xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

libsec: add chacha cipher (from charles forsyth)

Browse source
This commit is contained in:
cinap_lenrek 2015-10-22 07:48:26 +02:00
parent 7effba9d98
commit 847f3a0cf5
5 changed files with 370 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

31
sys/include/libsec.h
View file

@ -70,6 +70,37 @@ void bfCBCdecrypt(uchar*, int, BFstate*);
void bfECBencrypt(uchar*, int, BFstate*);
void bfECBdecrypt(uchar*, int, BFstate*);
/*
* Chacha definitions
*/
enum
{
ChachaBsize= 64,
ChachaKeylen= 256/8,
ChachaIVlen= 96/8,
};
typedef struct Chachastate Chachastate;
struct Chachastate
{
union{
u32int input[16];
struct {
u32int constant[4];
u32int key[8];
u32int counter;
u32int iv[3];
};
};
int rounds;
};
void setupChachastate(Chachastate*, uchar*, ulong, uchar*, int);
void chacha_setblock(Chachastate*, u32int);
void chacha_encrypt(uchar*, ulong, Chachastate*);
void chacha_encrypt2(uchar*, uchar*, ulong, Chachastate*);
/*
* DES definitions
*/