[CRYPTO] api: Remove deprecated interface
This patch removes the old cipher interface and related code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
Родитель
ba8da2a948
Коммит
f1ddcaf339
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@ -396,7 +396,7 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn)
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return ERR_PTR(-EAGAIN);
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}
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tfm = __crypto_alloc_tfm(alg, 0);
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tfm = __crypto_alloc_tfm(alg);
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if (IS_ERR(tfm))
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crypto_mod_put(alg);
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63
crypto/api.c
63
crypto/api.c
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@ -212,25 +212,6 @@ struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask)
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}
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EXPORT_SYMBOL_GPL(crypto_alg_mod_lookup);
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static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags)
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{
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tfm->crt_flags = flags & CRYPTO_TFM_REQ_MASK;
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flags &= ~CRYPTO_TFM_REQ_MASK;
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switch (crypto_tfm_alg_type(tfm)) {
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case CRYPTO_ALG_TYPE_CIPHER:
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return crypto_init_cipher_flags(tfm, flags);
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case CRYPTO_ALG_TYPE_DIGEST:
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return crypto_init_digest_flags(tfm, flags);
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case CRYPTO_ALG_TYPE_COMPRESS:
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return crypto_init_compress_flags(tfm, flags);
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}
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return 0;
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}
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static int crypto_init_ops(struct crypto_tfm *tfm)
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{
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const struct crypto_type *type = tfm->__crt_alg->cra_type;
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@ -285,7 +266,7 @@ static void crypto_exit_ops(struct crypto_tfm *tfm)
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}
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}
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static unsigned int crypto_ctxsize(struct crypto_alg *alg, int flags)
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static unsigned int crypto_ctxsize(struct crypto_alg *alg)
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{
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const struct crypto_type *type = alg->cra_type;
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unsigned int len;
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@ -299,15 +280,15 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, int flags)
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BUG();
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case CRYPTO_ALG_TYPE_CIPHER:
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len += crypto_cipher_ctxsize(alg, flags);
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len += crypto_cipher_ctxsize(alg);
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break;
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case CRYPTO_ALG_TYPE_DIGEST:
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len += crypto_digest_ctxsize(alg, flags);
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len += crypto_digest_ctxsize(alg);
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break;
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case CRYPTO_ALG_TYPE_COMPRESS:
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len += crypto_compress_ctxsize(alg, flags);
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len += crypto_compress_ctxsize(alg);
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break;
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}
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@ -322,23 +303,19 @@ void crypto_shoot_alg(struct crypto_alg *alg)
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}
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EXPORT_SYMBOL_GPL(crypto_shoot_alg);
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struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 flags)
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struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg)
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{
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struct crypto_tfm *tfm = NULL;
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unsigned int tfm_size;
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int err = -ENOMEM;
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tfm_size = sizeof(*tfm) + crypto_ctxsize(alg, flags);
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tfm_size = sizeof(*tfm) + crypto_ctxsize(alg);
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tfm = kzalloc(tfm_size, GFP_KERNEL);
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if (tfm == NULL)
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goto out_err;
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tfm->__crt_alg = alg;
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err = crypto_init_flags(tfm, flags);
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if (err)
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goto out_free_tfm;
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err = crypto_init_ops(tfm);
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if (err)
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goto out_free_tfm;
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@ -362,31 +339,6 @@ out:
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}
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EXPORT_SYMBOL_GPL(__crypto_alloc_tfm);
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struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
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{
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struct crypto_tfm *tfm = NULL;
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int err;
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do {
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struct crypto_alg *alg;
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alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC);
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err = PTR_ERR(alg);
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if (IS_ERR(alg))
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continue;
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tfm = __crypto_alloc_tfm(alg, flags);
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err = 0;
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if (IS_ERR(tfm)) {
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crypto_mod_put(alg);
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err = PTR_ERR(tfm);
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tfm = NULL;
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}
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} while (err == -EAGAIN && !signal_pending(current));
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return tfm;
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}
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/*
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* crypto_alloc_base - Locate algorithm and allocate transform
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* @alg_name: Name of algorithm
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@ -420,7 +372,7 @@ struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask)
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goto err;
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}
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tfm = __crypto_alloc_tfm(alg, 0);
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tfm = __crypto_alloc_tfm(alg);
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if (!IS_ERR(tfm))
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return tfm;
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@ -466,7 +418,6 @@ void crypto_free_tfm(struct crypto_tfm *tfm)
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kfree(tfm);
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}
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EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
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EXPORT_SYMBOL_GPL(crypto_free_tfm);
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int crypto_has_alg(const char *name, u32 type, u32 mask)
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447
crypto/cipher.c
447
crypto/cipher.c
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@ -12,274 +12,13 @@
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* any later version.
