1189251Ssam/* 2281806Srpaulo * Wrapper functions for OpenSSL libcrypto 3281806Srpaulo * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#include "includes.h" 10189251Ssam#include <openssl/opensslv.h> 11214734Srpaulo#include <openssl/err.h> 12189251Ssam#include <openssl/des.h> 13189251Ssam#include <openssl/aes.h> 14189251Ssam#include <openssl/bn.h> 15189251Ssam#include <openssl/evp.h> 16214734Srpaulo#include <openssl/dh.h> 17252726Srpaulo#include <openssl/hmac.h> 18252726Srpaulo#include <openssl/rand.h> 19252726Srpaulo#ifdef CONFIG_OPENSSL_CMAC 20252726Srpaulo#include <openssl/cmac.h> 21252726Srpaulo#endif /* CONFIG_OPENSSL_CMAC */ 22281806Srpaulo#ifdef CONFIG_ECC 23281806Srpaulo#include <openssl/ec.h> 24281806Srpaulo#endif /* CONFIG_ECC */ 25189251Ssam 26189251Ssam#include "common.h" 27214734Srpaulo#include "wpabuf.h" 28214734Srpaulo#include "dh_group5.h" 29281806Srpaulo#include "sha1.h" 30281806Srpaulo#include "sha256.h" 31281806Srpaulo#include "sha384.h" 32189251Ssam#include "crypto.h" 33189251Ssam 34214734Srpaulostatic BIGNUM * get_group5_prime(void) 35214734Srpaulo{ 36281806Srpaulo#ifdef OPENSSL_IS_BORINGSSL 37214734Srpaulo static const unsigned char RFC3526_PRIME_1536[] = { 38214734Srpaulo 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC9,0x0F,0xDA,0xA2, 39214734Srpaulo 0x21,0x68,0xC2,0x34,0xC4,0xC6,0x62,0x8B,0x80,0xDC,0x1C,0xD1, 40214734Srpaulo 0x29,0x02,0x4E,0x08,0x8A,0x67,0xCC,0x74,0x02,0x0B,0xBE,0xA6, 41214734Srpaulo 0x3B,0x13,0x9B,0x22,0x51,0x4A,0x08,0x79,0x8E,0x34,0x04,0xDD, 42214734Srpaulo 0xEF,0x95,0x19,0xB3,0xCD,0x3A,0x43,0x1B,0x30,0x2B,0x0A,0x6D, 43214734Srpaulo 0xF2,0x5F,0x14,0x37,0x4F,0xE1,0x35,0x6D,0x6D,0x51,0xC2,0x45, 44214734Srpaulo 0xE4,0x85,0xB5,0x76,0x62,0x5E,0x7E,0xC6,0xF4,0x4C,0x42,0xE9, 45214734Srpaulo 0xA6,0x37,0xED,0x6B,0x0B,0xFF,0x5C,0xB6,0xF4,0x06,0xB7,0xED, 46214734Srpaulo 0xEE,0x38,0x6B,0xFB,0x5A,0x89,0x9F,0xA5,0xAE,0x9F,0x24,0x11, 47214734Srpaulo 0x7C,0x4B,0x1F,0xE6,0x49,0x28,0x66,0x51,0xEC,0xE4,0x5B,0x3D, 48214734Srpaulo 0xC2,0x00,0x7C,0xB8,0xA1,0x63,0xBF,0x05,0x98,0xDA,0x48,0x36, 49214734Srpaulo 0x1C,0x55,0xD3,0x9A,0x69,0x16,0x3F,0xA8,0xFD,0x24,0xCF,0x5F, 50214734Srpaulo 0x83,0x65,0x5D,0x23,0xDC,0xA3,0xAD,0x96,0x1C,0x62,0xF3,0x56, 51214734Srpaulo 0x20,0x85,0x52,0xBB,0x9E,0xD5,0x29,0x07,0x70,0x96,0x96,0x6D, 52214734Srpaulo 0x67,0x0C,0x35,0x4E,0x4A,0xBC,0x98,0x04,0xF1,0x74,0x6C,0x08, 53214734Srpaulo 0xCA,0x23,0x73,0x27,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 54214734Srpaulo }; 55214734Srpaulo return BN_bin2bn(RFC3526_PRIME_1536, sizeof(RFC3526_PRIME_1536), NULL); 56281806Srpaulo#else /* OPENSSL_IS_BORINGSSL */ 57214734Srpaulo return get_rfc3526_prime_1536(NULL); 58281806Srpaulo#endif /* OPENSSL_IS_BORINGSSL */ 59214734Srpaulo} 60189251Ssam 61214734Srpaulo#ifdef OPENSSL_NO_SHA256 62214734Srpaulo#define NO_SHA256_WRAPPER 63214734Srpaulo#endif 64214734Srpaulo 65252726Srpaulostatic int openssl_digest_vector(const EVP_MD *type, size_t num_elem, 66252726Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 67189251Ssam{ 68214734Srpaulo EVP_MD_CTX ctx; 69189251Ssam size_t i; 70214734Srpaulo unsigned int mac_len; 71189251Ssam 72214734Srpaulo EVP_MD_CTX_init(&ctx); 73214734Srpaulo if (!EVP_DigestInit_ex(&ctx, type, NULL)) { 74214734Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestInit_ex failed: %s", 75214734Srpaulo ERR_error_string(ERR_get_error(), NULL)); 76214734Srpaulo return -1; 77214734Srpaulo } 78214734Srpaulo for (i = 0; i < num_elem; i++) { 79214734Srpaulo if (!EVP_DigestUpdate(&ctx, addr[i], len[i])) { 80214734Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestUpdate " 81214734Srpaulo "failed: %s", 82214734Srpaulo ERR_error_string(ERR_get_error(), NULL)); 83214734Srpaulo return -1; 84214734Srpaulo } 85214734Srpaulo } 86214734Srpaulo if (!EVP_DigestFinal(&ctx, mac, &mac_len)) { 87214734Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_DigestFinal failed: %s", 88214734Srpaulo ERR_error_string(ERR_get_error(), NULL)); 89214734Srpaulo return -1; 90214734Srpaulo } 91214734Srpaulo 92214734Srpaulo return 0; 93189251Ssam} 94189251Ssam 95189251Ssam 96289549Srpaulo#ifndef CONFIG_FIPS 97214734Srpauloint md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac) 98214734Srpaulo{ 99252726Srpaulo return openssl_digest_vector(EVP_md4(), num_elem, addr, len, mac); 100214734Srpaulo} 101289549Srpaulo#endif /* CONFIG_FIPS */ 102214734Srpaulo 103214734Srpaulo 104189251Ssamvoid des_encrypt(const u8 *clear, const u8 *key, u8 *cypher) 105189251Ssam{ 106189251Ssam u8 pkey[8], next, tmp; 107189251Ssam int i; 108189251Ssam DES_key_schedule ks; 109189251Ssam 110189251Ssam /* Add parity bits to the key */ 111189251Ssam next = 0; 112189251Ssam for (i = 0; i < 7; i++) { 113189251Ssam tmp = key[i]; 114189251Ssam pkey[i] = (tmp >> i) | next | 1; 115189251Ssam next = tmp << (7 - i); 116189251Ssam } 117189251Ssam pkey[i] = next | 1; 118189251Ssam 119281806Srpaulo DES_set_key((DES_cblock *) &pkey, &ks); 120189251Ssam DES_ecb_encrypt((DES_cblock *) clear, (DES_cblock *) cypher, &ks, 121189251Ssam DES_ENCRYPT); 122189251Ssam} 123189251Ssam 124189251Ssam 125289549Srpaulo#ifndef CONFIG_NO_RC4 126214734Srpauloint rc4_skip(const u8 *key, size_t keylen, size_t skip, 127214734Srpaulo u8 *data, size_t data_len) 128189251Ssam{ 129214734Srpaulo#ifdef OPENSSL_NO_RC4 130214734Srpaulo return -1; 131214734Srpaulo#else /* OPENSSL_NO_RC4 */ 132214734Srpaulo EVP_CIPHER_CTX ctx; 133214734Srpaulo int outl; 134214734Srpaulo int res = -1; 135214734Srpaulo unsigned char skip_buf[16]; 136189251Ssam 137214734Srpaulo EVP_CIPHER_CTX_init(&ctx); 138214734Srpaulo if (!EVP_CIPHER_CTX_set_padding(&ctx, 0) || 139214734Srpaulo !EVP_CipherInit_ex(&ctx, EVP_rc4(), NULL, NULL, NULL, 1) || 140214734Srpaulo !EVP_CIPHER_CTX_set_key_length(&ctx, keylen) || 141214734Srpaulo !EVP_CipherInit_ex(&ctx, NULL, NULL, key, NULL, 1)) 142214734Srpaulo goto out; 143189251Ssam 144214734Srpaulo while (skip >= sizeof(skip_buf)) { 145214734Srpaulo size_t len = skip; 146214734Srpaulo if (len > sizeof(skip_buf)) 147214734Srpaulo len = sizeof(skip_buf); 148214734Srpaulo if (!EVP_CipherUpdate(&ctx, skip_buf, &outl, skip_buf, len)) 149214734Srpaulo goto out; 150214734Srpaulo skip -= len; 151214734Srpaulo } 152189251Ssam 153214734Srpaulo if (EVP_CipherUpdate(&ctx, data, &outl, data, data_len)) 154214734Srpaulo res = 0; 155189251Ssam 156214734Srpauloout: 157214734Srpaulo EVP_CIPHER_CTX_cleanup(&ctx); 158214734Srpaulo return res; 159214734Srpaulo#endif /* OPENSSL_NO_RC4 */ 160189251Ssam} 161289549Srpaulo#endif /* CONFIG_NO_RC4 */ 162189251Ssam 163189251Ssam 164289549Srpaulo#ifndef