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Differential D24906 Diff 71965 sys/opencrypto/xform_enc.h

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sys/opencrypto/xform_enc.h

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#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */ #define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
/* Declarations */ /* Declarations */
struct enc_xform { struct enc_xform {
int type; int type;
char *name; char *name;
size_t ctxsize; size_t ctxsize;
u_int16_t blocksize; /* Required input block size -- 1 for stream ciphers. */ u_int16_t blocksize; /* Required input block size -- 1 for stream ciphers. */
uint16_t native_blocksize; /* Used for stream ciphers. */
u_int16_t ivsize; u_int16_t ivsize;
u_int16_t minkey, maxkey; u_int16_t minkey, maxkey;
/*
* Encrypt/decrypt a single block. For stream ciphers this
* encrypts/decrypts a single "native" block.
*/
void (*encrypt) (void *, const uint8_t *, uint8_t *); void (*encrypt) (void *, const uint8_t *, uint8_t *);
void (*decrypt) (void *, const uint8_t *, uint8_t *); void (*decrypt) (void *, const uint8_t *, uint8_t *);
int (*setkey) (void *, const uint8_t *, int len); int (*setkey) (void *, const uint8_t *, int len);
void (*reinit) (void *, const u_int8_t *); void (*reinit) (void *, const u_int8_t *);
/* /*
* Encrypt/decrypt 1+ blocks of input -- total size is 'len' bytes. * For stream ciphers, encrypt/decrypt the final partial block
* Len is guaranteed to be a multiple of the defined 'blocksize'. * of 'len' bytes.
* Optional interface -- most useful for stream ciphers with a small
* blocksize (1).
*/ */
void (*encrypt_multi) (void *, const uint8_t *, uint8_t *, size_t len); void (*encrypt_last) (void *, const uint8_t *, uint8_t *, size_t len);
void (*decrypt_multi) (void *, const uint8_t *, uint8_t *, size_t len); void (*decrypt_last) (void *, const uint8_t *, uint8_t *, size_t len);
}; };
extern struct enc_xform enc_xform_null; extern struct enc_xform enc_xform_null;
extern struct enc_xform enc_xform_blf; extern struct enc_xform enc_xform_blf;
extern struct enc_xform enc_xform_rijndael128; extern struct enc_xform enc_xform_rijndael128;
extern struct enc_xform enc_xform_aes_icm; extern struct enc_xform enc_xform_aes_icm;
extern struct enc_xform enc_xform_aes_nist_gcm; extern struct enc_xform enc_xform_aes_nist_gcm;
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