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usr / src / contrib / wpa / src / crypto /

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📄 aes-cbc.c(1.93 KB)
📄 aes-ccm.c(4.92 KB)
📄 aes-ctr.c(1.64 KB)
📄 aes-eax.c(3.24 KB)
📄 aes-encblock.c(704 B)
📄 aes-gcm.c(6.47 KB)
📄 aes-internal-dec.c(3.64 KB)
📄 aes-internal-enc.c(2.66 KB)
📄 aes-internal.c(41.23 KB)
📄 aes-omac1.c(4.46 KB)
📄 aes-siv.c(4.06 KB)
📄 aes-unwrap.c(1.78 KB)
📄 aes-wrap.c(1.62 KB)
📄 aes.h(548 B)
📄 aes_i.h(4.16 KB)
📄 aes_siv.h(565 B)
📄 aes_wrap.h(2.91 KB)
📄 crypto.h(28.61 KB)
📄 crypto_gnutls.c(11.42 KB)
📄 crypto_internal-cipher.c(5.08 KB)
📄 crypto_internal-modexp.c(2.95 KB)
📄 crypto_internal-rsa.c(2.81 KB)
📄 crypto_internal.c(6.84 KB)
📄 crypto_libtomcrypt.c(15.07 KB)
📄 crypto_linux.c(21.77 KB)
📄 crypto_module_tests.c(61.19 KB)
📄 crypto_nettle.c(9.7 KB)
📄 crypto_none.c(461 B)
📄 crypto_openssl.c(44.34 KB)
📄 crypto_wolfssl.c(33.91 KB)
📄 des-internal.c(14.83 KB)
📄 des_i.h(709 B)
📄 dh_group5.c(806 B)
📄 dh_group5.h(556 B)
📄 dh_groups.c(54.26 KB)
📄 dh_groups.h(692 B)
📄 fips_prf_internal.c(1.37 KB)
📄 fips_prf_openssl.c(2.05 KB)
📄 fips_prf_wolfssl.c(1.75 KB)
📄 md4-internal.c(7.91 KB)
📄 md5-internal.c(8.79 KB)
📄 md5.c(2.64 KB)
📄 md5.h(505 B)
📄 md5_i.h(516 B)
📄 milenage.c(9.5 KB)
📄 milenage.h(1019 B)
📄 ms_funcs.c(16.16 KB)
📄 ms_funcs.h(2.41 KB)
📄 random.c(11.66 KB)
📄 random.h(855 B)
📄 rc4.c(1009 B)
📄 sha1-internal.c(8.93 KB)
📄 sha1-pbkdf2.c(2.34 KB)
📄 sha1-prf.c(1.58 KB)
📄 sha1-tlsprf.c(2.69 KB)
📄 sha1-tprf.c(1.75 KB)
📄 sha1.c(2.69 KB)
📄 sha1.h(1.03 KB)
📄 sha1_i.h(590 B)
📄 sha256-internal.c(6 KB)
📄 sha256-kdf.c(2.08 KB)
📄 sha256-prf.c(2.84 KB)
📄 sha256-tlsprf.c(1.81 KB)
📄 sha256.c(2.64 KB)
📄 sha256.h(1.07 KB)
📄 sha256_i.h(584 B)
📄 sha384-internal.c(2.17 KB)
📄 sha384-kdf.c(2.08 KB)
📄 sha384-prf.c(2.85 KB)
📄 sha384.c(2.63 KB)
📄 sha384.h(949 B)
📄 sha384_i.h(573 B)
📄 sha512-internal.c(7.71 KB)
📄 sha512-kdf.c(2.08 KB)
📄 sha512-prf.c(2.85 KB)
📄 sha512.c(2.63 KB)
📄 sha512.h(949 B)
📄 sha512_i.h(591 B)
📄 tls.h(23.71 KB)
📄 tls_gnutls.c(44.97 KB)
📄 tls_internal.c(18.93 KB)
📄 tls_none.c(3.9 KB)
📄 tls_openssl.c(137.99 KB)
📄 tls_openssl.h(477 B)
📄 tls_openssl_ocsp.c(20.52 KB)
📄 tls_wolfssl.c(51.88 KB)

Editing: crypto_internal.c

/*
 * Crypto wrapper for internal crypto implementation
 * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "includes.h"