CONFIG_FIPS 165214734Srpauloint md5_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac) 166189251Ssam{ 167252726Srpaulo return openssl_digest_vector(EVP_md5(), num_elem, addr, len, mac); 168189251Ssam} 169289549Srpaulo#endif /* CONFIG_FIPS */ 170189251Ssam 171189251Ssam 172214734Srpauloint sha1_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac) 173214734Srpaulo{ 174252726Srpaulo return openssl_digest_vector(EVP_sha1(), num_elem, addr, len, mac); 175214734Srpaulo} 176189251Ssam 177189251Ssam 178214734Srpaulo#ifndef NO_SHA256_WRAPPER 179214734Srpauloint sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len, 180214734Srpaulo u8 *mac) 181214734Srpaulo{ 182252726Srpaulo return openssl_digest_vector(EVP_sha256(), num_elem, addr, len, mac); 183189251Ssam} 184214734Srpaulo#endif /* NO_SHA256_WRAPPER */ 185189251Ssam 186189251Ssam 187252726Srpaulostatic const EVP_CIPHER * aes_get_evp_cipher(size_t keylen) 188252726Srpaulo{ 189252726Srpaulo switch (keylen) { 190252726Srpaulo case 16: 191252726Srpaulo return EVP_aes_128_ecb(); 192281806Srpaulo#ifndef OPENSSL_IS_BORINGSSL 193252726Srpaulo case 24: 194252726Srpaulo return EVP_aes_192_ecb(); 195281806Srpaulo#endif /* OPENSSL_IS_BORINGSSL */ 196252726Srpaulo case 32: 197252726Srpaulo return EVP_aes_256_ecb(); 198252726Srpaulo } 199252726Srpaulo 200252726Srpaulo return NULL; 201252726Srpaulo} 202252726Srpaulo 203252726Srpaulo 204189251Ssamvoid * aes_encrypt_init(const u8 *key, size_t len) 205189251Ssam{ 206252726Srpaulo EVP_CIPHER_CTX *ctx; 207252726Srpaulo const EVP_CIPHER *type; 208252726Srpaulo 209252726Srpaulo type = aes_get_evp_cipher(len); 210252726Srpaulo if (type == NULL) 211189251Ssam return NULL; 212252726Srpaulo 213252726Srpaulo ctx = os_malloc(sizeof(*ctx)); 214252726Srpaulo if (ctx == NULL) 215189251Ssam return NULL; 216252726Srpaulo EVP_CIPHER_CTX_init(ctx); 217252726Srpaulo if (EVP_EncryptInit_ex(ctx, type, NULL, key, NULL) != 1) { 218252726Srpaulo os_free(ctx); 219252726Srpaulo return NULL; 220189251Ssam } 221252726Srpaulo EVP_CIPHER_CTX_set_padding(ctx, 0); 222252726Srpaulo return ctx; 223189251Ssam} 224189251Ssam 225189251Ssam 226189251Ssamvoid aes_encrypt(void *ctx, const u8 *plain, u8 *crypt) 227189251Ssam{ 228252726Srpaulo EVP_CIPHER_CTX *c = ctx; 229252726Srpaulo int clen = 16; 230252726Srpaulo if (EVP_EncryptUpdate(c, crypt, &clen, plain, 16) != 1) { 231252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_EncryptUpdate failed: %s", 232252726Srpaulo ERR_error_string(ERR_get_error(), NULL)); 233252726Srpaulo } 234189251Ssam} 235189251Ssam 236189251Ssam 237189251Ssamvoid aes_encrypt_deinit(void *ctx) 238189251Ssam{ 239252726Srpaulo EVP_CIPHER_CTX *c = ctx; 240252726Srpaulo u8 buf[16]; 241252726Srpaulo int len = sizeof(buf); 242252726Srpaulo if (EVP_EncryptFinal_ex(c, buf, &len) != 1) { 243252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_EncryptFinal_ex failed: " 244252726Srpaulo "%s", ERR_error_string(ERR_get_error(), NULL)); 245252726Srpaulo } 246252726Srpaulo if (len != 0) { 247252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: Unexpected padding length %d " 248252726Srpaulo "in AES encrypt", len); 249252726Srpaulo } 250252726Srpaulo EVP_CIPHER_CTX_cleanup(c); 251281806Srpaulo bin_clear_free(c, sizeof(*c)); 252189251Ssam} 253189251Ssam 254189251Ssam 255189251Ssamvoid * aes_decrypt_init(const u8 *key, size_t len) 256189251Ssam{ 257252726Srpaulo EVP_CIPHER_CTX *ctx; 258252726Srpaulo const EVP_CIPHER *type; 259252726Srpaulo 260252726Srpaulo type = aes_get_evp_cipher(len); 261252726Srpaulo if (type == NULL) 262189251Ssam return NULL; 263252726Srpaulo 264252726Srpaulo ctx = os_malloc(sizeof(*ctx)); 265252726Srpaulo if (ctx == NULL) 266189251Ssam return NULL; 267252726Srpaulo EVP_CIPHER_CTX_init(ctx); 268252726Srpaulo if (EVP_DecryptInit_ex(ctx, type, NULL, key, NULL) != 1) { 269252726Srpaulo os_free(ctx); 270252726Srpaulo return NULL; 271189251Ssam } 272252726Srpaulo EVP_CIPHER_CTX_set_padding(ctx, 0); 273252726Srpaulo return ctx; 274189251Ssam} 275189251Ssam 276189251Ssam 277189251Ssamvoid aes_decrypt(void *ctx, const u8 *crypt, u8 *plain) 278189251Ssam{ 279252726Srpaulo EVP_CIPHER_CTX *c = ctx; 280252726Srpaulo int plen = 16; 281252726Srpaulo if (EVP_DecryptUpdate(c, plain, &plen, crypt, 16) != 1) { 282252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_DecryptUpdate failed: %s", 283252726Srpaulo ERR_error_string(ERR_get_error(), NULL)); 284252726Srpaulo } 285189251Ssam} 286189251Ssam 287189251Ssam 288189251Ssamvoid aes_decrypt_deinit(void *ctx) 289189251Ssam{ 290252726Srpaulo EVP_CIPHER_CTX *c = ctx; 291252726Srpaulo u8 buf[16]; 292252726Srpaulo int len = sizeof(buf); 293252726Srpaulo if (EVP_DecryptFinal_ex(c, buf, &len) != 1) { 294252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: EVP_DecryptFinal_ex failed: " 295252726Srpaulo "%s", ERR_error_string(ERR_get_error(), NULL)); 296252726Srpaulo } 297252726Srpaulo if (len != 0) { 298252726Srpaulo wpa_printf(MSG_ERROR, "OpenSSL: Unexpected padding length %d " 299252726Srpaulo "in AES decrypt", len); 300252726Srpaulo } 301252726Srpaulo EVP_CIPHER_CTX_cleanup(c); 302281806Srpaulo bin_clear_free(c, sizeof(*c)); 303189251Ssam} 304189251Ssam 305189251Ssam 306289549Srpaulo#ifndef CONFIG_FIPS 307289549Srpaulo#ifndef CONFIG_OPENSSL_INTERNAL_AES_WRAP 308289549Srpaulo 309281806Srpauloint aes_wrap(const u8 *kek, size_t kek_len, int n, const u8 *plain, u8 *cipher) 310281806Srpaulo{ 311281806Srpaulo AES_KEY actx; 312281806Srpaulo int res; 313281806Srpaulo 314281806Srpaulo if (AES_set_encrypt_key(kek, kek_len << 3, &actx)) 315281806Srpaulo return -1; 316281806Srpaulo res = AES_wrap_key(&actx, NULL, cipher, plain, n * 8); 317281806Srpaulo OPENSSL_cleanse(&actx, sizeof(actx)); 318281806Srpaulo return res <= 0 ? -1 : 0; 319281806Srpaulo} 320281806Srpaulo 321281806Srpaulo 322281806Srpauloint aes_unwrap(const u8 *kek, size_t kek_len, int n, const u8 *cipher, 323281806Srpaulo u8 *plain) 324281806Srpaulo{ 325281806Srpaulo AES_KEY actx; 326281806Srpaulo int res; 327281806Srpaulo 328281806Srpaulo if (AES_set_decrypt_key(kek, kek_len << 3, &actx)) 329281806Srpaulo return -1; 330281806Srpaulo res = AES_unwrap_key(&actx, NULL, plain, cipher, (n + 1) * 8); 331281806Srpaulo OPENSSL_cleanse(&actx, sizeof(actx)); 332281806Srpaulo return res <= 0 ? -1 : 0; 333281806Srpaulo} 334281806Srpaulo 335289549Srpaulo#endif /* CONFIG_OPENSSL_INTERNAL_AES_WRAP */ 336289549Srpaulo#endif /* CONFIG_FIPS */ 337281806Srpaulo 338289549Srpaulo 339289549Srpauloint aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data, size_t data_len) 340289549Srpaulo{ 341289549Srpaulo