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MODULE = CryptX PACKAGE = Crypt::Digest::SHAKE
PROTOTYPES: DISABLE
Crypt::Digest::SHAKE
new(Class, int num)
CODE:
{
int rv;
Newz(0, RETVAL, 1, struct digest_shake_struct);
if (!RETVAL) croak("FATAL: Newz failed");
RETVAL->num = num;
rv = sha3_shake_init(&RETVAL->state, RETVAL->num);
if (rv != CRYPT_OK) {
Safefree(RETVAL);
croak("FATAL: sha3_shake_init failed: %s", error_to_string(rv));
}
}
OUTPUT:
RETVAL
void
DESTROY(Crypt::Digest::SHAKE self)
CODE:
Safefree(self);
void
reset(Crypt::Digest::SHAKE self)
PPCODE:
{
int rv;
rv = sha3_shake_init(&self->state, self->num);
if (rv != CRYPT_OK) croak("FATAL: sha3_shake_init failed: %s", error_to_string(rv));
XPUSHs(ST(0)); /* return self */
}
Crypt::Digest::SHAKE
clone(Crypt::Digest::SHAKE self)
CODE:
Newz(0, RETVAL, 1, struct digest_shake_struct);
if (!RETVAL) croak("FATAL: Newz failed");
Copy(&self->state, &RETVAL->state, 1, struct digest_shake_struct);
OUTPUT:
RETVAL
void
add(Crypt::Digest::SHAKE self, ...)
PPCODE:
{
STRLEN inlen;
int rv, i;
unsigned char *in;
for(i=1; i<items; i++) {
in = (unsigned char *)SvPVbyte(ST(i), inlen);
if (inlen>0) {
rv = sha3_shake_process(&self->state, in, (unsigned long)inlen);
if (rv != CRYPT_OK) croak("FATAL: sha3_shake_process failed: %s", error_to_string(rv));
}
}
XPUSHs(ST(0)); /* return self */
}
SV *
done(Crypt::Digest::SHAKE self, STRLEN out_len)
CODE:
{
int rv;
unsigned char *out_data;
if (out_len == 0) {
RETVAL = newSVpvn("", 0);
}
else {
RETVAL = NEWSV(0, out_len); /* avoid zero! */
SvPOK_only(RETVAL);
SvCUR_set(RETVAL, out_len);
out_data = (unsigned char *)SvPVX(RETVAL);
rv = sha3_shake_done(&self->state, out_data, (unsigned long)out_len);
if (rv != CRYPT_OK) {
SvREFCNT_dec(RETVAL);
croak("FATAL: sha3_shake_done failed: %s", error_to_string(rv));
}
}
}
OUTPUT:
RETVAL
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