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head/sys/opencrypto/xform_des1.c
| Show First 20 Lines • Show All 47 Lines • ▼ Show 20 Lines | |||||
| */ | */ | ||||
| #include <sys/cdefs.h> | #include <sys/cdefs.h> | ||||
| __FBSDID("$FreeBSD$"); | __FBSDID("$FreeBSD$"); | ||||
| #include <crypto/des/des.h> | #include <crypto/des/des.h> | ||||
| #include <opencrypto/xform_enc.h> | #include <opencrypto/xform_enc.h> | ||||
| static int des1_setkey(u_int8_t **, u_int8_t *, int); | static int des1_setkey(u_int8_t **, const u_int8_t *, int); | ||||
| static void des1_encrypt(caddr_t, u_int8_t *); | static void des1_encrypt(caddr_t, u_int8_t *); | ||||
| static void des1_decrypt(caddr_t, u_int8_t *); | static void des1_decrypt(caddr_t, u_int8_t *); | ||||
| static void des1_zerokey(u_int8_t **); | static void des1_zerokey(u_int8_t **); | ||||
| /* Encryption instances */ | /* Encryption instances */ | ||||
| struct enc_xform enc_xform_des = { | struct enc_xform enc_xform_des = { | ||||
| CRYPTO_DES_CBC, "DES", | CRYPTO_DES_CBC, "DES", | ||||
| DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY, | DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY, | ||||
| Show All 21 Lines | |||||
| { | { | ||||
| des_cblock *cb = (des_cblock *) blk; | des_cblock *cb = (des_cblock *) blk; | ||||
| des_key_schedule *p = (des_key_schedule *) key; | des_key_schedule *p = (des_key_schedule *) key; | ||||
| des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); | des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT); | ||||
| } | } | ||||
| static int | static int | ||||
| des1_setkey(u_int8_t **sched, u_int8_t *key, int len) | des1_setkey(u_int8_t **sched, const u_int8_t *key, int len) | ||||
| { | { | ||||
| des_key_schedule *p; | des_key_schedule *p; | ||||
| int err; | int err; | ||||
| p = KMALLOC(sizeof (des_key_schedule), | p = KMALLOC(sizeof (des_key_schedule), | ||||
| M_CRYPTO_DATA, M_NOWAIT|M_ZERO); | M_CRYPTO_DATA, M_NOWAIT|M_ZERO); | ||||
| if (p != NULL) { | if (p != NULL) { | ||||
| des_set_key((des_cblock *) key, p[0]); | des_set_key((const des_cblock *) key, p[0]); | ||||
| err = 0; | err = 0; | ||||
| } else | } else | ||||
| err = ENOMEM; | err = ENOMEM; | ||||
| *sched = (u_int8_t *) p; | *sched = (u_int8_t *) p; | ||||
| return err; | return err; | ||||
| } | } | ||||
| static void | static void | ||||
| des1_zerokey(u_int8_t **sched) | des1_zerokey(u_int8_t **sched) | ||||
| { | { | ||||
| bzero(*sched, sizeof (des_key_schedule)); | bzero(*sched, sizeof (des_key_schedule)); | ||||
| KFREE(*sched, M_CRYPTO_DATA); | KFREE(*sched, M_CRYPTO_DATA); | ||||
| *sched = NULL; | *sched = NULL; | ||||
| } | } | ||||