EVP_CIPHER_CTX ctx; 342289549Srpaulo int clen, len; 343289549Srpaulo u8 buf[16]; 344289549Srpaulo 345289549Srpaulo EVP_CIPHER_CTX_init(&ctx); 346289549Srpaulo if (EVP_EncryptInit_ex(&ctx, EVP_aes_128_cbc(), NULL, key, iv) != 1) 347289549Srpaulo return -1; 348289549Srpaulo EVP_CIPHER_CTX_set_padding(&ctx, 0); 349289549Srpaulo 350289549Srpaulo clen = data_len; 351289549Srpaulo if (EVP_EncryptUpdate(&ctx, data, &clen, data, data_len) != 1 || 352289549Srpaulo clen != (int) data_len) 353289549Srpaulo return -1; 354289549Srpaulo 355289549Srpaulo len = sizeof(buf); 356289549Srpaulo if (EVP_EncryptFinal_ex(&ctx, buf, &len) != 1 || len != 0) 357289549Srpaulo return -1; 358289549Srpaulo EVP_CIPHER_CTX_cleanup(&ctx); 359289549Srpaulo 360289549Srpaulo return 0; 361289549Srpaulo} 362289549Srpaulo 363289549Srpaulo 364289549Srpauloint aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data, size_t data_len) 365289549Srpaulo{ 366289549Srpaulo EVP_CIPHER_CTX ctx; 367289549Srpaulo int plen, len; 368289549Srpaulo u8 buf[16]; 369289549Srpaulo 370289549Srpaulo EVP_CIPHER_CTX_init(&ctx); 371289549Srpaulo if (EVP_DecryptInit_ex(&ctx, EVP_aes_128_cbc(), NULL, key, iv) != 1) 372289549Srpaulo return -1; 373289549Srpaulo EVP_CIPHER_CTX_set_padding(&ctx, 0); 374289549Srpaulo 375289549Srpaulo plen = data_len; 376289549Srpaulo if (EVP_DecryptUpdate(&ctx, data, &plen, data, data_len) != 1 || 377289549Srpaulo plen != (int) data_len) 378289549Srpaulo return -1; 379289549Srpaulo 380289549Srpaulo len = sizeof(buf); 381289549Srpaulo if (EVP_DecryptFinal_ex(&ctx, buf, &len) != 1 || len != 0) 382289549Srpaulo return -1; 383289549Srpaulo EVP_CIPHER_CTX_cleanup(&ctx); 384289549Srpaulo 385289549Srpaulo return 0; 386289549Srpaulo} 387289549Srpaulo 388289549Srpaulo 389189251Ssamint crypto_mod_exp(const u8 *base, size_t base_len, 390189251Ssam const u8 *power, size_t power_len, 391189251Ssam const u8 *modulus, size_t modulus_len, 392189251Ssam u8 *result, size_t *result_len) 393189251Ssam{ 394189251Ssam BIGNUM *bn_base, *bn_exp, *bn_modulus, *bn_result; 395189251Ssam int ret = -1; 396189251Ssam BN_CTX *ctx; 397189251Ssam 398189251Ssam ctx = BN_CTX_new(); 399189251Ssam if (ctx == NULL) 400189251Ssam return -1; 401189251Ssam 402189251Ssam bn_base = BN_bin2bn(base, base_len, NULL); 403189251Ssam bn_exp = BN_bin2bn(power, power_len, NULL); 404189251Ssam bn_modulus = BN_bin2bn(modulus, modulus_len, NULL); 405189251Ssam bn_result = BN_new(); 406189251Ssam 407189251Ssam if (bn_base == NULL || bn_exp == NULL || bn_modulus == NULL || 408189251Ssam bn_result == NULL) 409189251Ssam goto error; 410189251Ssam 411189251Ssam if (BN_mod_exp(bn_result, bn_base, bn_exp, bn_modulus, ctx) != 1) 412189251Ssam goto error; 413189251Ssam 414189251Ssam *result_len = BN_bn2bin(bn_result, result); 415189251Ssam ret = 0; 416189251Ssam 417189251Ssamerror: 418281806Srpaulo BN_clear_free(bn_base); 419281806Srpaulo BN_clear_free(bn_exp); 420281806Srpaulo BN_clear_free(bn_modulus); 421281806Srpaulo BN_clear_free(bn_result); 422189251Ssam BN_CTX_free(ctx); 423189251Ssam return ret; 424189251Ssam} 425189251Ssam 426189251Ssam 427189251Ssamstruct crypto_cipher { 428189251Ssam EVP_CIPHER_CTX enc; 429189251Ssam EVP_CIPHER_CTX dec; 430189251Ssam}; 431189251Ssam 432189251Ssam 433189251Ssamstruct crypto_cipher * crypto_cipher_init(enum crypto_cipher_alg alg, 434189251Ssam const u8 *iv, const u8 *key, 435189251Ssam size_t key_len) 436189251Ssam{ 437189251Ssam struct crypto_cipher *ctx; 438189251Ssam const EVP_CIPHER *cipher; 439189251Ssam 440189251Ssam ctx = os_zalloc(sizeof(*ctx)); 441189251Ssam if (ctx == NULL) 442189251Ssam return NULL; 443189251Ssam 444189251Ssam switch (alg) { 445289549Srpaulo#ifndef CONFIG_NO_RC4 446189251Ssam#ifndef OPENSSL_NO_RC4 447189251Ssam case CRYPTO_CIPHER_ALG_RC4: 448189251Ssam cipher = EVP_rc4(); 449189251Ssam break; 450189251Ssam#endif /* OPENSSL_NO_RC4 */ 451289549Srpaulo#endif /* CONFIG_NO_RC4 */ 452189251Ssam#ifndef OPENSSL_NO_AES 453189251Ssam case CRYPTO_CIPHER_ALG_AES: 454189251Ssam switch (key_len) { 455189251Ssam case 16: 456189251Ssam cipher = EVP_aes_128_cbc(); 457189251Ssam break; 458281806Srpaulo#ifndef OPENSSL_IS_BORINGSSL 459189251Ssam case 24: 460189251Ssam cipher = EVP_aes_192_cbc(); 461189251Ssam break; 462281806Srpaulo#endif /* OPENSSL_IS_BORINGSSL */ 463189251Ssam case 32: 464189251Ssam cipher = EVP_aes_256_cbc(); 465189251Ssam break; 466189251Ssam default: 467189251Ssam os_free(ctx); 468189251Ssam return NULL; 469189251Ssam } 470189251Ssam break; 471189251Ssam#endif /* OPENSSL_NO_AES */ 472189251Ssam#ifndef OPENSSL_NO_DES 473189251Ssam case CRYPTO_CIPHER_ALG_3DES: 474189251Ssam cipher = EVP_des_ede3_cbc(); 475189251Ssam break; 476189251Ssam case CRYPTO_CIPHER_ALG_DES: 477189251Ssam cipher = EVP_des_cbc(); 478189251Ssam break; 479189251Ssam#endif /* OPENSSL_NO_DES */ 480189251Ssam#ifndef OPENSSL_NO_RC2 481189251Ssam case CRYPTO_CIPHER_ALG_RC2: 482189251Ssam cipher = EVP_rc2_ecb(); 483189251Ssam break; 484189251Ssam#endif /* OPENSSL_NO_RC2 */ 485189251Ssam default: 486189251Ssam os_free(ctx); 487189251Ssam return NULL; 488189251Ssam } 489189251Ssam 490189251Ssam EVP_CIPHER_CTX_init(&ctx->enc); 491189251Ssam EVP_CIPHER_CTX_set_padding(&ctx->enc, 0); 492189251Ssam if (!EVP_EncryptInit_ex(&ctx->enc, cipher, NULL, NULL, NULL) || 493189251Ssam !EVP_CIPHER_CTX_set_key_length(&ctx->enc, key_len) || 494214734Srpaulo !EVP_EncryptInit_ex(&ctx->enc, NULL, NULL, key, iv)) { 495189251Ssam EVP_CIPHER_CTX_cleanup(&ctx->enc); 496189251Ssam os_free(ctx); 497189251Ssam return NULL; 498189251Ssam } 499189251Ssam 500189251Ssam EVP_CIPHER_CTX_init(&ctx->dec); 501189251Ssam EVP_CIPHER_CTX_set_padding(&ctx->dec, 0); 502189251Ssam if (!EVP_DecryptInit_ex(&ctx->dec, cipher, NULL, NULL, NULL) || 503189251Ssam !EVP_CIPHER_CTX_set_key_length(&ctx->dec, key_len) || 504214734Srpaulo !EVP_DecryptInit_ex(&ctx->dec, NULL, NULL, key, iv)) { 505189251Ssam EVP_CIPHER_CTX_cleanup(&ctx->enc); 506189251Ssam EVP_CIPHER_CTX_cleanup(&ctx->dec); 507189251Ssam os_free(ctx); 508189251Ssam return NULL; 509189251Ssam } 510189251Ssam 511189251Ssam return ctx; 512189251Ssam} 513189251Ssam 514189251Ssam 515189251Ssamint crypto_cipher_encrypt(struct crypto_cipher *ctx, const u8 *plain, 516189251Ssam u8 *crypt, size_t len) 517189251Ssam{ 518189251Ssam int outl; 519189251Ssam if (!EVP_EncryptUpdate(&ctx->enc, crypt, &outl, plain, len)) 520189251Ssam return -1; 521189251Ssam return 0; 522189251Ssam} 523189251Ssam 524189251Ssam 525189251Ssamint crypto_cipher_decrypt(struct crypto_cipher *ctx, const u8 *crypt, 526189251Ssam u8 *plain, size_t