You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.9 KiB
51 lines
1.9 KiB
20 years ago
|
#ifndef PRISM2_CRYPT_H
|
||
|
|
#define PRISM2_CRYPT_H
|
||
|
|
|
||
|
|
struct hostap_crypto_ops {
|
||
|
|
char *name;
|
||
|
|
|
||
|
|
/* init new crypto context (e.g., allocate private data space,
|
||
|
|
* select IV, etc.); returns NULL on failure or pointer to allocated
|
||
|
|
* private data on success */
|
||
|
|
void * (*init)(int keyidx);
|
||
|
|
|
||
|
|
/* deinitialize crypto context and free allocated private data */
|
||
|
|
void (*deinit)(void *priv);
|
||
|
|
|
||
|
|
/* encrypt/decrypt return < 0 on error or >= 0 on success. The return
|
||
|
|
* value from decrypt_mpdu is passed as the keyidx value for
|
||
|
|
* decrypt_msdu. skb must have enough head and tail room for the
|
||
|
|
* encryption; if not, error will be returned; these functions are
|
||
|
|
* called for all MPDUs (i.e., fragments).
|
||
|
|
*/
|
||
|
|
int (*encrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv);
|
||
|
|
int (*decrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv);
|
||
|
|
|
||
|
|
/* These functions are called for full MSDUs, i.e. full frames.
|
||
|
|
* These can be NULL if full MSDU operations are not needed. */
|
||
|
|
int (*encrypt_msdu)(struct sk_buff *skb, int hdr_len, void *priv);
|
||
|
|
int (*decrypt_msdu)(struct sk_buff *skb, int keyidx, int hdr_len,
|
||
|
|
void *priv);
|
||
|
|
|
||
|
|
int (*set_key)(void *key, int len, u8 *seq, void *priv);
|
||
|
|
int (*get_key)(void *key, int len, u8 *seq, void *priv);
|
||
|
|
|
||
|
|
/* procfs handler for printing out key information and possible
|
||
|
|
* statistics */
|
||
|
|
char * (*print_stats)(char *p, void *priv);
|
||
|
|
|
||
|
|
/* maximum number of bytes added by encryption; encrypt buf is
|
||
|
|
* allocated with extra_prefix_len bytes, copy of in_buf, and
|
||
|
|
* extra_postfix_len; encrypt need not use all this space, but
|
||
|
|
* the result must start at the beginning of the buffer and correct
|
||
|
|
* length must be returned */
|
||
|
|
int extra_prefix_len, extra_postfix_len;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
int hostap_register_crypto_ops(struct hostap_crypto_ops *ops);
|
||
|
|
int hostap_unregister_crypto_ops(struct hostap_crypto_ops *ops);
|
||
|
|
struct hostap_crypto_ops * hostap_get_crypto_ops(const char *name);
|
||
|
|
|
||
|
|
#endif /* PRISM2_CRYPT_H */
|