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*
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*/
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#include <linux/compiler.h>
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#include <linux/kernel.h>
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#include <linux/crypto.h>
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#include <linux/errno.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/scatterlist.h>
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#include <linux/string.h>
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#include <asm/scatterlist.h>
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#include "internal.h"
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#include "scatterwalk.h"
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struct cipher_alg_compat {
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unsigned int cia_min_keysize;
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unsigned int cia_max_keysize;
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int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key,
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unsigned int keylen);
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void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
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void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
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unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes);
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unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes);
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unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes);
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unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes);
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};
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static inline void xor_64(u8 *a, const u8 *b)
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{
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((u32 *)a)[0] ^= ((u32 *)b)[0];
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((u32 *)a)[1] ^= ((u32 *)b)[1];
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}
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static inline void xor_128(u8 *a, const u8 *b)
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{
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((u32 *)a)[0] ^= ((u32 *)b)[0];
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((u32 *)a)[1] ^= ((u32 *)b)[1];
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((u32 *)a)[2] ^= ((u32 *)b)[2];
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((u32 *)a)[3] ^= ((u32 *)b)[3];
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}
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static unsigned int crypt_slow(const struct cipher_desc *desc,
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struct scatter_walk *in,
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struct scatter_walk *out, unsigned int bsize)
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{
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unsigned long alignmask = crypto_tfm_alg_alignmask(desc->tfm);
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u8 buffer[bsize * 2 + alignmask];
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u8 *src = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
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u8 *dst = src + bsize;
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scatterwalk_copychunks(src, in, bsize, 0);
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desc->prfn(desc, dst, src, bsize);
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scatterwalk_copychunks(dst, out, bsize, 1);
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return bsize;
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}
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static inline unsigned int crypt_fast(const struct cipher_desc *desc,
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struct scatter_walk *in,
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struct scatter_walk *out,
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unsigned int nbytes, u8 *tmp)
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{
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u8 *src, *dst;
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u8 *real_src, *real_dst;
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real_src = scatterwalk_map(in, 0);
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real_dst = scatterwalk_map(out, 1);
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src = real_src;
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dst = scatterwalk_samebuf(in, out) ? src : real_dst;
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if (tmp) {
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memcpy(tmp, src, nbytes);
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src = tmp;
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dst = tmp;
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}
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nbytes = desc->prfn(desc, dst, src, nbytes);
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if (tmp)
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memcpy(real_dst, tmp, nbytes);
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scatterwalk_unmap(real_src, 0);
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scatterwalk_unmap(real_dst, 1);
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scatterwalk_advance(in, nbytes);
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scatterwalk_advance(out, nbytes);
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return nbytes;
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}
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/*
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* Generic encrypt/decrypt wrapper for ciphers, handles operations across
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* multiple page boundaries by using temporary blocks. In user context,
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* the kernel is given a chance to schedule us once per page.