len) 527189251Ssam{ 528189251Ssam int outl; 529189251Ssam outl = len; 530189251Ssam if (!EVP_DecryptUpdate(&ctx->dec, plain, &outl, crypt, len)) 531189251Ssam return -1; 532189251Ssam return 0; 533189251Ssam} 534189251Ssam 535189251Ssam 536189251Ssamvoid crypto_cipher_deinit(struct crypto_cipher *ctx) 537189251Ssam{ 538189251Ssam EVP_CIPHER_CTX_cleanup(&ctx->enc); 539189251Ssam EVP_CIPHER_CTX_cleanup(&ctx->dec); 540189251Ssam os_free(ctx); 541189251Ssam} 542214734Srpaulo 543214734Srpaulo 544214734Srpaulovoid * dh5_init(struct wpabuf **priv, struct wpabuf **publ) 545214734Srpaulo{ 546214734Srpaulo DH *dh; 547214734Srpaulo struct wpabuf *pubkey = NULL, *privkey = NULL; 548214734Srpaulo size_t publen, privlen; 549214734Srpaulo 550214734Srpaulo *priv = NULL; 551214734Srpaulo *publ = NULL; 552214734Srpaulo 553214734Srpaulo dh = DH_new(); 554214734Srpaulo if (dh == NULL) 555214734Srpaulo return NULL; 556214734Srpaulo 557214734Srpaulo dh->g = BN_new(); 558214734Srpaulo if (dh->g == NULL || BN_set_word(dh->g, 2) != 1) 559214734Srpaulo goto err; 560214734Srpaulo 561214734Srpaulo dh->p = get_group5_prime(); 562214734Srpaulo if (dh->p == NULL) 563214734Srpaulo goto err; 564214734Srpaulo 565214734Srpaulo if (DH_generate_key(dh) != 1) 566214734Srpaulo goto err; 567214734Srpaulo 568214734Srpaulo publen = BN_num_bytes(dh->pub_key); 569214734Srpaulo pubkey = wpabuf_alloc(publen); 570214734Srpaulo if (pubkey == NULL) 571214734Srpaulo goto err; 572214734Srpaulo privlen = BN_num_bytes(dh->priv_key); 573214734Srpaulo privkey = wpabuf_alloc(privlen); 574214734Srpaulo if (privkey == NULL) 575214734Srpaulo goto err; 576214734Srpaulo 577214734Srpaulo BN_bn2bin(dh->pub_key, wpabuf_put(pubkey, publen)); 578214734Srpaulo BN_bn2bin(dh->priv_key, wpabuf_put(privkey, privlen)); 579214734Srpaulo 580214734Srpaulo *priv = privkey; 581214734Srpaulo *publ = pubkey; 582214734Srpaulo return dh; 583214734Srpaulo 584214734Srpauloerr: 585281806Srpaulo wpabuf_clear_free(pubkey); 586281806Srpaulo wpabuf_clear_free(privkey); 587214734Srpaulo DH_free(dh); 588214734Srpaulo return NULL; 589214734Srpaulo} 590214734Srpaulo 591214734Srpaulo 592252726Srpaulovoid * dh5_init_fixed(const struct wpabuf *priv, const struct wpabuf *publ) 593252726Srpaulo{ 594252726Srpaulo DH *dh; 595252726Srpaulo 596252726Srpaulo dh = DH_new(); 597252726Srpaulo if (dh == NULL) 598252726Srpaulo return NULL; 599252726Srpaulo 600252726Srpaulo dh->g = BN_new(); 601252726Srpaulo if (dh->g == NULL || BN_set_word(dh->g, 2) != 1) 602252726Srpaulo goto err; 603252726Srpaulo 604252726Srpaulo dh->p = get_group5_prime(); 605252726Srpaulo if (dh->p == NULL) 606252726Srpaulo goto err; 607252726Srpaulo 608252726Srpaulo dh->priv_key = BN_bin2bn(wpabuf_head(priv), wpabuf_len(priv), NULL); 609252726Srpaulo if (dh->priv_key == NULL) 610252726Srpaulo goto err; 611252726Srpaulo 612252726Srpaulo dh->pub_key = BN_bin2bn(wpabuf_head(publ), wpabuf_len(publ), NULL); 613252726Srpaulo if (dh->pub_key == NULL) 614252726Srpaulo goto err; 615252726Srpaulo 616252726Srpaulo if (DH_generate_key(dh) != 1) 617252726Srpaulo goto err; 618252726Srpaulo 619252726Srpaulo return dh; 620252726Srpaulo 621252726Srpauloerr: 622252726Srpaulo DH_free(dh); 623252726Srpaulo return NULL; 624252726Srpaulo} 625252726Srpaulo 626252726Srpaulo 627214734Srpaulostruct wpabuf * dh5_derive_shared(void *ctx, const struct wpabuf *peer_public, 628214734Srpaulo const struct wpabuf *own_private) 629214734Srpaulo{ 630214734Srpaulo BIGNUM *pub_key; 631214734Srpaulo struct wpabuf *res = NULL; 632214734Srpaulo size_t rlen; 633214734Srpaulo DH *dh = ctx; 634214734Srpaulo int keylen; 635214734Srpaulo 636214734Srpaulo if (ctx == NULL) 637214734Srpaulo return NULL; 638214734Srpaulo 639214734Srpaulo pub_key = BN_bin2bn(wpabuf_head(peer_public), wpabuf_len(peer_public), 640214734Srpaulo NULL); 641214734Srpaulo if (pub_key == NULL) 642214734Srpaulo return NULL; 643214734Srpaulo 644214734Srpaulo rlen = DH_size(dh); 645214734Srpaulo res = wpabuf_alloc(rlen); 646214734Srpaulo if (res == NULL) 647214734Srpaulo goto err; 648214734Srpaulo 649214734Srpaulo keylen = DH_compute_key(wpabuf_mhead(res), pub_key, dh); 650214734Srpaulo if (keylen < 0) 651214734Srpaulo goto err; 652214734Srpaulo wpabuf_put(res, keylen); 653281806Srpaulo BN_clear_free(pub_key); 654214734Srpaulo 655214734Srpaulo return res; 656214734Srpaulo 657214734Srpauloerr: 658281806Srpaulo BN_clear_free(pub_key); 659281806Srpaulo wpabuf_clear_free(res); 660214734Srpaulo return NULL; 661214734Srpaulo} 662214734Srpaulo 663214734Srpaulo 664214734Srpaulovoid dh5_free(void *ctx) 665214734Srpaulo{ 666214734Srpaulo DH *dh; 667214734Srpaulo if (ctx == NULL) 668214734Srpaulo return; 669214734Srpaulo dh = ctx; 670214734Srpaulo DH_free(dh); 671214734Srpaulo} 672252726Srpaulo 673252726Srpaulo 674252726Srpaulostruct crypto_hash { 675252726Srpaulo HMAC_CTX ctx; 676252726Srpaulo}; 677252726Srpaulo 678252726Srpaulo 679252726Srpaulostruct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key, 680252726Srpaulo size_t key_len) 681252726Srpaulo{ 682252726Srpaulo struct crypto_hash *ctx; 683252726Srpaulo const EVP_MD *md; 684252726Srpaulo 685252726Srpaulo switch (alg) { 686252726Srpaulo#ifndef OPENSSL_NO_MD5 687252726Srpaulo case CRYPTO_HASH_ALG_HMAC_MD5: 688252726Srpaulo md = EVP_md5(); 689252726Srpaulo break; 690252726Srpaulo#endif /* OPENSSL_NO_MD5 */ 691252726Srpaulo#ifndef OPENSSL_NO_SHA 692252726Srpaulo case CRYPTO_HASH_ALG_HMAC_SHA1: 693252726Srpaulo md = EVP_sha1(); 694252726Srpaulo break; 695252726Srpaulo#endif /* OPENSSL_NO_SHA */ 696252726Srpaulo#ifndef OPENSSL_NO_SHA256 697252726Srpaulo#ifdef CONFIG_SHA256 698252726Srpaulo case CRYPTO_HASH_ALG_HMAC_SHA256: 699252726Srpaulo md = EVP_sha256(); 700252726Srpaulo break; 701252726Srpaulo#endif /* CONFIG_SHA256 */ 702252726Srpaulo#endif /* OPENSSL_NO_SHA256 */ 703252726Srpaulo default: 704252726Srpaulo return NULL; 705252726Srpaulo } 706252726Srpaulo 707252726Srpaulo ctx = os_zalloc(sizeof(*ctx)); 708252726Srpaulo if (ctx == NULL) 709252726Srpaulo return NULL; 710252726Srpaulo HMAC_CTX_init(&ctx->ctx); 711252726Srpaulo 712252726Srpaulo#if OPENSSL_VERSION_NUMBER < 0x00909000 713252726Srpaulo HMAC_Init_ex(&ctx->ctx, key, key_len, md, NULL); 714252726Srpaulo#else /* openssl < 0.9.9 */ 715252726Srpaulo if (HMAC_Init_ex(&ctx->ctx, key, key_len, md, NULL) != 1) { 716281806Srpaulo bin_clear_free(ctx, sizeof(*ctx)); 717252726Srpaulo return NULL; 718252726Srpaulo } 719252726Srpaulo#endif /* openssl < 0.9.9 */ 720252726Srpaulo 721252726Srpaulo return ctx; 722252726Srpaulo} 723252726Srpaulo 724252726Srpaulo 725252726Srpaulovoid crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len) 726252726Srpaulo{ 727252726Srpaulo if (ctx == NULL) 728252726Srpaulo return; 729252726Srpaulo HMAC_Update(&ctx->ctx, data, len); 730252726Srpaulo} 731252726Srpaulo 732252726Srpaulo 733252726Srpauloint crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len) 734252726Srpaulo{ 735252726Srpaulo unsigned int mdlen; 736252726Srpaulo int res; 737252726Srpaulo 738252726Srpaulo if (ctx == NULL) 739252726Srpaulo return -2; 740252726Srpaulo 741252726Srpaulo if (mac == NULL || len == NULL) { 742281806Srpaulo bin_clear_free(ctx, sizeof(*ctx)); 743252726Srpaulo return 0; 744252726Srpaulo } 745252726Srpaulo 746252726Srpaulo mdlen = *len; 747252726Srpaulo#if OPENSSL_VERSION_NUMBER < 0x00909000 748252726Srpaulo HMAC_Final(&ctx->ctx, mac, &mdlen); 749252726Srpaulo res = 1; 750252726Srpaulo#else /* openssl < 0.9.9 */ 751252726Srpaulo res = HMAC_Final(&ctx->ctx, mac, &mdlen); 752252726Srpaulo#endif /* openssl < 0.9.9 */ 753252726Srpaulo HMAC_CTX_cleanup(&ctx->ctx); 754281806Srpaulo bin_clear_free(ctx, sizeof(*ctx)); 755252726Srpaulo 756252726Srpaulo if (res == 1) { 757252726Srpaulo *len = mdlen; 758252726Srpaulo return 0; 759252726Srpaulo } 760252726Srpaulo 761252726Srpaulo return -1; 762252726Srpaulo} 763252726Srpaulo 764252726Srpaulo 765281806Srpaulostatic int openssl_hmac_vector(const EVP_MD *type, const u8 *key, 766281806Srpaulo size_t key_len, size_t num_elem, 767281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac, 768281806Srpaulo unsigned int mdlen) 769252726Srpaulo{ 770252726Srpaulo HMAC_CTX ctx; 771252726Srpaulo size_t i; 772252726Srpaulo int res; 773252726Srpaulo 774252726Srpaulo HMAC_CTX_init(&ctx); 775252726Srpaulo#if OPENSSL_VERSION_NUMBER < 0x00909000 776281806Srpaulo HMAC_Init_ex(&ctx, key, key_len, type, NULL); 777252726Srpaulo#else /* openssl < 0.9.9 */ 778281806Srpaulo if (HMAC_Init_ex(&ctx, key, key_len, type, NULL) != 1) 779252726Srpaulo return -1; 780252726Srpaulo#endif /* openssl < 0.9.9 */ 781252726Srpaulo 782252726Srpaulo for (i = 0; i < num_elem; i++) 783252726Srpaulo HMAC_Update(&ctx, addr[i], len[i]); 784252726Srpaulo 785252726Srpaulo#if OPENSSL_VERSION_NUMBER < 0x00909000 786252726Srpaulo HMAC_Final(&ctx, mac, &mdlen); 787252726Srpaulo res = 1; 788252726Srpaulo#else /* openssl < 0.9.9 */ 789252726Srpaulo res = HMAC_Final(&ctx, mac, &mdlen); 790252726Srpaulo#endif /* openssl < 0.9.9 */ 791252726Srpaulo HMAC_CTX_cleanup(&ctx); 792252726Srpaulo 793252726Srpaulo return res == 1 ? 0 : -1; 794252726Srpaulo} 795252726Srpaulo 796252726Srpaulo 797281806Srpaulo#ifndef CONFIG_FIPS 798281806Srpaulo 799281806Srpauloint hmac_md5_vector(const u8 *key, size_t key_len, size_t num_elem, 800281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 801281806Srpaulo{ 802281806Srpaulo return openssl_hmac_vector(EVP_md5(), key ,key_len, num_elem, addr, len, 803281806Srpaulo mac, 16); 804281806Srpaulo} 805281806Srpaulo 806281806Srpaulo 807281806Srpauloint hmac_md5(const u8 *key, size_t key_len, const u8 *data, size_t data_len, 808281806Srpaulo u8 *mac) 809281806Srpaulo{ 810281806Srpaulo return hmac_md5_vector(key, key_len, 1, &data, &data_len, mac); 811281806Srpaulo} 812281806Srpaulo 813281806Srpaulo#endif /* CONFIG_FIPS */ 814281806Srpaulo 815281806Srpaulo 816281806Srpauloint pbkdf2_sha1(const char *passphrase, const u8 *ssid, size_t ssid_len, 817281806Srpaulo int iterations, u8 *buf, size_t buflen) 818281806Srpaulo{ 819281806Srpaulo if (PKCS5_PBKDF2_HMAC_SHA1(passphrase, os_strlen(passphrase), ssid, 820281806Srpaulo ssid_len, iterations, buflen, buf) != 1) 821281806Srpaulo return -1; 822281806Srpaulo return 0; 823281806Srpaulo} 824281806Srpaulo 825281806Srpaulo 826281806Srpauloint hmac_sha1_vector(const u8 *key, size_t key_len, size_t num_elem, 827281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 828281806Srpaulo{ 829281806Srpaulo return openssl_hmac_vector(EVP_sha1(), key, key_len, num_elem, addr, 830281806Srpaulo len, mac, 20); 831281806Srpaulo} 832281806Srpaulo 833281806Srpaulo 834252726Srpauloint hmac_sha1(const u8 *key, size_t key_len, const u8 *data, size_t data_len, 835252726Srpaulo u8 *mac) 836252726Srpaulo{ 837252726Srpaulo return hmac_sha1_vector(key, key_len, 1, &data, &data_len, mac); 838252726Srpaulo} 839252726Srpaulo 840252726Srpaulo 841252726Srpaulo#ifdef CONFIG_SHA256 842252726Srpaulo 843252726Srpauloint hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem, 844252726Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 845252726Srpaulo{ 846281806Srpaulo return openssl_hmac_vector(EVP_sha256(), key, key_len, num_elem, addr, 847281806Srpaulo len, mac, 32); 848281806Srpaulo} 849252726Srpaulo 850252726Srpaulo 851281806Srpauloint hmac_sha256(const u8 *key, size_t key_len, const u8 *data, 852281806Srpaulo size_t data_len, u8 *mac) 853281806Srpaulo{ 854281806Srpaulo return hmac_sha256_vector(key, key_len, 1, &data, &data_len, mac); 855281806Srpaulo} 856252726Srpaulo 857281806Srpaulo#endif /* CONFIG_SHA256 */ 858252726Srpaulo 859281806Srpaulo 860281806Srpaulo#ifdef CONFIG_SHA384 861281806Srpaulo 862281806Srpauloint hmac_sha384_vector(const u8 *key, size_t key_len, size_t num_elem, 863281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 864281806Srpaulo{ 865281806Srpaulo return openssl_hmac_vector(EVP_sha384(), key, key_len, num_elem, addr, 866281806Srpaulo len, mac, 32); 867252726Srpaulo} 868252726Srpaulo 869252726Srpaulo 870281806Srpauloint hmac_sha384(const u8 *key, size_t key_len, const u8 *data, 871252726Srpaulo size_t data_len, u8 *mac) 872252726Srpaulo{ 873281806Srpaulo return hmac_sha384_vector(key, key_len, 1, &data, &data_len, mac); 874252726Srpaulo} 875252726Srpaulo 876281806Srpaulo#endif /* CONFIG_SHA384 */ 877252726Srpaulo 878252726Srpaulo 879252726Srpauloint crypto_get_random(void *buf, size_t len) 880252726Srpaulo{ 881252726Srpaulo if (RAND_bytes(buf, len) != 1) 882252726Srpaulo return -1; 883252726Srpaulo return 0; 884252726Srpaulo} 885252726Srpaulo 886252726Srpaulo 887252726Srpaulo#ifdef CONFIG_OPENSSL_CMAC 888281806Srpauloint omac1_aes_vector(const u8 *key, size_t key_len, size_t num_elem, 889281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 890252726Srpaulo{ 891252726Srpaulo CMAC_CTX *ctx; 892252726Srpaulo int ret = -1; 893252726Srpaulo size_t outlen, i; 894252726Srpaulo 895252726Srpaulo ctx = CMAC_CTX_new(); 896252726Srpaulo if (ctx == NULL) 897252726Srpaulo return -1; 898252726Srpaulo 899281806Srpaulo if (key_len == 32) { 900281806Srpaulo if (!CMAC_Init(ctx, key, 32, EVP_aes_256_cbc(), NULL)) 901281806Srpaulo goto fail; 902281806Srpaulo } else if (key_len == 16) { 903281806Srpaulo if (!CMAC_Init(ctx, key, 16, EVP_aes_128_cbc(), NULL)) 904281806Srpaulo goto fail; 905281806Srpaulo } else { 906252726Srpaulo goto fail; 907281806Srpaulo } 908252726Srpaulo for (i = 0; i < num_elem; i++) { 909252726Srpaulo if (!CMAC_Update(ctx, addr[i], len[i])) 910252726Srpaulo goto fail; 911252726Srpaulo } 912252726Srpaulo if (!CMAC_Final(ctx, mac, &outlen) || outlen != 16) 913252726Srpaulo goto fail; 914252726Srpaulo 915252726Srpaulo ret = 0; 916252726Srpaulofail: 917252726Srpaulo CMAC_CTX_free(ctx); 918252726Srpaulo return ret; 919252726Srpaulo} 920252726Srpaulo 921252726Srpaulo 922281806Srpauloint omac1_aes_128_vector(const u8 *key, size_t num_elem, 923281806Srpaulo const u8 *addr[], const size_t *len, u8 *mac) 924281806Srpaulo{ 925281806Srpaulo return omac1_aes_vector(key, 16, num_elem, addr, len, mac); 926281806Srpaulo} 927281806Srpaulo 928281806Srpaulo 929252726Srpauloint omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac) 930252726Srpaulo{ 931252726Srpaulo return omac1_aes_128_vector(key, 1, &data, &data_len, mac); 932252726Srpaulo} 933281806Srpaulo 934281806Srpaulo 935281806Srpauloint omac1_aes_256(const u8 *key, const u8 *data, size_t data_len, u8 *mac) 936281806Srpaulo{ 937281806Srpaulo return omac1_aes_vector(key, 32, 1, &data, &data_len, mac); 938281806Srpaulo} 939252726Srpaulo#endif /* CONFIG_OPENSSL_CMAC */ 940281806Srpaulo 941281806Srpaulo 942281806Srpaulostruct crypto_bignum * crypto_bignum_init(void) 943281806Srpaulo{ 944281806Srpaulo return (struct crypto_bignum *) BN_new(); 945281806Srpaulo} 946281806Srpaulo 947281806Srpaulo 948281806Srpaulostruct crypto_bignum * crypto_bignum_init_set(const u8 *buf, size_t len) 949281806Srpaulo{ 950281806Srpaulo BIGNUM *bn = BN_bin2bn(buf, len, NULL); 951281806Srpaulo return (struct crypto_bignum *) bn; 952281806Srpaulo} 953281806Srpaulo 954281806Srpaulo 955281806Srpaulovoid crypto_bignum_deinit(struct crypto_bignum *n, int clear) 956281806Srpaulo{ 957281806Srpaulo if (clear) 958281806Srpaulo BN_clear_free((BIGNUM *) n); 959281806Srpaulo else 960281806Srpaulo BN_free((BIGNUM *) n); 961281806Srpaulo} 962281806Srpaulo 963281806Srpaulo 964281806Srpauloint crypto_bignum_to_bin(const struct crypto_bignum *a, 965281806Srpaulo u8 *buf, size_t buflen, size_t padlen) 966281806Srpaulo{ 967281806Srpaulo int num_bytes, offset; 968281806Srpaulo 969281806Srpaulo if (padlen > buflen) 970281806Srpaulo return -1; 971281806Srpaulo 972281806Srpaulo num_bytes = BN_num_bytes((const BIGNUM *) a); 973281806Srpaulo if ((size_t) num_bytes > buflen) 974281806Srpaulo return -1; 975281806Srpaulo if (padlen > (size_t) num_bytes) 976281806Srpaulo offset = padlen - num_bytes; 977281806Srpaulo else 978281806Srpaulo offset = 0; 979281806Srpaulo 980281806Srpaulo os_memset(buf, 0, offset); 981281806Srpaulo BN_bn2bin((const BIGNUM *) a, buf + offset); 982281806Srpaulo 983281806Srpaulo return num_bytes + offset; 984281806Srpaulo} 985281806Srpaulo 986281806Srpaulo 987281806Srpauloint crypto_bignum_add(const struct crypto_bignum *a, 988281806Srpaulo const struct crypto_bignum *b, 989281806Srpaulo struct crypto_bignum *c) 990281806Srpaulo{ 991281806Srpaulo return BN_add((BIGNUM *) c, (const BIGNUM *) a, (const BIGNUM *) b) ? 992281806Srpaulo 0 : -1; 993281806Srpaulo} 994281806Srpaulo 995281806Srpaulo 996281806Srpauloint crypto_bignum_mod(const struct crypto_bignum *a, 997281806Srpaulo const struct crypto_bignum *b, 998281806Srpaulo struct crypto_bignum *c) 999281806Srpaulo{ 1000281806Srpaulo int res; 1001281806Srpaulo BN_CTX *bnctx; 1002281806Srpaulo 1003281806Srpaulo bnctx = BN_CTX_new(); 1004281806Srpaulo if (bnctx == NULL) 1005281806Srpaulo return -1; 1006281806Srpaulo res = BN_mod((BIGNUM *) c, (const BIGNUM *) a, (const BIGNUM *) b, 1007281806Srpaulo bnctx); 1008281806Srpaulo BN_CTX_free(bnctx); 1009281806Srpaulo 1010281806Srpaulo return res ? 0 : -1; 1011281806Srpaulo} 1012281806Srpaulo 1013281806Srpaulo 1014281806Srpauloint crypto_bignum_exptmod(const struct crypto_bignum *a, 1015281806Srpaulo const struct crypto_bignum *b, 1016281806Srpaulo const struct crypto_bignum *c, 1017281806Srpaulo struct crypto_bignum *d) 1018281806Srpaulo{ 1019281806Srpaulo int res; 1020281806Srpaulo BN_CTX *bnctx; 1021281806Srpaulo 1022281806Srpaulo bnctx = BN_CTX_new(); 1023281806Srpaulo if (bnctx == NULL) 1024281806Srpaulo return -1; 1025281806Srpaulo res = BN_mod_exp((BIGNUM *) d, (const BIGNUM *) a, (const BIGNUM *) b, 1026281806Srpaulo (const BIGNUM *) c, bnctx); 1027281806Srpaulo BN_CTX_free(bnctx); 1028281806Srpaulo 1029281806Srpaulo return res ? 0 : -1; 1030281806Srpaulo} 1031281806Srpaulo 1032281806Srpaulo 1033281806Srpauloint crypto_bignum_inverse(const struct crypto_bignum *a, 1034281806Srpaulo const struct crypto_bignum *b, 1035281806Srpaulo struct crypto_bignum *c) 1036281806Srpaulo{ 1037281806Srpaulo BIGNUM *res; 1038281806Srpaulo BN_CTX *bnctx; 1039281806Srpaulo 1040281806Srpaulo bnctx = BN_CTX_new(); 1041281806Srpaulo if (bnctx == NULL) 1042281806Srpaulo return -1; 1043281806Srpaulo res = BN_mod_inverse((BIGNUM *) c, (const BIGNUM *) a, 1044281806Srpaulo (const BIGNUM *) b, bnctx); 1045281806Srpaulo BN_CTX_free(bnctx); 1046281806Srpaulo 1047281806Srpaulo return res ? 0 : -1; 1048281806Srpaulo} 1049281806Srpaulo 1050281806Srpaulo 1051281806Srpauloint crypto_bignum_sub(const struct crypto_bignum *a, 1052281806Srpaulo const struct crypto_bignum *b, 1053281806Srpaulo struct crypto_bignum *c) 1054281806Srpaulo{ 1055281806Srpaulo return BN_sub((BIGNUM *) c, (const BIGNUM *) a, (const BIGNUM *) b) ? 1056281806Srpaulo 0 : -1; 1057281806Srpaulo} 1058281806Srpaulo 1059281806Srpaulo 1060281806Srpauloint crypto_bignum_div(const struct crypto_bignum *a, 1061281806Srpaulo const struct crypto_bignum *b, 1062281806Srpaulo struct crypto_bignum *c) 1063281806Srpaulo{ 1064281806Srpaulo int res; 1065281806Srpaulo 1066281806Srpaulo BN_CTX *bnctx; 1067281806Srpaulo 1068281806Srpaulo bnctx = BN_CTX_new(); 1069281806Srpaulo if (bnctx == NULL) 1070281806Srpaulo return -1; 1071281806Srpaulo res = BN_div((BIGNUM *) c, NULL, (const BIGNUM *) a, 1072281806Srpaulo (const BIGNUM *) b, bnctx); 1073281806Srpaulo BN_CTX_free(bnctx); 1074281806Srpaulo 1075281806Srpaulo return res ? 0 : -1; 1076281806Srpaulo} 1077281806Srpaulo 1078281806Srpaulo 1079281806Srpauloint crypto_bignum_mulmod(const struct crypto_bignum *a, 1080281806Srpaulo const struct crypto_bignum *b, 1081281806Srpaulo const struct crypto_bignum *c, 1082281806Srpaulo struct crypto_bignum *d) 1083281806Srpaulo{ 1084281806Srpaulo int res; 1085281806Srpaulo 1086281806Srpaulo BN_CTX *bnctx; 1087281806Srpaulo 1088281806Srpaulo bnctx = BN_CTX_new(); 1089281806Srpaulo if (bnctx == NULL) 1090281806Srpaulo return -1; 1091281806Srpaulo res = BN_mod_mul((BIGNUM *) d, (const BIGNUM *) a, (const BIGNUM *) b, 1092281806Srpaulo (const BIGNUM *) c, bnctx); 1093281806Srpaulo BN_CTX_free(bnctx); 1094281806Srpaulo 1095281806Srpaulo return res ? 