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MODULE = CryptX PACKAGE = Crypt::Stream::Sober128
Crypt::Stream::Sober128
_new(SV * key, SV * nonce)
CODE:
{
int rv;
STRLEN iv_len=0, k_len=0;
unsigned char *iv=NULL, *k=NULL;
if (!SvPOK(key)) croak("FATAL: key must be string/buffer scalar");
if (!SvPOK(nonce)) croak("FATAL: nonce must be string/buffer scalar");
k = (unsigned char *) SvPVbyte(key, k_len);
iv = (unsigned char *) SvPVbyte(nonce, iv_len);
Newz(0, RETVAL, 1, struct sober128_struct);
if (!RETVAL) croak("FATAL: Newz failed");
rv = sober128_setup(&RETVAL->state, k, (unsigned long)k_len);
if (rv != CRYPT_OK) croak("FATAL: sober128_setup failed: %s", error_to_string(rv));
rv = sober128_setiv(&RETVAL->state, iv, (unsigned long)iv_len);
if (rv != CRYPT_OK) croak("FATAL: sober128_setiv failed: %s", error_to_string(rv));
}
OUTPUT:
RETVAL
void
DESTROY(Crypt::Stream::Sober128 self)
CODE:
sober128_done(&self->state);
Safefree(self);
Crypt::Stream::Sober128
clone(Crypt::Stream::Sober128 self)
CODE:
Newz(0, RETVAL, 1, struct sober128_struct);
if (!RETVAL) croak("FATAL: Newz failed");
Copy(&self->state, &RETVAL->state, 1, struct sober128_struct);
OUTPUT:
RETVAL
SV *
keystream(Crypt::Stream::Sober128 self, STRLEN out_len)
CODE:
{
int rv;
unsigned char *out_data;
RETVAL = NEWSV(0, out_len);
SvPOK_only(RETVAL);
SvCUR_set(RETVAL, out_len);
out_data = (unsigned char *)SvPV_nolen(RETVAL);
rv = sober128_keystream(&self->state, out_data, out_len);
if (rv != CRYPT_OK) croak("FATAL: sober128_keystream failed: %s", error_to_string(rv));
}
OUTPUT:
RETVAL
SV *
crypt(Crypt::Stream::Sober128 self, SV * data)
CODE:
{
int rv;
STRLEN in_data_len;
unsigned char *in_data, *out_data;
in_data = (unsigned char *)SvPVbyte(data, in_data_len);
if (in_data_len==0) {
RETVAL = newSVpvn("", 0);
}
else {
RETVAL = NEWSV(0, in_data_len);
SvPOK_only(RETVAL);
SvCUR_set(RETVAL, in_data_len);
out_data = (unsigned char *)SvPV_nolen(RETVAL);
rv = sober128_crypt(&self->state, in_data, (unsigned long)in_data_len, out_data);
if (rv != CRYPT_OK) croak("FATAL: sober128_crypt failed: %s", error_to_string(rv));
}
}
OUTPUT:
RETVAL
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