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*/
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static int crypt(const struct cipher_desc *desc,
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struct scatterlist *dst,
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struct scatterlist *src,
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unsigned int nbytes)
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{
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struct scatter_walk walk_in, walk_out;
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struct crypto_tfm *tfm = desc->tfm;
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const unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
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unsigned int alignmask = crypto_tfm_alg_alignmask(tfm);
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unsigned long buffer = 0;
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if (!nbytes)
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return 0;
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if (nbytes % bsize) {
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tfm->crt_flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
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return -EINVAL;
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}
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scatterwalk_start(&walk_in, src);
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scatterwalk_start(&walk_out, dst);
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for(;;) {
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unsigned int n = nbytes;
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u8 *tmp = NULL;
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if (!scatterwalk_aligned(&walk_in, alignmask) ||
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!scatterwalk_aligned(&walk_out, alignmask)) {
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if (!buffer) {
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buffer = __get_free_page(GFP_ATOMIC);
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if (!buffer)
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n = 0;
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}
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tmp = (u8 *)buffer;
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}
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n = scatterwalk_clamp(&walk_in, n);
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n = scatterwalk_clamp(&walk_out, n);
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if (likely(n >= bsize))
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n = crypt_fast(desc, &walk_in, &walk_out, n, tmp);
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else
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n = crypt_slow(desc, &walk_in, &walk_out, bsize);
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nbytes -= n;
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scatterwalk_done(&walk_in, 0, nbytes);
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scatterwalk_done(&walk_out, 1, nbytes);
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if (!nbytes)
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break;
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crypto_yield(tfm->crt_flags);
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}
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if (buffer)
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free_page(buffer);
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return 0;
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}
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static int crypt_iv_unaligned(struct cipher_desc *desc,
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struct scatterlist *dst,
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struct scatterlist *src,
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unsigned int nbytes)
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{
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struct crypto_tfm *tfm = desc->tfm;
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unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
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u8 *iv = desc->info;
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if (unlikely(((unsigned long)iv & alignmask))) {
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unsigned int ivsize = tfm->crt_cipher.cit_ivsize;
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u8 buffer[ivsize + alignmask];
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u8 *tmp = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
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int err;
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desc->info = memcpy(tmp, iv, ivsize);
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err = crypt(desc, dst, src, nbytes);
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memcpy(iv, tmp, ivsize);
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return err;
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}
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return crypt(desc, dst, src, nbytes);
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}
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static unsigned int cbc_process_encrypt(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes)
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{
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struct crypto_tfm *tfm = desc->tfm;
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void (*xor)(u8 *, const u8 *) = tfm->crt_u.cipher.cit_xor_block;
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int bsize = crypto_tfm_alg_blocksize(tfm);
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void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
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u8 *iv = desc->info;
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unsigned int done = 0;
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nbytes -= bsize;
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do {
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xor(iv, src);
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fn(tfm, dst, iv);
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memcpy(iv, dst, bsize);
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src += bsize;
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dst += bsize;
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} while ((done += bsize) <= nbytes);
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return done;
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}
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static unsigned int cbc_process_decrypt(const struct cipher_desc *desc,
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u8 *dst, const u8 *src,
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unsigned int nbytes)
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{
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struct crypto_tfm *tfm = desc->tfm;
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void (*xor)(u8 *, const u8 *) = tfm->crt_u.cipher.cit_xor_block;
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int bsize = crypto_tfm_alg_blocksize(tfm);
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unsigned long alignmask = crypto_tfm_alg_alignmask(desc->tfm);