0 : -1; 1096281806Srpaulo} 1097281806Srpaulo 1098281806Srpaulo 1099281806Srpauloint crypto_bignum_cmp(const struct crypto_bignum *a, 1100281806Srpaulo const struct crypto_bignum *b) 1101281806Srpaulo{ 1102281806Srpaulo return BN_cmp((const BIGNUM *) a, (const BIGNUM *) b); 1103281806Srpaulo} 1104281806Srpaulo 1105281806Srpaulo 1106281806Srpauloint crypto_bignum_bits(const struct crypto_bignum *a) 1107281806Srpaulo{ 1108281806Srpaulo return BN_num_bits((const BIGNUM *) a); 1109281806Srpaulo} 1110281806Srpaulo 1111281806Srpaulo 1112281806Srpauloint crypto_bignum_is_zero(const struct crypto_bignum *a) 1113281806Srpaulo{ 1114281806Srpaulo return BN_is_zero((const BIGNUM *) a); 1115281806Srpaulo} 1116281806Srpaulo 1117281806Srpaulo 1118281806Srpauloint crypto_bignum_is_one(const struct crypto_bignum *a) 1119281806Srpaulo{ 1120281806Srpaulo return BN_is_one((const BIGNUM *) a); 1121281806Srpaulo} 1122281806Srpaulo 1123281806Srpaulo 1124289549Srpauloint crypto_bignum_legendre(const struct crypto_bignum *a, 1125289549Srpaulo const struct crypto_bignum *p) 1126289549Srpaulo{ 1127289549Srpaulo BN_CTX *bnctx; 1128289549Srpaulo BIGNUM *exp = NULL, *tmp = NULL; 1129289549Srpaulo int res = -2; 1130289549Srpaulo 1131289549Srpaulo bnctx = BN_CTX_new(); 1132289549Srpaulo if (bnctx == NULL) 1133289549Srpaulo return -2; 1134289549Srpaulo 1135289549Srpaulo exp = BN_new(); 1136289549Srpaulo tmp = BN_new(); 1137289549Srpaulo if (!exp || !tmp || 1138289549Srpaulo /* exp = (p-1) / 2 */ 1139289549Srpaulo !BN_sub(exp, (const BIGNUM *) p, BN_value_one()) || 1140289549Srpaulo !BN_rshift1(exp, exp) || 1141289549Srpaulo !BN_mod_exp(tmp, (const BIGNUM *) a, exp, (const BIGNUM *) p, 1142289549Srpaulo bnctx)) 1143289549Srpaulo goto fail; 1144289549Srpaulo 1145289549Srpaulo if (BN_is_word(tmp, 1)) 1146289549Srpaulo res = 1; 1147289549Srpaulo else if (BN_is_zero(tmp)) 1148289549Srpaulo res = 0; 1149289549Srpaulo else 1150289549Srpaulo res = -1; 1151289549Srpaulo 1152289549Srpaulofail: 1153289549Srpaulo BN_clear_free(tmp); 1154289549Srpaulo BN_clear_free(exp); 1155289549Srpaulo BN_CTX_free(bnctx); 1156289549Srpaulo return res; 1157289549Srpaulo} 1158289549Srpaulo 1159289549Srpaulo 1160281806Srpaulo#ifdef CONFIG_ECC 1161281806Srpaulo 1162281806Srpaulostruct crypto_ec { 1163281806Srpaulo EC_GROUP *group; 1164281806Srpaulo BN_CTX *bnctx; 1165281806Srpaulo BIGNUM *prime; 1166281806Srpaulo BIGNUM *order; 1167289549Srpaulo BIGNUM *a; 1168289549Srpaulo BIGNUM *b; 1169281806Srpaulo}; 1170281806Srpaulo 1171281806Srpaulostruct crypto_ec * crypto_ec_init(int group) 1172281806Srpaulo{ 1173281806Srpaulo struct crypto_ec *e; 1174281806Srpaulo int nid; 1175281806Srpaulo 1176281806Srpaulo /* Map from IANA registry for IKE D-H groups to OpenSSL NID */ 1177281806Srpaulo switch (group) { 1178281806Srpaulo case 19: 1179281806Srpaulo nid = NID_X9_62_prime256v1; 1180281806Srpaulo break; 1181281806Srpaulo case 20: 1182281806Srpaulo nid = NID_secp384r1; 1183281806Srpaulo break; 1184281806Srpaulo case 21: 1185281806Srpaulo nid = NID_secp521r1; 1186281806Srpaulo break; 1187281806Srpaulo case 25: 1188281806Srpaulo nid = NID_X9_62_prime192v1; 1189281806Srpaulo break; 1190281806Srpaulo case 26: 1191281806Srpaulo nid = NID_secp224r1; 1192281806Srpaulo break; 1193289549Srpaulo#ifdef NID_brainpoolP224r1 1194289549Srpaulo case 27: 1195289549Srpaulo nid = NID_brainpoolP224r1; 1196289549Srpaulo break; 1197289549Srpaulo#endif /* NID_brainpoolP224r1 */ 1198289549Srpaulo#ifdef NID_brainpoolP256r1 1199289549Srpaulo case 28: 1200289549Srpaulo nid = NID_brainpoolP256r1; 1201289549Srpaulo break; 1202289549Srpaulo#endif /* NID_brainpoolP256r1 */ 1203289549Srpaulo#ifdef NID_brainpoolP384r1 1204289549Srpaulo case 29: 1205289549Srpaulo nid = NID_brainpoolP384r1; 1206289549Srpaulo break; 1207289549Srpaulo#endif /* NID_brainpoolP384r1 */ 1208289549Srpaulo#ifdef NID_brainpoolP512r1 1209289549Srpaulo case 30: 1210289549Srpaulo nid = NID_brainpoolP512r1; 1211289549Srpaulo break; 1212289549Srpaulo#endif /* NID_brainpoolP512r1 */ 1213281806Srpaulo default: 1214281806Srpaulo return NULL; 1215281806Srpaulo } 1216281806Srpaulo 1217281806Srpaulo e = os_zalloc(sizeof(*e)); 1218281806Srpaulo if (e == NULL) 1219281806Srpaulo return NULL; 1220281806Srpaulo 1221281806Srpaulo e->bnctx = BN_CTX_new(); 1222281806Srpaulo e->group = EC_GROUP_new_by_curve_name(nid); 1223281806Srpaulo e->prime = BN_new(); 1224281806Srpaulo e->order = BN_new(); 1225289549Srpaulo e->a = BN_new(); 1226289549Srpaulo e->b = BN_new(); 1227281806Srpaulo if (e->group == NULL || e->bnctx == NULL || e->prime == NULL || 1228289549Srpaulo e->order == NULL || e->a == NULL || e->b == NULL || 1229289549Srpaulo !EC_GROUP_get_curve_GFp(e->group, e->prime, e->a, e->b, e->bnctx) || 1230281806Srpaulo !EC_GROUP_get_order(e->group, e->order, e->bnctx)) { 1231281806Srpaulo crypto_ec_deinit(e); 1232281806Srpaulo e = NULL; 1233281806Srpaulo } 1234281806Srpaulo 1235281806Srpaulo return e; 1236281806Srpaulo} 1237281806Srpaulo 1238281806Srpaulo 1239281806Srpaulovoid crypto_ec_deinit(struct crypto_ec *e) 1240281806Srpaulo{ 1241281806Srpaulo if (e == NULL) 1242281806Srpaulo return; 1243289549Srpaulo BN_clear_free(e->b); 1244289549Srpaulo BN_clear_free(e->a); 1245281806Srpaulo BN_clear_free(e->order); 1246281806Srpaulo BN_clear_free(e->prime); 1247281806Srpaulo EC_GROUP_free(e->group); 1248281806Srpaulo BN_CTX_free(e->bnctx); 1249281806Srpaulo os_free(e); 1250281806Srpaulo} 1251281806Srpaulo 1252281806Srpaulo 1253281806Srpaulostruct crypto_ec_point * crypto_ec_point_init(struct crypto_ec *e) 1254281806Srpaulo{ 1255281806Srpaulo if (e == NULL) 1256281806Srpaulo return NULL; 1257281806Srpaulo return (struct crypto_ec_point *) EC_POINT_new(e->group); 1258281806Srpaulo} 1259281806Srpaulo 1260281806Srpaulo 1261281806Srpaulosize_t crypto_ec_prime_len(struct crypto_ec *e) 1262281806Srpaulo{ 1263281806Srpaulo return BN_num_bytes(e->prime); 1264281806Srpaulo} 1265281806Srpaulo 1266281806Srpaulo 1267281806Srpaulosize_t crypto_ec_prime_len_bits(struct crypto_ec *e) 1268281806Srpaulo{ 1269281806Srpaulo return BN_num_bits(e->prime); 1270281806Srpaulo} 1271281806Srpaulo 1272281806Srpaulo 1273281806Srpauloconst struct crypto_bignum * crypto_ec_get_prime(struct crypto_ec *e) 