm)) - return PTR_ERR(tfm); + cipher = crypto_spawn_cipher(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); - if (crypto_tfm_alg_blocksize(tfm) != 16) { + if (crypto_cipher_blocksize(cipher) != 16) { *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; return -EINVAL; } - ctx->child = crypto_cipher_cast(tfm); + ctx->child = cipher; return 0; } @@ -227,15 +229,20 @@ static void exit_tfm(struct crypto_tfm *tfm) crypto_free_cipher(ctx->child); } -static struct crypto_instance *alloc(void *param, unsigned int len) +static struct crypto_instance *alloc(struct rtattr **tb) { struct crypto_instance *inst; struct crypto_alg *alg; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER); + if (err) + return ERR_PTR(err); - alg = crypto_get_attr_alg(param, len, CRYPTO_ALG_TYPE_CIPHER, - CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); + alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER, + CRYPTO_ALG_TYPE_MASK); if (IS_ERR(alg)) - return ERR_PTR(PTR_ERR(alg)); + return ERR_CAST(alg); inst = crypto_alloc_instance("lrw", alg); if (IS_ERR(inst))