105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
MODULE = CryptX PACKAGE = Crypt::Mode::CFB
|
|
|
|
PROTOTYPES: DISABLE
|
|
|
|
### BEWARE - GENERATED FILE, DO NOT EDIT MANUALLY!
|
|
|
|
Crypt::Mode::CFB
|
|
new(Class, char * cipher_name, int rounds=0)
|
|
CODE:
|
|
{
|
|
Newz(0, RETVAL, 1, struct cfb_struct);
|
|
if (!RETVAL) croak("FATAL: Newz failed");
|
|
RETVAL->direction = 0;
|
|
RETVAL->cipher_rounds = rounds;
|
|
RETVAL->cipher_id = _find_cipher(cipher_name);
|
|
if (RETVAL->cipher_id == -1) {
|
|
Safefree(RETVAL);
|
|
croak("FATAL: find_cipfer failed for '%s'", cipher_name);
|
|
}
|
|
}
|
|
OUTPUT:
|
|
RETVAL
|
|
|
|
void
|
|
DESTROY(Crypt::Mode::CFB self)
|
|
CODE:
|
|
Safefree(self);
|
|
|
|
void
|
|
start_decrypt(Crypt::Mode::CFB self, SV * key, SV * iv)
|
|
ALIAS:
|
|
start_encrypt = 1
|
|
PPCODE:
|
|
{
|
|
STRLEN k_len=0;
|
|
unsigned char *k=NULL;
|
|
STRLEN i_len=0;
|
|
unsigned char *i=NULL;
|
|
int rv;
|
|
|
|
if (!SvPOK(key)) croak("FATAL: key must be string/buffer scalar");
|
|
k = (unsigned char *) SvPVbyte(key, k_len);
|
|
|
|
if (!SvPOK(iv)) croak("FATAL: iv must be string/buffer scalar");
|
|
i = (unsigned char *) SvPVbyte(iv, i_len);
|
|
if (i_len != (STRLEN)cipher_descriptor[self->cipher_id].block_length) {
|
|
croak ("FATAL: sizeof(iv) should be equal to blocksize (%d)", cipher_descriptor[self->cipher_id].block_length);
|
|
}
|
|
|
|
rv = cfb_start(self->cipher_id, i, k, (int)k_len, self->cipher_rounds, &self->state);
|
|
if (rv != CRYPT_OK) {
|
|
croak("FATAL: cfb_start failed: %s", error_to_string(rv));
|
|
}
|
|
|
|
self->direction = ix == 1 ? 1 : -1;
|
|
XPUSHs(ST(0)); /* return self */
|
|
}
|
|
|
|
SV *
|
|
add(Crypt::Mode::CFB self, ...)
|
|
CODE:
|
|
{
|
|
int rv, j;
|
|
STRLEN in_data_len, out_len = 0;
|
|
unsigned char *in_data, *out_data;
|
|
|
|
RETVAL = newSVpvn("", 0);
|
|
for (j = 1; j < items; j++) {
|
|
in_data = (unsigned char *)SvPVbyte(ST(j), in_data_len);
|
|
if (in_data_len > 0) {
|
|
out_data = (unsigned char*)SvGROW(RETVAL, out_len + in_data_len + 1) + out_len;
|
|
out_len += in_data_len;
|
|
if (self->direction == 1) {
|
|
rv = cfb_encrypt(in_data, out_data, (unsigned long)in_data_len, &self->state);
|
|
if (rv != CRYPT_OK) {
|
|
SvREFCNT_dec(RETVAL);
|
|
croak("FATAL: cfb_encrypt failed: %s", error_to_string(rv));
|
|
}
|
|
}
|
|
else if (self->direction == -1) {
|
|
rv = cfb_decrypt(in_data, out_data, (unsigned long)in_data_len, &self->state);
|
|
if (rv != CRYPT_OK) {
|
|
SvREFCNT_dec(RETVAL);
|
|
croak("FATAL: cfb_decrypt failed: %s", error_to_string(rv));
|
|
}
|
|
}
|
|
else {
|
|
SvREFCNT_dec(RETVAL);
|
|
croak("FATAL: cfb_crypt failed: call start_encrypt or start_decrypt first");
|
|
}
|
|
}
|
|
}
|
|
if (out_len > 0) SvCUR_set(RETVAL, out_len);
|
|
}
|
|
OUTPUT:
|
|
RETVAL
|
|
|
|
SV *
|
|
finish(Crypt::Mode::CFB self)
|
|
CODE:
|
|
self->direction = 0;
|
|
RETVAL = newSVpvn("", 0);
|
|
OUTPUT:
|
|
RETVAL
|