1274281806Srpaulo{ 1275281806Srpaulo return (const struct crypto_bignum *) e->prime; 1276281806Srpaulo} 1277281806Srpaulo 1278281806Srpaulo 1279281806Srpauloconst struct crypto_bignum * crypto_ec_get_order(struct crypto_ec *e) 1280281806Srpaulo{ 1281281806Srpaulo return (const struct crypto_bignum *) e->order; 1282281806Srpaulo} 1283281806Srpaulo 1284281806Srpaulo 1285281806Srpaulovoid crypto_ec_point_deinit(struct crypto_ec_point *p, int clear) 1286281806Srpaulo{ 1287281806Srpaulo if (clear) 1288281806Srpaulo EC_POINT_clear_free((EC_POINT *) p); 1289281806Srpaulo else 1290281806Srpaulo EC_POINT_free((EC_POINT *) p); 1291281806Srpaulo} 1292281806Srpaulo 1293281806Srpaulo 1294281806Srpauloint crypto_ec_point_to_bin(struct crypto_ec *e, 1295281806Srpaulo const struct crypto_ec_point *point, u8 *x, u8 *y) 1296281806Srpaulo{ 1297281806Srpaulo BIGNUM *x_bn, *y_bn; 1298281806Srpaulo int ret = -1; 1299281806Srpaulo int len = BN_num_bytes(e->prime); 1300281806Srpaulo 1301281806Srpaulo x_bn = BN_new(); 1302281806Srpaulo y_bn = BN_new(); 1303281806Srpaulo 1304281806Srpaulo if (x_bn && y_bn && 1305281806Srpaulo EC_POINT_get_affine_coordinates_GFp(e->group, (EC_POINT *) point, 1306281806Srpaulo x_bn, y_bn, e->bnctx)) { 1307281806Srpaulo if (x) { 1308281806Srpaulo crypto_bignum_to_bin((struct crypto_bignum *) x_bn, 1309281806Srpaulo x, len, len); 1310281806Srpaulo } 1311281806Srpaulo if (y) { 1312281806Srpaulo crypto_bignum_to_bin((struct crypto_bignum *) y_bn, 1313281806Srpaulo y, len, len); 1314281806Srpaulo } 1315281806Srpaulo ret = 0; 1316281806Srpaulo } 1317281806Srpaulo 1318281806Srpaulo BN_clear_free(x_bn); 1319281806Srpaulo BN_clear_free(y_bn); 1320281806Srpaulo return ret; 1321281806Srpaulo} 1322281806Srpaulo 1323281806Srpaulo 1324281806Srpaulostruct crypto_ec_point * crypto_ec_point_from_bin(struct crypto_ec *e, 1325281806Srpaulo const u8 *val) 1326281806Srpaulo{ 1327281806Srpaulo BIGNUM *x, *y; 1328281806Srpaulo EC_POINT *elem; 1329281806Srpaulo int len = BN_num_bytes(e->prime); 1330281806Srpaulo 1331281806Srpaulo x = BN_bin2bn(val, len, NULL); 1332281806Srpaulo y = BN_bin2bn(val + len, len, NULL); 1333281806Srpaulo elem = EC_POINT_new(e->group); 1334281806Srpaulo if (x == NULL || y == NULL || elem == NULL) { 1335281806Srpaulo BN_clear_free(x); 1336281806Srpaulo BN_clear_free(y); 1337281806Srpaulo EC_POINT_clear_free(elem); 1338281806Srpaulo return NULL; 1339281806Srpaulo } 1340281806Srpaulo 1341281806Srpaulo if (!EC_POINT_set_affine_coordinates_GFp(e->group, elem, x, y, 1342281806Srpaulo e->bnctx)) { 1343281806Srpaulo EC_POINT_clear_free(elem); 1344281806Srpaulo elem = NULL; 1345281806Srpaulo } 1346281806Srpaulo 1347281806Srpaulo BN_clear_free(x); 1348281806Srpaulo BN_clear_free(y); 1349281806Srpaulo 1350281806Srpaulo return (struct crypto_ec_point *) elem; 1351281806Srpaulo} 1352281806Srpaulo 1353281806Srpaulo 1354281806Srpauloint crypto_ec_point_add(struct crypto_ec *e, const struct crypto_ec_point *a, 1355281806Srpaulo const struct crypto_ec_point *b, 1356281806Srpaulo struct crypto_ec_point *c) 1357281806Srpaulo{ 1358281806Srpaulo return EC_POINT_add(e->group, (EC_POINT *) c, (const EC_POINT *) a, 1359281806Srpaulo (const EC_POINT *) b, e->bnctx) ? 0 : -1; 1360281806Srpaulo} 1361281806Srpaulo 1362281806Srpaulo 1363281806Srpauloint crypto_ec_point_mul(struct crypto_ec *e, const struct crypto_ec_point *p, 1364281806Srpaulo const struct crypto_bignum *b, 1365281806Srpaulo struct crypto_ec_point *res) 1366281806Srpaulo{ 1367281806Srpaulo return EC_POINT_mul(e->group, (EC_POINT *) res, NULL, 1368281806Srpaulo (const EC_POINT *) p, (const BIGNUM *) b, e->bnctx) 1369281806Srpaulo ? 0 : -1; 1370281806Srpaulo} 1371281806Srpaulo 1372281806Srpaulo 1373281806Srpauloint crypto_ec_point_invert(struct crypto_ec *e, struct crypto_ec_point *p) 1374281806Srpaulo{ 1375281806Srpaulo return EC_POINT_invert(e->group, (EC_POINT *) p, e->bnctx) ? 0 : -1; 1376281806Srpaulo} 1377281806Srpaulo 1378281806Srpaulo 1379281806Srpauloint crypto_ec_point_solve_y_coord(struct crypto_ec *e, 1380281806Srpaulo struct crypto_ec_point *p, 1381281806Srpaulo const struct crypto_bignum *x, int y_bit) 1382281806Srpaulo{ 1383281806Srpaulo if (!EC_POINT_set_compressed_coordinates_GFp(e->group, (EC_POINT *) p, 1384281806Srpaulo (const BIGNUM *) x, y_bit, 1385281806Srpaulo e->bnctx) || 1386281806Srpaulo !EC_POINT_is_on_curve(e->group, (EC_POINT *) p, e->bnctx)) 1387281806Srpaulo return -1; 1388281806Srpaulo return 0; 1389281806Srpaulo} 1390281806Srpaulo 1391281806Srpaulo 1392289549Srpaulostruct crypto_bignum * 1393289549Srpaulocrypto_ec_point_compute_y_sqr(struct crypto_ec *e, 1394289549Srpaulo const struct crypto_bignum *x) 1395289549Srpaulo{ 1396289549Srpaulo BIGNUM *tmp, *tmp2, *y_sqr = NULL; 1397289549Srpaulo 1398289549Srpaulo tmp = BN_new(); 1399289549Srpaulo tmp2 = BN_new(); 1400289549Srpaulo 1401289549Srpaulo /* y^2 = x^3 + ax + b */ 1402289549Srpaulo if (tmp && tmp2 && 1403289549Srpaulo BN_mod_sqr(tmp, (const BIGNUM *) x, e->prime, e->bnctx) && 1404289549Srpaulo BN_mod_mul(tmp, tmp, (const BIGNUM *) x, e->prime, e->bnctx) && 1405289549Srpaulo BN_mod_mul(tmp2, e->a, (const BIGNUM *) x, e->prime, e->bnctx) && 1406289549Srpaulo BN_mod_add_quick(tmp2, tmp2, tmp, e->prime) && 1407289549Srpaulo BN_mod_add_quick(tmp2, tmp2, e->b, e->prime)) { 1408289549Srpaulo y_sqr = tmp2; 1409289549Srpaulo tmp2 = NULL; 1410289549Srpaulo } 1411289549Srpaulo 1412289549Srpaulo BN_clear_free(tmp); 1413289549Srpaulo BN_clear_free(tmp2); 1414289549Srpaulo 1415289549Srpaulo return (struct crypto_bignum *) y_sqr; 1416289549Srpaulo} 1417289549Srpaulo 1418289549Srpaulo 1419281806Srpauloint crypto_ec_point_is_at_infinity(struct crypto_ec *e, 1420281806Srpaulo const struct crypto_ec_point *p) 1421281806Srpaulo{ 1422281806Srpaulo return EC_POINT_is_at_infinity(e->group, (const EC_POINT *) p); 1423281806Srpaulo} 1424281806Srpaulo 1425281806Srpaulo 1426281806Srpauloint crypto_ec_point_is_on_curve(struct crypto_ec *e, 1427281806Srpaulo const struct crypto_ec_point *p) 1428281806Srpaulo{ 1429289549Srpaulo return EC_POINT_is_on_curve(e->group, (const EC_POINT *) p, 1430289549Srpaulo e->bnctx) == 1; 1431281806Srpaulo} 1432281806Srpaulo 1433289549Srpaulo 1434289549Srpauloint crypto_ec_point_cmp(const struct crypto_ec *e, 1435289549Srpaulo const struct crypto_ec_point *a, 1436289549Srpaulo const struct crypto_ec_point *b) 1437289549Srpaulo{ 1438289549Srpaulo return EC_POINT_cmp(e->group, (const EC_POINT *) a, 1439289549Srpaulo (const EC_POINT *) b, e->bnctx); 1440289549Srpaulo} 1441289549Srpaulo 1442281806Srpaulo#endif /* CONFIG_ECC */ 1443