diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2016-01-19 12:50:33 +0100 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2016-01-19 12:50:33 +0100 |
| commit | 7cf11db685832db42b6cbb33f9eca99db6ff4fcf (patch) | |
| tree | 0d7049c6fdaf251c83a020877fcd10e4b6469a3b /sys/include/libsec.h | |
| parent | 7b31d5e494815d76fa04c3631992d6eb5ea0b372 (diff) | |
libsec: add salsa20 stream cipher
Diffstat (limited to 'sys/include/libsec.h')
| -rw-r--r-- | sys/include/libsec.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/include/libsec.h b/sys/include/libsec.h index 86cb342e5..204ca4d26 100644 --- a/sys/include/libsec.h +++ b/sys/include/libsec.h @@ -107,6 +107,34 @@ void ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16 int ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs); /* + * Salsa definitions + */ +enum +{ + SalsaBsize= 64, + SalsaKeylen= 256/8, + SalsaIVlen= 64/8, + XSalsaIVlen= 192/8, +}; + +typedef struct Salsastate Salsastate; +struct Salsastate +{ + u32int input[16]; + u32int key[8]; + int rounds; + int ivwords; +}; + +void setupSalsastate(Salsastate*, uchar*, ulong, uchar*, ulong, int); +void salsa_setiv(Salsastate*, uchar*); +void salsa_setblock(Salsastate*, u64int); +void salsa_encrypt(uchar*, ulong, Salsastate*); +void salsa_encrypt2(uchar*, uchar*, ulong, Salsastate*); + +void hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds); + +/* * DES definitions */ |