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u8 stack[src == dst ? bsize + alignmask : 0];
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u8 *buf = (u8 *)ALIGN((unsigned long)stack, alignmask + 1);
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u8 **dst_p = src == dst ? &buf : &dst;
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void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
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u8 *iv = desc->info;
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unsigned int done = 0;
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nbytes -= bsize;
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do {
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u8 *tmp_dst = *dst_p;
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fn(tfm, tmp_dst, src);
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xor(tmp_dst, iv);
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memcpy(iv, src, bsize);
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if (tmp_dst != dst)
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memcpy(dst, tmp_dst, bsize);
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src += bsize;
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dst += bsize;
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} while ((done += bsize) <= nbytes);
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return done;
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}
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static unsigned int ecb_process(const struct cipher_desc *desc, u8 *dst,
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const u8 *src, unsigned int nbytes)
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{
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struct crypto_tfm *tfm = desc->tfm;
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int bsize = crypto_tfm_alg_blocksize(tfm);
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void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
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unsigned int done = 0;
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nbytes -= bsize;
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do {
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fn(tfm, dst, src);
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src += bsize;
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dst += bsize;
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} while ((done += bsize) <= nbytes);
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return done;
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}
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static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
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{
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|
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@ -293,122 +32,6 @@ static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
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return cia->cia_setkey(tfm, key, keylen);
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}
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|
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static int ecb_encrypt(struct crypto_tfm *tfm,
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struct scatterlist *dst,
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struct scatterlist *src, unsigned int nbytes)
|
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{
|
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struct cipher_desc desc;
|
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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|
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desc.tfm = tfm;
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desc.crfn = cipher->cia_encrypt;
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desc.prfn = cipher->cia_encrypt_ecb ?: ecb_process;
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|
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return crypt(&desc, dst, src, nbytes);
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}
|
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|
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static int ecb_decrypt(struct crypto_tfm *tfm,
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struct scatterlist *dst,
|
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struct scatterlist *src,
|
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unsigned int nbytes)
|
||||
{
|
||||
struct cipher_desc desc;
|
||||
struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
|
||||
|
||||
desc.tfm = tfm;
|
||||
desc.crfn = cipher->cia_decrypt;
|
||||
desc.prfn = cipher->cia_decrypt_ecb ?: ecb_process;
|
||||
|
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return crypt(&desc, dst, src, nbytes);
|
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}
|
||||
|
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static int cbc_encrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes)
|
||||
{
|
||||
struct cipher_desc desc;
|
||||
struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
|
||||
|
||||
desc.tfm = tfm;
|
||||
desc.crfn = cipher->cia_encrypt;
|
||||
desc.prfn = cipher->cia_encrypt_cbc ?: cbc_process_encrypt;
|
||||
desc.info = tfm->crt_cipher.cit_iv;
|
||||
|
||||
return crypt(&desc, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int cbc_encrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv)
|
||||
{
|
||||
struct cipher_desc desc;
|
||||
struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
|
||||
|
||||
desc.tfm = tfm;
|
||||
desc.crfn = cipher->cia_encrypt;
|
||||
desc.prfn = cipher->cia_encrypt_cbc ?: cbc_process_encrypt;
|
||||
desc.info = iv;
|
||||
|
||||
return crypt_iv_unaligned(&desc, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int cbc_decrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes)
|
||||
{
|
||||
struct cipher_desc desc;
|
||||
struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
|
||||
|
||||
desc.tfm = tfm;
|
||||
desc.crfn = cipher->cia_decrypt;
|
||||
desc.prfn = cipher->cia_decrypt_cbc ?: cbc_process_decrypt;
|
||||
desc.info = tfm->crt_cipher.cit_iv;
|
||||
|
||||
return crypt(&desc, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int cbc_decrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv)
|
||||
{
|
||||
struct cipher_desc desc;
|
||||
struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
|
||||
|
||||
desc.tfm = tfm;
|
||||
desc.crfn = cipher->cia_decrypt;
|
||||
desc.prfn = cipher->cia_decrypt_cbc ?: cbc_process_decrypt;
|
||||
desc.info = iv;
|
||||
|
||||
return crypt_iv_unaligned(&desc, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int nocrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
static int nocrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags)
|
||||
{
|
||||
u32 mode = flags & CRYPTO_TFM_MODE_MASK;
|
||||
tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void cipher_crypt_unaligned(void (*fn)(struct crypto_tfm *, u8 *,
|
||||
const u8 *),
|
||||
struct crypto_tfm *tfm,
|
||||
|
|
@ -454,7 +77,6 @@ static void cipher_decrypt_unaligned(struct crypto_tfm *tfm,
|
|||
|
||||
int crypto_init_cipher_ops(struct crypto_tfm *tfm)
|
||||
{
|
||||
int ret = 0;
|
||||
struct cipher_tfm *ops = &tfm->crt_cipher;
|
||||
struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
|
||||
|
||||
|
|
@ -464,70 +86,7 @@ int crypto_init_cipher_ops(struct crypto_tfm *tfm)
|
|||
ops->cit_decrypt_one = crypto_tfm_alg_alignmask(tfm) ?
