static void
hamsi_big(sph_hamsi_big_context *sc, const unsigned char *buf, size_t num)
{
DECL_STATE_BIG
#if !SPH_64
sph_u32 tmp;
#endif
#if SPH_64
sc->count += (sph_u64)num << 6;
#else
tmp = SPH_T32((sph_u32)num << 6);
sc->count_low = SPH_T32(sc->count_low + tmp);
sc->count_high += (sph_u32)((num >> 13) >> 13);
if (sc->count_low < tmp)
sc->count_high ++;
#endif
READ_STATE_BIG(sc);
while (num -- > 0) {
sph_u32 m0, m1, m2, m3, m4, m5, m6, m7;
sph_u32 m8, m9, mA, mB, mC, mD, mE, mF;
INPUT_BIG;
P_BIG;
T_BIG;
buf += 8;
}
WRITE_STATE_BIG(sc);
}
static void
fugue3_core(sph_fugue_context *sc, const void *data, size_t len)
{
DECL_STATE_BIG
CORE_ENTRY
READ_STATE_BIG(sc);
rshift = sc->round_shift;
switch (rshift) {
for (;;) {
sph_u32 q;
case 0:
q = p;
TIX3(q, S00, S01, S04, S08, S16, S27, S30);
CMIX36(S33, S34, S35, S01, S02, S03, S15, S16, S17);
SMIX(S33, S34, S35, S00);
CMIX36(S30, S31, S32, S34, S35, S00, S12, S13, S14);
SMIX(S30, S31, S32, S33);
CMIX36(S27, S28, S29, S31, S32, S33, S09, S10, S11);
SMIX(S27, S28, S29, S30);
NEXT(1);
/* fall through */
case 1:
q = p;
TIX3(q, S27, S28, S31, S35, S07, S18, S21);
CMIX36(S24, S25, S26, S28, S29, S30, S06, S07, S08);
SMIX(S24, S25, S26, S27);
CMIX36(S21, S22, S23, S25, S26, S27, S03, S04, S05);
SMIX(S21, S22, S23, S24);
CMIX36(S18, S19, S20, S22, S23, S24, S00, S01, S02);
SMIX(S18, S19, S20, S21);
NEXT(2);
/* fall through */
case 2:
q = p;
TIX3(q, S18, S19, S22, S26, S34, S09, S12);
CMIX36(S15, S16, S17, S19, S20, S21, S33, S34, S35);
SMIX(S15, S16, S17, S18);
CMIX36(S12, S13, S14, S16, S17, S18, S30, S31, S32);
SMIX(S12, S13, S14, S15);
CMIX36(S09, S10, S11, S13, S14, S15, S27, S28, S29);
SMIX(S09, S10, S11, S12);
NEXT(3);
/* fall through */
case 3:
q = p;
TIX3(q, S09, S10, S13, S17, S25, S00, S03);
CMIX36(S06, S07, S08, S10, S11, S12, S24, S25, S26);
SMIX(S06, S07, S08, S09);
CMIX36(S03, S04, S05, S07, S08, S09, S21, S22, S23);
SMIX(S03, S04, S05, S06);
CMIX36(S00, S01, S02, S04, S05, S06, S18, S19, S20);
SMIX(S00, S01, S02, S03);
NEXT(0);
}
}
CORE_EXIT
WRITE_STATE_BIG(sc);
}
static void
hamsi_big_final(sph_hamsi_big_context *sc, const unsigned char *buf)
{
sph_u32 m0, m1, m2, m3, m4, m5, m6, m7;
sph_u32 m8, m9, mA, mB, mC, mD, mE, mF;
DECL_STATE_BIG
READ_STATE_BIG(sc);
INPUT_BIG;
PF_BIG;
T_BIG;
WRITE_STATE_BIG(sc);
}
static void
skein_big_core(sph_skein_big_context *sc, const void *data, size_t len)
{
/*
* The Skein "final bit" in the tweak is troublesome here,
* because if the input has a length which is a multiple of the
* block size (512 bits) then that bit must be set for the
* final block, which is full of message bits (padding in
* Skein can be reduced to no extra bit at all). However, this
* function cannot know whether it processes the last chunks of
* the message or not. Hence we may keep a full block of buffered
* data (64 bytes).
*/
unsigned char *buf;
size_t ptr;
unsigned first;
DECL_STATE_BIG
buf = sc->buf;
ptr = sc->ptr;
if (len <= (sizeof sc->buf) - ptr) {
memcpy(buf + ptr, data, len);
ptr += len;
sc->ptr = ptr;
return;
}
READ_STATE_BIG(sc);
first = (bcount == 0) << 7;
do {
size_t clen;
if (ptr == sizeof sc->buf) {
bcount ++;
UBI_BIG(96 + first, 0);
first = 0;
ptr = 0;
}
clen = (sizeof sc->buf) - ptr;
if (clen > len)
clen = len;
memcpy(buf + ptr, data, clen);
ptr += clen;
data = (const unsigned char *)data + clen;
len -= clen;
} while (len > 0);
WRITE_STATE_BIG(sc);
sc->ptr = ptr;
}
