#ifndef _CRYPTO_GCM_H#define _CRYPTO_GCM_H#include <linux/errno.h>#define GCM_AES_IV_SIZE 12#define GCM_RFC4106_IV_SIZE 8#define GCM_RFC4543_IV_SIZE 8/* * validate authentication tag for GCM */static inline int crypto_gcm_check_authsize(size_t authsize){ switch (authsize) { case 4: case 8: case 12: case 13: case 14: case 15: case 16: break; default: return -EINVAL; } return 0;}/* * validate authentication tag for RFC4106 */static inline int crypto_rfc4106_check_authsize(size_t authsize){ switch (authsize) { case 8: case 12: case 16: break; default: return -EINVAL; } return 0;}/* * validate assoclen for RFC4106/RFC4543 */static inline int crypto_ipsec_check_assoclen(unsigned int assoclen){ switch (assoclen) { case 16: case 20: break; default: return -EINVAL; } return 0;}#endif
#ifndef _CRYPTO_GCM_H
#define _CRYPTO_GCM_H
#include <linux/errno.h>
#define GCM_AES_IV_SIZE 12
#define GCM_RFC4106_IV_SIZE 8
#define GCM_RFC4543_IV_SIZE 8
/*
* validate authentication tag for GCM
*/
static inline int crypto_gcm_check_authsize(size_t authsize)
{
switch (authsize) {
case 4:
case 8:
case 12:
case 13:
case 14:
case 15:
case 16:
break;
default:
return -EINVAL;
}
return 0;
}
/*
* validate authentication tag for RFC4106
*/
static inline int crypto_rfc4106_check_authsize(size_t authsize)
{
switch (authsize) {
case 8:
case 12:
case 16:
break;
default:
return -EINVAL;
}
return 0;
}
/*
* validate assoclen for RFC4106/RFC4543
*/
static inline int crypto_ipsec_check_assoclen(unsigned int assoclen)
{
switch (assoclen) {
case 16:
case 20:
break;
default:
return -EINVAL;
}
return 0;
}
#endif