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[CRYPTO] api: Mark parts of cipher interface as deprecated
Mark the parts of the cipher interface that have been replaced by block ciphers as deprecated. Thanks to Andrew Morton for suggesting doing this before removing them completely. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
parent
03fd9cee7f
commit
7226bc877a
2 changed files with 64 additions and 18 deletions
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@ -23,6 +23,28 @@
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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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@ -276,7 +298,7 @@ static int ecb_encrypt(struct crypto_tfm *tfm,
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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 *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_encrypt;
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@ -291,7 +313,7 @@ static int ecb_decrypt(struct crypto_tfm *tfm,
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unsigned int nbytes)
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{
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struct cipher_desc desc;
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struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_decrypt;
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@ -306,7 +328,7 @@ static int cbc_encrypt(struct crypto_tfm *tfm,
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unsigned int nbytes)
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{
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struct cipher_desc desc;
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struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_encrypt;
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@ -322,7 +344,7 @@ static int cbc_encrypt_iv(struct crypto_tfm *tfm,
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unsigned int nbytes, u8 *iv)
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{
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struct cipher_desc desc;
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struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_encrypt;
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@ -338,7 +360,7 @@ static int cbc_decrypt(struct crypto_tfm *tfm,
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unsigned int nbytes)
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{
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struct cipher_desc desc;
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struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_decrypt;
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@ -354,7 +376,7 @@ static int cbc_decrypt_iv(struct crypto_tfm *tfm,
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unsigned int nbytes, u8 *iv)
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{
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struct cipher_desc desc;
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struct cipher_alg *cipher = &tfm->__crt_alg->cra_cipher;
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struct cipher_alg_compat *cipher = (void *)&tfm->__crt_alg->cra_cipher;
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desc.tfm = tfm;
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desc.crfn = cipher->cia_decrypt;
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@ -20,7 +20,6 @@
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#include <asm/atomic.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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@ -137,16 +136,16 @@ struct cipher_alg {
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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 nbytes) __deprecated;
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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 nbytes) __deprecated;
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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 nbytes) __deprecated;
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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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unsigned int nbytes) __deprecated;
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};
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struct digest_alg {
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@ -358,18 +357,23 @@ static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
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return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
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}
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static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
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__deprecated;
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static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
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{
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BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
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return tfm->__crt_alg->cra_cipher.cia_min_keysize;
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}
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static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
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__deprecated;
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static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
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{
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BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
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return tfm->__crt_alg->cra_cipher.cia_max_keysize;
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}
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static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated;
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static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
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{
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BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
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@ -622,6 +626,13 @@ static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
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crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
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}
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static inline int crypto_cipher_setkey(struct crypto_cipher *tfm,
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const u8 *key, unsigned int keylen)
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{
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return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm),
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key, keylen);
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}
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static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
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u8 *dst, const u8 *src)
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{
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@ -671,13 +682,10 @@ static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
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return tfm->crt_digest.dit_setkey(tfm, key, keylen);
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}
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static inline int crypto_cipher_setkey(struct crypto_tfm *tfm,
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const u8 *key, unsigned int keylen)
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{
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BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
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return tfm->crt_cipher.cit_setkey(tfm, key, keylen);
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}
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static int crypto_cipher_encrypt(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) __deprecated;
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static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
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struct scatterlist *dst,
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struct scatterlist *src,
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@ -687,6 +695,10 @@ static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
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return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
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}
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static int crypto_cipher_encrypt_iv(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, u8 *iv) __deprecated;
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static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
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struct scatterlist *dst,
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struct scatterlist *src,
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@ -696,6 +708,10 @@ static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
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return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
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}
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static int crypto_cipher_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) __deprecated;
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static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
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struct scatterlist *dst,
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struct scatterlist *src,
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@ -705,6 +721,10 @@ static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
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return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
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}
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static int crypto_cipher_decrypt_iv(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, u8 *iv) __deprecated;
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static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
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struct scatterlist *dst,
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struct scatterlist *src,
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@ -714,6 +734,8 @@ static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
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return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
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}
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static void crypto_cipher_set_iv(struct crypto_tfm *tfm,
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const u8 *src, unsigned int len) __deprecated;
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static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
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const u8 *src, unsigned int len)
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{
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@ -721,6 +743,8 @@ static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
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memcpy(tfm->crt_cipher.cit_iv, src, len);
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}
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static void crypto_cipher_get_iv(struct crypto_tfm *tfm,
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u8 *dst, unsigned int len) __deprecated;
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static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
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u8 *dst, unsigned int len)
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{
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