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-rw-r--r--include/linux/crypto.h148
1 files changed, 14 insertions, 134 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 4aa9046601da..779aa78ee643 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -51,15 +51,9 @@
51/* 51/*
52 * Transform masks and values (for crt_flags). 52 * Transform masks and values (for crt_flags).
53 */ 53 */
54#define CRYPTO_TFM_MODE_MASK 0x000000ff
55#define CRYPTO_TFM_REQ_MASK 0x000fff00 54#define CRYPTO_TFM_REQ_MASK 0x000fff00
56#define CRYPTO_TFM_RES_MASK 0xfff00000 55#define CRYPTO_TFM_RES_MASK 0xfff00000
57 56
58#define CRYPTO_TFM_MODE_ECB 0x00000001
59#define CRYPTO_TFM_MODE_CBC 0x00000002
60#define CRYPTO_TFM_MODE_CFB 0x00000004
61#define CRYPTO_TFM_MODE_CTR 0x00000008
62
63#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 57#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
64#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 58#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
65#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 59#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
@@ -71,12 +65,8 @@
71/* 65/*
72 * Miscellaneous stuff. 66 * Miscellaneous stuff.
73 */ 67 */
74#define CRYPTO_UNSPEC 0
75#define CRYPTO_MAX_ALG_NAME 64 68#define CRYPTO_MAX_ALG_NAME 64
76 69
77#define CRYPTO_DIR_ENCRYPT 1
78#define CRYPTO_DIR_DECRYPT 0
79
80/* 70/*
81 * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual 71 * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
82 * declaration) is used to ensure that the crypto_tfm context structure is 72 * declaration) is used to ensure that the crypto_tfm context structure is
@@ -148,19 +138,6 @@ struct cipher_alg {
148 unsigned int keylen); 138 unsigned int keylen);
149 void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); 139 void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
150 void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); 140 void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
151
152 unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
153 u8 *dst, const u8 *src,
154 unsigned int nbytes) __deprecated;
155 unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
156 u8 *dst, const u8 *src,
157 unsigned int nbytes) __deprecated;
158 unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
159 u8 *dst, const u8 *src,
160 unsigned int nbytes) __deprecated;
161 unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
162 u8 *dst, const u8 *src,
163 unsigned int nbytes) __deprecated;
164}; 141};
165 142
166struct digest_alg { 143struct digest_alg {
@@ -243,11 +220,6 @@ int crypto_unregister_alg(struct crypto_alg *alg);
243#ifdef CONFIG_CRYPTO 220#ifdef CONFIG_CRYPTO
244int crypto_has_alg(const char *name, u32 type, u32 mask); 221int crypto_has_alg(const char *name, u32 type, u32 mask);
245#else 222#else
246static inline int crypto_alg_available(const char *name, u32 flags)
247{
248 return 0;
249}
250
251static inline int crypto_has_alg(const char *name, u32 type, u32 mask) 223static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
252{ 224{
253 return 0; 225 return 0;
@@ -339,13 +311,18 @@ struct crypto_tfm {
339 void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; 311 void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
340}; 312};
341 313
342#define crypto_cipher crypto_tfm
343#define crypto_comp crypto_tfm
344
345struct crypto_blkcipher { 314struct crypto_blkcipher {
346 struct crypto_tfm base; 315 struct crypto_tfm base;
347}; 316};
348 317
318struct crypto_cipher {
319 struct crypto_tfm base;
320};
321
322struct crypto_comp {
323 struct crypto_tfm base;
324};
325
349struct crypto_hash { 326struct crypto_hash {
350 struct crypto_tfm base; 327 struct crypto_tfm base;
351}; 328};
@@ -395,40 +372,11 @@ static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
395 return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; 372 return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
396} 373}
397 374
398static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
399 __deprecated;
400static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
401{
402 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
403 return tfm->__crt_alg->cra_cipher.cia_min_keysize;
404}
405
406static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
407 __deprecated;
408static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
409{
410 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
411 return tfm->__crt_alg->cra_cipher.cia_max_keysize;
412}
413
414static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated;
415static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
416{
417 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
418 return tfm->crt_cipher.cit_ivsize;
419}
420
421static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) 375static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
422{ 376{
423 return tfm->__crt_alg->cra_blocksize; 377 return tfm->__crt_alg->cra_blocksize;
424} 378}
425 379
426static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
