Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) #ifndef _CRYPTO_GCM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #define _CRYPTO_GCM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #define GCM_AES_IV_SIZE 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define GCM_RFC4106_IV_SIZE 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define GCM_RFC4543_IV_SIZE 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * validate authentication tag for GCM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static inline int crypto_gcm_check_authsize(unsigned int authsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	switch (authsize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	case 12:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	case 13:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	case 14:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	case 15:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	case 16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  * validate authentication tag for RFC4106
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline int crypto_rfc4106_check_authsize(unsigned int authsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	switch (authsize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	case 12:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	case 16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  * validate assoclen for RFC4106/RFC4543
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static inline int crypto_ipsec_check_assoclen(unsigned int assoclen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	switch (assoclen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	case 16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	case 20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #endif