libcryptx-perl/inc/CryptX_Stream_RC4.xs.inc

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2018-03-22 15:51:09 +01:00
MODULE = CryptX PACKAGE = Crypt::Stream::RC4
Crypt::Stream::RC4
_new(SV * key)
CODE:
{
int rv;
STRLEN k_len=0;
unsigned char *k=NULL;
if (!SvPOK(key)) croak("FATAL: key must be string/buffer scalar");
k = (unsigned char *) SvPVbyte(key, k_len);
Newz(0, RETVAL, 1, struct rc4_struct);
if (!RETVAL) croak("FATAL: Newz failed");
rv = rc4_stream_setup(&RETVAL->state, k, (unsigned long)k_len);
if (rv != CRYPT_OK) croak("FATAL: rc4_stream_setup failed: %s", error_to_string(rv));
}
OUTPUT:
RETVAL
void
DESTROY(Crypt::Stream::RC4 self)
CODE:
rc4_stream_done(&self->state);
Safefree(self);
Crypt::Stream::RC4
clone(Crypt::Stream::RC4 self)
CODE:
Newz(0, RETVAL, 1, struct rc4_struct);
if (!RETVAL) croak("FATAL: Newz failed");
Copy(&self->state, &RETVAL->state, 1, struct rc4_struct);
OUTPUT:
RETVAL
SV *
keystream(Crypt::Stream::RC4 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 = rc4_stream_keystream(&self->state, out_data, out_len);
if (rv != CRYPT_OK) croak("FATAL: rc4_stream_keystream failed: %s", error_to_string(rv));
}
OUTPUT:
RETVAL
SV *
crypt(Crypt::Stream::RC4 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 = rc4_stream_crypt(&self->state, in_data, (unsigned long)in_data_len, out_data);
if (rv != CRYPT_OK) croak("FATAL: rc4_stream_crypt failed: %s", error_to_string(rv));
}
}
OUTPUT:
RETVAL