427{
428 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
429 return tfm->__crt_alg->cra_digest.dia_digestsize;
430}
431
432static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) 380static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
433{ 381{
434 return tfm->__crt_alg->cra_alignmask; 382 return tfm->__crt_alg->cra_alignmask;
@@ -633,7 +581,7 @@ static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
633 581
634static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) 582static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
635{ 583{
636 return tfm; 584 return &tfm->base;
637} 585}
638 586
639static inline void crypto_free_cipher(struct crypto_cipher *tfm) 587static inline void crypto_free_cipher(struct crypto_cipher *tfm)
@@ -809,76 +757,6 @@ static inline int crypto_hash_setkey(struct crypto_hash *hash,
809 return crypto_hash_crt(hash)->setkey(hash, key, keylen); 757 return crypto_hash_crt(hash)->setkey(hash, key, keylen);
810} 758}
811 759
812static int crypto_cipher_encrypt(struct crypto_tfm *tfm,
813 struct scatterlist *dst,
814 struct scatterlist *src,
815 unsigned int nbytes) __deprecated;
816static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
817 struct scatterlist *dst,
818 struct scatterlist *src,
819 unsigned int nbytes)
820{
821 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
822 return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
823}
824
825static int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
826 struct scatterlist *dst,
827 struct scatterlist *src,
828 unsigned int nbytes, u8 *iv) __deprecated;
829static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
830 struct scatterlist *dst,
831 struct scatterlist *src,
832 unsigned int nbytes, u8 *iv)
833{
834 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
835 return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
836}
837
838static int crypto_cipher_decrypt(struct crypto_tfm *tfm,
839 struct scatterlist *dst,
840 struct scatterlist *src,
841 unsigned int nbytes) __deprecated;
842static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
843 struct scatterlist *dst,
844 struct scatterlist *src,
845 unsigned int nbytes)
846{
847 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
848 return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
849}
850
851static int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
852 struct scatterlist *dst,
853 struct scatterlist *src,
854 unsigned int nbytes, u8 *iv) __deprecated;
855static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
856 struct scatterlist *dst,
857 struct scatterlist *src,
858 unsigned int nbytes, u8 *iv)
859{
860 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
861 return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
862}
863
864static void crypto_cipher_set_iv(struct crypto_tfm *tfm,
865 const u8 *src, unsigned int len) __deprecated;
866static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
867 const u8 *src, unsigned int len)
868{
869 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
870 memcpy(tfm->crt_cipher.cit_iv, src, len);
871}
872
873static void crypto_cipher_get_iv(struct crypto_tfm *tfm,
874 u8 *dst, unsigned int len) __deprecated;
875static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
876 u8 *dst, unsigned int len)
877{
878 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
879 memcpy(dst, tfm->crt_cipher.cit_iv, len);
880}
881
882static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) 760static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
883{ 761{
884 return (struct crypto_comp *)tfm; 762 return (struct crypto_comp *)tfm;
@@ -903,7 +781,7 @@ static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name,
903 781
904static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) 782static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
905{ 783{
906 return tfm; 784 return &tfm->base;
907} 785}
908 786
909static inline void crypto_free_comp(struct crypto_comp *tfm) 787static inline void crypto_free_comp(struct crypto_comp *tfm)
@@ -934,14 +812,16 @@ static inline int crypto_comp_compress(struct crypto_comp *tfm,
934 const u8 *src, unsigned int slen, 812 const u8 *src, unsigned int slen,
935 u8 *dst, unsigned int *dlen) 813 u8 *dst, unsigned int *dlen)
936{ 814{
937 return crypto_comp_crt(tfm)->cot_compress(tfm, src, slen, dst, dlen); 815 return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm),
816 src, slen, dst, dlen);
938} 817}
939 818
940static inline int crypto_comp_decompress(struct crypto_comp *tfm, 819static inline int crypto_comp_decompress(struct crypto_comp *tfm,
941 const u8 *src, unsigned int slen, 820 const u8 *src, unsigned int slen,
942 u8 *dst, unsigned int *dlen) 821 u8 *dst, unsigned int *dlen)
943{ 822{
944 return crypto_comp_crt(tfm)->cot_decompress(tfm, src, slen, dst, dlen); 823 return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm),
824 src, slen, dst, dlen);
945} 825}
946 826
947#endif /* _LINUX_CRYPTO_H */ 827#endif /* _LINUX_CRYPTO_H */