|
||||
cipher_decrypt_unaligned : cipher->cia_decrypt;
|
||||
|
||||
switch (tfm->crt_cipher.cit_mode) {
|
||||
case CRYPTO_TFM_MODE_ECB:
|
||||
ops->cit_encrypt = ecb_encrypt;
|
||||
ops->cit_decrypt = ecb_decrypt;
|
||||
ops->cit_encrypt_iv = nocrypt_iv;
|
||||
ops->cit_decrypt_iv = nocrypt_iv;
|
||||
break;
|
||||
|
||||
case CRYPTO_TFM_MODE_CBC:
|
||||
ops->cit_encrypt = cbc_encrypt;
|
||||
ops->cit_decrypt = cbc_decrypt;
|
||||
ops->cit_encrypt_iv = cbc_encrypt_iv;
|
||||
ops->cit_decrypt_iv = cbc_decrypt_iv;
|
||||
break;
|
||||
|
||||
case CRYPTO_TFM_MODE_CFB:
|
||||
ops->cit_encrypt = nocrypt;
|
||||
ops->cit_decrypt = nocrypt;
|
||||
ops->cit_encrypt_iv = nocrypt_iv;
|
||||
ops->cit_decrypt_iv = nocrypt_iv;
|
||||
break;
|
||||
|
||||
case CRYPTO_TFM_MODE_CTR:
|
||||
ops->cit_encrypt = nocrypt;
|
||||
ops->cit_decrypt = nocrypt;
|
||||
ops->cit_encrypt_iv = nocrypt_iv;
|
||||
ops->cit_decrypt_iv = nocrypt_iv;
|
||||
break;
|
||||
|
||||
default:
|
||||
BUG();
|
||||
}
|
||||
|
||||
if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) {
|
||||
unsigned long align;
|
||||
unsigned long addr;
|
||||
|
||||
switch (crypto_tfm_alg_blocksize(tfm)) {
|
||||
case 8:
|
||||
ops->cit_xor_block = xor_64;
|
||||
break;
|
||||
|
||||
case 16:
|
||||
ops->cit_xor_block = xor_128;
|
||||
break;
|
||||
|
||||
default:
|
||||
printk(KERN_WARNING "%s: block size %u not supported\n",
|
||||
crypto_tfm_alg_name(tfm),
|
||||
crypto_tfm_alg_blocksize(tfm));
|
||||
ret = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
ops->cit_ivsize = crypto_tfm_alg_blocksize(tfm);
|
||||
align = crypto_tfm_alg_alignmask(tfm) + 1;
|
||||
addr = (unsigned long)crypto_tfm_ctx(tfm);
|
||||
addr = ALIGN(addr, align);
|
||||
addr += ALIGN(tfm->__crt_alg->cra_ctxsize, align);
|
||||
ops->cit_iv = (void *)addr;
|
||||
}
|
||||
|
||||
out:
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
|
||||
|
|
|
|||
|
|
@ -34,11 +34,6 @@ static int crypto_decompress(struct crypto_tfm *tfm,
|
|||
dlen);
|
||||
}
|
||||
|
||||
int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags)
|
||||
{
|
||||
return flags ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
int crypto_init_compress_ops(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct compress_tfm *ops = &tfm->crt_compress;
|
||||
|
|
|
|||
|
|
@ -136,11 +136,6 @@ static int digest(struct hash_desc *desc,
|
|||
return final(desc, out);
|
||||
}
|
||||
|
||||
int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags)
|
||||
{
|
||||
return flags ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
int crypto_init_digest_ops(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct hash_tfm *ops = &tfm->crt_hash;
|
||||
|
|
|
|||
|
|
@ -83,8 +83,7 @@ static inline void crypto_exit_proc(void)
|
|||
{ }
|
||||
#endif
|
||||
|
||||
static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg,
|
||||
int flags)
|
||||
