aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/crypto.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/crypto.h')
-rw-r--r--include/linux/crypto.h103
1 files changed, 68 insertions, 35 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index f3110ebe894a..5e02d1b46370 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -33,10 +33,13 @@
#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
#define CRYPTO_ALG_TYPE_HASH 0x00000003
#define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004
-#define CRYPTO_ALG_TYPE_COMPRESS 0x00000005
-#define CRYPTO_ALG_TYPE_AEAD 0x00000006
+#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005
+#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006
+#define CRYPTO_ALG_TYPE_COMPRESS 0x00000008
+#define CRYPTO_ALG_TYPE_AEAD 0x00000009
#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
+#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c
#define CRYPTO_ALG_LARVAL 0x00000010
#define CRYPTO_ALG_DEAD 0x00000020
@@ -50,6 +53,12 @@
#define CRYPTO_ALG_NEED_FALLBACK 0x00000100
/*
+ * This bit is set for symmetric key ciphers that have already been wrapped
+ * with a generic IV generator to prevent them from being wrapped again.
+ */
+#define CRYPTO_ALG_GENIV 0x00000200
+
+/*
* Transform masks and values (for crt_flags).
*/
#define CRYPTO_TFM_REQ_MASK 0x000fff00
@@ -81,13 +90,11 @@
#define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
#elif defined(ARCH_SLAB_MINALIGN)
#define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
+#else
+#define CRYPTO_MINALIGN __alignof__(unsigned long long)
#endif
-#ifdef CRYPTO_MINALIGN
#define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
-#else
-#define CRYPTO_MINALIGN_ATTR
-#endif
struct scatterlist;
struct crypto_ablkcipher;
@@ -97,6 +104,8 @@ struct crypto_blkcipher;
struct crypto_hash;
struct crypto_tfm;
struct crypto_type;
+struct aead_givcrypt_request;
+struct skcipher_givcrypt_request;
typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -176,6 +185,10 @@ struct ablkcipher_alg {
unsigned int keylen);
int (*encrypt)(struct ablkcipher_request *req);
int (*decrypt)(struct ablkcipher_request *req);
+ int (*givencrypt)(struct skcipher_givcrypt_request *req);
+ int (*givdecrypt)(struct skcipher_givcrypt_request *req);
+
+ const char *geniv;
unsigned int min_keysize;
unsigned int max_keysize;
@@ -185,11 +198,16 @@ struct ablkcipher_alg {
struct aead_alg {
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen);
+ int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
int (*encrypt)(struct aead_request *req);
int (*decrypt)(struct aead_request *req);
+ int (*givencrypt)(struct aead_givcrypt_request *req);
+ int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+ const char *geniv;
unsigned int ivsize;
- unsigned int authsize;
+ unsigned int maxauthsize;
};
struct blkcipher_alg {
@@ -202,6 +220,8 @@ struct blkcipher_alg {
struct scatterlist *dst, struct scatterlist *src,
unsigned int nbytes);
+ const char *geniv;
+
unsigned int min_keysize;
unsigned int max_keysize;
unsigned int ivsize;
@@ -317,6 +337,11 @@ struct ablkcipher_tfm {
unsigned int keylen);
int (*encrypt)(struct ablkcipher_request *req);
int (*decrypt)(struct ablkcipher_request *req);
+ int (*givencrypt)(struct skcipher_givcrypt_request *req);
+ int (*givdecrypt)(struct skcipher_givcrypt_request *req);
+
+ struct crypto_ablkcipher *base;
+
unsigned int ivsize;
unsigned int reqsize;
};
@@ -326,6 +351,11 @@ struct aead_tfm {
unsigned int keylen);
int (*encrypt)(struct aead_request *req);
int (*decrypt)(struct aead_request *req);
+ int (*givencrypt)(struct aead_givcrypt_request *req);
+ int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+ struct crypto_aead *base;
+
unsigned int ivsize;
unsigned int authsize;
unsigned int reqsize;
@@ -525,17 +555,23 @@ static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast(
return (struct crypto_ablkcipher *)tfm;
}
-static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher(
- const char *alg_name, u32 type, u32 mask)
+static inline u32 crypto_skcipher_type(u32 type)
{
- type &= ~CRYPTO_ALG_TYPE_MASK;
+ type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
+ return type;
+}
- return __crypto_ablkcipher_cast(
- crypto_alloc_base(alg_name, type, mask));
+static inline u32 crypto_skcipher_mask(u32 mask)
+{
+ mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
+ mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
+ return mask;
}
+struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
+ u32 type, u32 mask);
+
static inline struct crypto_tfm *crypto_ablkcipher_tfm(
struct crypto_ablkcipher *tfm)
{
@@ -550,11 +586,8 @@ static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm)
static inline int crypto_has_ablkcipher(const char *alg_name, u32 type,
u32 mask)
{
- type &= ~CRYPTO_ALG_TYPE_MASK;
- type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
-
- return crypto_has_alg(alg_name, type, mask);
+ return crypto_has_alg(alg_name, crypto_skcipher_type(type),
+ crypto_skcipher_mask(mask));
}
static inline struct ablkcipher_tfm *crypto_ablkcipher_crt(
@@ -601,7 +634,9 @@ static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm,
static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
const u8 *key, unsigned int keylen)
{
- return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen);
+ struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm);
+
+ return crt->setkey(crt->base, key, keylen);
}
static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm(
@@ -633,7 +668,7 @@ static inline unsigned int crypto_ablkcipher_reqsize(
static inline void ablkcipher_request_set_tfm(
struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
{
- req->base.tfm = crypto_ablkcipher_tfm(tfm);
+ req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base);
}
static inline struct ablkcipher_request *ablkcipher_request_cast(
@@ -686,15 +721,7 @@ static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm)
return (struct crypto_aead *)tfm;
}
-static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name,
- u32 type, u32 mask)
-{
- type &= ~CRYPTO_ALG_TYPE_MASK;
- type |= CRYPTO_ALG_TYPE_AEAD;
- mask |= CRYPTO_ALG_TYPE_MASK;
-
- return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask));
-}
+struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask);
static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm)
{
@@ -749,9 +776,13 @@ static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags)
static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen)
{
- return crypto_aead_crt(tfm)->setkey(tfm, key, keylen);
+ struct aead_tfm *crt = crypto_aead_crt(tfm);
+
+ return crt->setkey(crt->base, key, keylen);
}
+int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize);
+
static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req)
{
return __crypto_aead_cast(req->base.tfm);
@@ -775,7 +806,7 @@ static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
static inline void aead_request_set_tfm(struct aead_request *req,
struct crypto_aead *tfm)
{
- req->base.tfm = crypto_aead_tfm(tfm);
+ req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
}
static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,
@@ -841,9 +872,9 @@ static inline struct crypto_blkcipher *crypto_blkcipher_cast(
static inline struct crypto_blkcipher *crypto_alloc_blkcipher(
const char *alg_name, u32 type, u32 mask)
{
- type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+ type &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+ mask |= CRYPTO_ALG_TYPE_MASK;
return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask));
}
@@ -861,9 +892,9 @@ static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm)
static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask)
{
- type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+ type &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+ mask |= CRYPTO_ALG_TYPE_MASK;
return crypto_has_alg(alg_name, type, mask);
}
@@ -1081,6 +1112,7 @@ static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;
@@ -1100,6 +1132,7 @@ static inline void crypto_free_hash(struct crypto_hash *tfm)
static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
+ mask &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_HASH;
mask |= CRYPTO_ALG_TYPE_HASH_MASK;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.