18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Big number math 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2006, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "bignum.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_INTERNAL_LIBTOMMATH 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "libtommath.c" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_INTERNAL_LIBTOMMATH */ 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include <tommath.h> 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_INTERNAL_LIBTOMMATH */ 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The current version is just a wrapper for LibTomMath library, so 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct bignum is just typecast to mp_int. 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_init - Allocate memory for bignum 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated bignum or %NULL on failure 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct bignum * bignum_init(void) 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct bignum *n = os_zalloc(sizeof(mp_int)); 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (n == NULL) 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_init((mp_int *) n) != MP_OKAY) { 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(n); 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt n = NULL; 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return n; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_deinit - Free bignum 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @n: Bignum from bignum_init() 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid bignum_deinit(struct bignum *n) 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (n) { 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mp_clear((mp_int *) n); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(n); 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_get_unsigned_bin - Get length of bignum as an unsigned binary buffer 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @n: Bignum from bignum_init() 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Length of n if written to a binary buffer 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtsize_t bignum_get_unsigned_bin_len(struct bignum *n) 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return mp_unsigned_bin_size((mp_int *) n); 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_get_unsigned_bin - Set binary buffer to unsigned bignum 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @n: Bignum from bignum_init() 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for the binary number 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the buffer, can be %NULL if buffer is known to be long 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * enough. Set to used buffer length on success if not %NULL. 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len) 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t need = mp_unsigned_bin_size((mp_int *) n); 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len && need > *len) { 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = need; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_to_unsigned_bin((mp_int *) n, buf) != MP_OKAY) { 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len) 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = need; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_set_unsigned_bin - Set bignum based on unsigned binary buffer 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @n: Bignum from bignum_init(); to be set to the given value 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer with unsigned binary value 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of buf in octets 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len) 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_read_unsigned_bin((mp_int *) n, (u8 *) buf, len) != MP_OKAY) { 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_cmp - Signed comparison 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init() 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_cmp(const struct bignum *a, const struct bignum *b) 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return mp_cmp((mp_int *) a, (mp_int *) b); 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_cmd_d - Compare bignum to standard integer 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Small integer 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_cmp_d(const struct bignum *a, unsigned long b) 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return mp_cmp_d((mp_int *) a, b); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_add - c = a + b 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init() 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @c: Bignum from bignum_init(); used to store the result of a + b 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_add(const struct bignum *a, const struct bignum *b, 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct bignum *c) 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_add((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) { 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_sub - c = a - b 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init() 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @c: Bignum from bignum_init(); used to store the result of a - b 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_sub(const struct bignum *a, const struct bignum *b, 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct bignum *c) 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_sub((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) { 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_mul - c = a * b 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init() 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @c: Bignum from bignum_init(); used to store the result of a * b 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_mul(const struct bignum *a, const struct bignum *b, 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct bignum *c) 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_mul((mp_int *) a, (mp_int *) b, (mp_int *) c) != MP_OKAY) { 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_mulmod - d = a * b (mod c) 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init() 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init() 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @c: Bignum from bignum_init(); modulus 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @d: Bignum from bignum_init(); used to store the result of a * b (mod c) 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_mulmod(const struct bignum *a, const struct bignum *b, 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct bignum *c, struct bignum *d) 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_mulmod((mp_int *) a, (mp_int *) b, (mp_int *) c, (mp_int *) d) 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt != MP_OKAY) { 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * bignum_exptmod - Modular exponentiation: d = a^b (mod c) 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @a: Bignum from bignum_init(); base 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @b: Bignum from bignum_init(); exponent 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @c: Bignum from bignum_init(); modulus 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @d: Bignum from bignum_init(); used to store the result of a^b (mod c) 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bignum_exptmod(const struct bignum *a, const struct bignum *b, 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct bignum *c, struct bignum *d) 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mp_exptmod((mp_int *) a, (mp_int *) b, (mp_int *) c, (mp_int *) d) 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt != MP_OKAY) { 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BIGNUM: %s failed", __func__); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 225