static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg)
|
||||
{
|
||||
unsigned int len = alg->cra_ctxsize;
|
||||
|
||||
|
|
@ -96,23 +95,12 @@ static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg,
|
|||
return len;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg,
|
||||
int flags)
|
||||
static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
|
||||
{
|
||||
unsigned int len = alg->cra_ctxsize;
|
||||
|
||||
switch (flags & CRYPTO_TFM_MODE_MASK) {
|
||||
case CRYPTO_TFM_MODE_CBC:
|
||||
len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
|
||||
len += alg->cra_blocksize;
|
||||
break;
|
||||
return alg->cra_ctxsize;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg,
|
||||
int flags)
|
||||
static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg)
|
||||
{
|
||||
return alg->cra_ctxsize;
|
||||
}
|
||||
|
|
@ -121,10 +109,6 @@ struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
|
|||
struct crypto_alg *__crypto_alg_lookup(const char *name, u32 type, u32 mask);
|
||||
struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
|
||||
|
||||
int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags);
|
||||
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags);
|
||||
int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags);
|
||||
|
||||
int crypto_init_digest_ops(struct crypto_tfm *tfm);
|
||||
int crypto_init_cipher_ops(struct crypto_tfm *tfm);
|
||||
int crypto_init_compress_ops(struct crypto_tfm *tfm);
|
||||
|
|
@ -136,7 +120,7 @@ void crypto_exit_compress_ops(struct crypto_tfm *tfm);
|
|||
void crypto_larval_error(const char *name, u32 type, u32 mask);
|
||||
|
||||
void crypto_shoot_alg(struct crypto_alg *alg);
|
||||
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 flags);
|
||||
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg);
|
||||
|
||||
int crypto_register_instance(struct crypto_template *tmpl,
|
||||
struct crypto_instance *inst);
|
||||
|
|
|
|||
|
|
@ -828,9 +828,7 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat)
|
|||
mutex_unlock(&crypt_stat->cs_tfm_mutex);
|
||||
goto out;
|
||||
}
|
||||
crypto_blkcipher_set_flags(crypt_stat->tfm,
|
||||
(ECRYPTFS_DEFAULT_CHAINING_MODE
|
||||
| CRYPTO_TFM_REQ_WEAK_KEY));
|
||||
crypto_blkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
|
||||
mutex_unlock(&crypt_stat->cs_tfm_mutex);
|
||||
rc = 0;
|
||||
out:
|
||||
|
|
|
|||
|
|
@ -176,7 +176,6 @@ ecryptfs_get_key_payload_data(struct key *key)
|
|||
#define ECRYPTFS_FILE_SIZE_BYTES 8
|
||||
#define ECRYPTFS_DEFAULT_CIPHER "aes"
|
||||
#define ECRYPTFS_DEFAULT_KEY_BYTES 16
|
||||
#define ECRYPTFS_DEFAULT_CHAINING_MODE CRYPTO_TFM_MODE_CBC
|
||||
#define ECRYPTFS_DEFAULT_HASH "md5"
|
||||
#define ECRYPTFS_TAG_3_PACKET_TYPE 0x8C
|
||||
#define ECRYPTFS_TAG_11_PACKET_TYPE 0xED
|
||||
|
|
|
|||
|
|
@ -51,15 +51,9 @@
|
|||
/*
|
||||
* Transform masks and values (for crt_flags).
