| d5f689 | 2013-11-24 | Martin Nilsson | | /* -*- c -*-
|| This file is part of Pike. For copyright information see COPYRIGHT.
|| Pike is distributed under GPL, LGPL and MPL. See the file COPYING
|| for more information.
*/
#include "global.h"
#include "builtin_functions.h"
#include "interpret.h"
#include "module.h"
#include "nettle_config.h"
#ifdef HAVE_LIBHOGWEED
DECLARATIONS
#include "nettle.h"
#include <nettle/dsa.h>
#include <nettle/rsa.h>
#include <gmp.h>
|
| 2b1c92 | 2013-12-24 | Henrik Grubbström (Grubba) | | #include "bignum.h"
|
| d5f689 | 2013-11-24 | Martin Nilsson | | void random_func_wrapper(void *f, unsigned int num, uint8_t *out)
{
push_int(num);
apply_svalue((struct svalue *)f, 1);
if(TYPEOF(Pike_sp[-1])!=T_STRING)
Pike_error("Random function did not return string value.\n");
if(Pike_sp[-1].u.string->len != num)
Pike_error("Random function did not return correct number of bytes.\n");
memcpy(out, Pike_sp[-1].u.string->str, num);
pop_stack();
}
#define MAKE_GMP(X,Y) do { push_int(0); \
apply_svalue(&auto_bignum_program, 1); \
Y = Pike_sp[-1].u.object; \
memcpy(&X.Y, get_storage(Y, auto_bignum_program.u.program), sizeof(mpz_t));\
} while(0)
|
| f6a6ad | 2013-12-08 | Henrik Grubbström (Grubba) | | /*! @decl array(object(Gmp.mpz)) @
*! dsa_generate_keypair(int p_bits, int q_bits, @
*! function(int:string(0..255)) rnd)
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *!
*! Generates a DSA key pair with @[p_bits] number of bits (sometimes
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! referred to as L) for p, and @[q_bits] number of bits (sometimes
*! referred to as N) for q, using the random function @[rnd].
*!
*! Valid combinations as per FIPS 186-3 are
*! @pre{
*! p_bits q_bits
*! 1024 160
|
| 230ae0 | 2013-11-25 | Martin Nilsson | | *! 2048 224 (rejected by some versions of Hogweed)
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! 2048 256
*! 3072 256
*! @}
*!
*! @returns
*! @array
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 0
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value p, the modulo.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 1
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value q, the group order.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 2
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value g, the generator.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 3
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value y, the public value.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 4
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value x, the private value.
*! @endarray
*/
|
| f6a6ad | 2013-12-08 | Henrik Grubbström (Grubba) | | PIKEFUN array(object(Gmp.mpz))
dsa_generate_keypair(int p_bits, int q_bits, function(int:string(0..255)) rnd)
|
| d5f689 | 2013-11-24 | Martin Nilsson | | {
struct dsa_public_key pub;
struct object *p, *q, *g, *y;
struct dsa_private_key key;
struct object *x;
MAKE_GMP(pub,p);
MAKE_GMP(pub,q);
MAKE_GMP(pub,g);
MAKE_GMP(pub,y);
MAKE_GMP(key,x);
if( !nettle_dsa_generate_keypair(&pub, &key, rnd, random_func_wrapper,
NULL, NULL, p_bits, q_bits) )
{
|
| 28aa06 | 2013-12-02 | Martin Nilsson | | Pike_error("Illegal parameter value.\n");
|
| d5f689 | 2013-11-24 | Martin Nilsson | | }
memcpy(get_storage(p, auto_bignum_program.u.program), &pub.p, sizeof(mpz_t));
memcpy(get_storage(q, auto_bignum_program.u.program), &pub.q, sizeof(mpz_t));
memcpy(get_storage(g, auto_bignum_program.u.program), &pub.g, sizeof(mpz_t));
memcpy(get_storage(y, auto_bignum_program.u.program), &pub.y, sizeof(mpz_t));
memcpy(get_storage(x, auto_bignum_program.u.program), &key.x, sizeof(mpz_t));
f_aggregate(5);
stack_pop_n_elems_keep_top(3); /* Remove p_bits, q_bits and rnd. */
}
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | /*! @decl array(object(Gmp.mpz)) @
|
| f6a6ad | 2013-12-08 | Henrik Grubbström (Grubba) | | *! rsa_generate_keypair(int bits, int e, function(int:string(0..255)) rnd)
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *!
*! Generates an RSA key pair with a @[bits] sized modulus (n), using
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! the provided value for @[e] and random function @[rnd].
*!
*! @returns
*! @array
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 0
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value n, the modulo.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 1
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value d, the private exponent.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 2
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value p, a prime.
|
| 6668dd | 2013-12-06 | Henrik Grubbström (Grubba) | | *! @elem Gmp.mpz 3
|
| d5f689 | 2013-11-24 | Martin Nilsson | | *! The value q, a prime.
*! @endarray
*/
PIKEFUN array(object(Gmp.mpz))
|
| f6a6ad | 2013-12-08 | Henrik Grubbström (Grubba) | | rsa_generate_keypair(int bits, int e, function(int:string(0..255)) rnd)
|
| d5f689 | 2013-11-24 | Martin Nilsson | | {
struct rsa_public_key pub;
struct object *n, *_e;
struct rsa_private_key key;
struct object *d, *p, *q, *a, *b, *c;
push_int(e);
apply_svalue(&auto_bignum_program, 1);
_e = Pike_sp[-1].u.object;
memcpy(&pub.e, get_storage(_e, auto_bignum_program.u.program),
sizeof(mpz_t));
MAKE_GMP(pub,n);
MAKE_GMP(key,d);
MAKE_GMP(key,p);
MAKE_GMP(key,q);
MAKE_GMP(key,a);
MAKE_GMP(key,b);
MAKE_GMP(key,c);
if( !nettle_rsa_generate_keypair(&pub, &key, rnd, random_func_wrapper,
NULL, NULL, bits, 0) )
{
|
| 28aa06 | 2013-12-02 | Martin Nilsson | | Pike_error("Illegal parameter value.\n");
|
| d5f689 | 2013-11-24 | Martin Nilsson | | }
memcpy(get_storage(n, auto_bignum_program.u.program), &pub.n, sizeof(mpz_t));
memcpy(get_storage(d, auto_bignum_program.u.program), &key.d, sizeof(mpz_t));
memcpy(get_storage(p, auto_bignum_program.u.program), &key.p, sizeof(mpz_t));
memcpy(get_storage(q, auto_bignum_program.u.program), &key.q, sizeof(mpz_t));
memcpy(get_storage(a, auto_bignum_program.u.program), &key.a, sizeof(mpz_t));
memcpy(get_storage(b, auto_bignum_program.u.program), &key.b, sizeof(mpz_t));
memcpy(get_storage(c, auto_bignum_program.u.program), &key.c, sizeof(mpz_t));
pop_n_elems(3); /* We don't need a, b, c. */
f_aggregate(4);
stack_pop_n_elems_keep_top(3); /* Remove bits, e and rnd. */
}
void
hogweed_init(void)
{
INIT;
}
void
hogweed_exit(void)
{
EXIT;
}
#endif
|