|
||||
*/
|
||||
#define CRYPTO_TFM_MODE_MASK 0x000000ff
|
||||
#define CRYPTO_TFM_REQ_MASK 0x000fff00
|
||||
#define CRYPTO_TFM_RES_MASK 0xfff00000
|
||||
|
||||
#define CRYPTO_TFM_MODE_ECB 0x00000001
|
||||
#define CRYPTO_TFM_MODE_CBC 0x00000002
|
||||
#define CRYPTO_TFM_MODE_CFB 0x00000004
|
||||
#define CRYPTO_TFM_MODE_CTR 0x00000008
|
||||
|
||||
#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
|
||||
#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
|
||||
#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
|
||||
|
|
@ -71,12 +65,8 @@
|
|||
/*
|
||||
* Miscellaneous stuff.
|
||||
*/
|
||||
#define CRYPTO_UNSPEC 0
|
||||
#define CRYPTO_MAX_ALG_NAME 64
|
||||
|
||||
#define CRYPTO_DIR_ENCRYPT 1
|
||||
#define CRYPTO_DIR_DECRYPT 0
|
||||
|
||||
/*
|
||||
* The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
|
||||
* declaration) is used to ensure that the crypto_tfm context structure is
|
||||
|
|
@ -148,19 +138,6 @@ struct cipher_alg {
|
|||
unsigned int keylen);
|
||||
void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
|
||||
void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
|
||||
|
||||
unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
|
||||
u8 *dst, const u8 *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
|
||||
u8 *dst, const u8 *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
|
||||
u8 *dst, const u8 *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
|
||||
u8 *dst, const u8 *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
};
|
||||
|
||||
struct digest_alg {
|
||||
|
|
@ -243,11 +220,6 @@ int crypto_unregister_alg(struct crypto_alg *alg);
|
|||
#ifdef CONFIG_CRYPTO
|
||||
int crypto_has_alg(const char *name, u32 type, u32 mask);
|
||||
#else
|
||||
static inline int crypto_alg_available(const char *name, u32 flags)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
|
||||
{
|
||||
return 0;
|
||||
|
|
@ -395,40 +367,11 @@ static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
|
|||
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
|
||||
}
|
||||
|
||||
static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
|
||||
__deprecated;
|
||||
static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->__crt_alg->cra_cipher.cia_min_keysize;
|
||||
}
|
||||
|
||||
static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
|
||||
__deprecated;
|
||||
static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->__crt_alg->cra_cipher.cia_max_keysize;
|
||||
}
|
||||
|
||||
static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated;
|
||||
static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->crt_cipher.cit_ivsize;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
|
||||
{
|
||||
return tfm->__crt_alg->cra_blocksize;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
|
||||
return tfm->__crt_alg->cra_digest.dia_digestsize;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
|
||||
{
|
||||
return tfm->__crt_alg->cra_alignmask;
|
||||
|
|
@ -809,76 +752,6 @@ static inline int crypto_hash_setkey(struct crypto_hash *hash,
|
|||
return crypto_hash_crt(hash)->setkey(hash, key, keylen);
|
||||
}
|
||||
|
||||
static int crypto_cipher_encrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv) __deprecated;
|
||||
static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
|
||||
}
|
||||
|
||||
static int crypto_cipher_decrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes) __deprecated;
|
||||
static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
|
||||
}
|
||||
|
||||
static int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv) __deprecated;
|
||||
static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
|
||||
struct scatterlist *dst,
|
||||
struct scatterlist *src,
|
||||
unsigned int nbytes, u8 *iv)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
|
||||
}
|
||||
|
||||
static void crypto_cipher_set_iv(struct crypto_tfm *tfm,
|
||||
const u8 *src, unsigned int len) __deprecated;
|
||||
static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
|
||||
const u8 *src, unsigned int len)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
memcpy(tfm->crt_cipher.cit_iv, src, len);
|
||||
}
|
||||
|
||||
static void crypto_cipher_get_iv(struct crypto_tfm *tfm,
|
||||
u8 *dst, unsigned int len) __deprecated;
|
||||
static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
|
||||
u8 *dst, unsigned int len)
|
||||
{
|
||||
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
|
||||
memcpy(dst, tfm->crt_cipher.cit_iv, len);
|
||||
}
|
||||
|
||||
static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
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{
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return (struct crypto_comp *)tfm;
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