#include "common.h"
#include "crypto.h"
#include "sha256_i.h"
#include "sha384_i.h"
#include "sha512_i.h"
#include "sha1_i.h"
#include "md5_i.h"

struct crypto_hash {
	enum crypto_hash_alg alg;
	union {
		struct MD5Context md5;
		struct SHA1Context sha1;
#ifdef CONFIG_SHA256
		struct sha256_state sha256;
#endif /* CONFIG_SHA256 */
#ifdef CONFIG_INTERNAL_SHA384
		struct sha384_state sha384;
#endif /* CONFIG_INTERNAL_SHA384 */
#ifdef CONFIG_INTERNAL_SHA512
		struct sha512_state sha512;
#endif /* CONFIG_INTERNAL_SHA512 */
	} u;
	u8 key[64];
	size_t key_len;
};

struct crypto_hash * crypto_hash_init(enum crypto_hash_alg alg, const u8 *key,
				      size_t key_len)
{
	struct crypto_hash *ctx;
	u8 k_pad[64];
	u8 tk[32];
	size_t i;

ctx = os_zalloc(sizeof(*ctx));
	if (ctx == NULL)
		return NULL;

ctx->alg = alg;

switch (alg) {
	case CRYPTO_HASH_ALG_MD5:
		MD5Init(&ctx->u.md5);
		break;
	case CRYPTO_HASH_ALG_SHA1:
		SHA1Init(&ctx->u.sha1);
		break;
#ifdef CONFIG_SHA256
	case CRYPTO_HASH_ALG_SHA256:
		sha256_init(&ctx->u.sha256);
		break;
#endif /* CONFIG_SHA256 */
#ifdef CONFIG_INTERNAL_SHA384
	case CRYPTO_HASH_ALG_SHA384:
		sha384_init(&ctx->u.sha384);
		break;
#endif /* CONFIG_INTERNAL_SHA384 */
#ifdef CONFIG_INTERNAL_SHA512
	case CRYPTO_HASH_ALG_SHA512:
		sha512_init(&ctx->u.sha512);
		break;
#endif /* CONFIG_INTERNAL_SHA512 */
	case CRYPTO_HASH_ALG_HMAC_MD5:
		if (key_len > sizeof(k_pad)) {
			MD5Init(&ctx->u.md5);
			MD5Update(&ctx->u.md5, key, key_len);
			MD5Final(tk, &ctx->u.md5);
			key = tk;
			key_len = 16;
		}
		os_memcpy(ctx->key, key, key_len);
		ctx->key_len = key_len;

os_memcpy(k_pad, key, key_len);
		if (key_len < sizeof(k_pad))
			os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x36;
		MD5Init(&ctx->u.md5);
		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
		break;
	case CRYPTO_HASH_ALG_HMAC_SHA1:
		if (key_len > sizeof(k_pad)) {
			SHA1Init(&ctx->u.sha1);
			SHA1Update(&ctx->u.sha1, key, key_len);
			SHA1Final(tk, &ctx->u.sha1);
			key = tk;
			key_len = 20;
		}
		os_memcpy(ctx->key, key, key_len);
		ctx->key_len = key_len;

os_memcpy(k_pad, key, key_len);
		if (key_len < sizeof(k_pad))
			os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x36;
		SHA1Init(&ctx->u.sha1);
		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
		break;
#ifdef CONFIG_SHA256
	case CRYPTO_HASH_ALG_HMAC_SHA256:
		if (key_len > sizeof(k_pad)) {
			sha256_init(&ctx->u.sha256);
			sha256_process(&ctx->u.sha256, key, key_len);
			sha256_done(&ctx->u.sha256, tk);
			key = tk;
			key_len = 32;
		}
		os_memcpy(ctx->key, key, key_len);
		ctx->key_len = key_len;

os_memcpy(k_pad, key, key_len);
		if (key_len < sizeof(k_pad))
			os_memset(k_pad + key_len, 0, sizeof(k_pad) - key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x36;
		sha256_init(&ctx->u.sha256);
		sha256_process(&ctx->u.sha256, k_pad, sizeof(k_pad));
		break;
#endif /* CONFIG_SHA256 */
	default:
		os_free(ctx);
		return NULL;
	}

return ctx;
}

void crypto_hash_update(struct crypto_hash *ctx, const u8 *data, size_t len)
{
	if (ctx == NULL)
		return;

switch (ctx->alg) {
	case CRYPTO_HASH_ALG_MD5:
	case CRYPTO_HASH_ALG_HMAC_MD5:
		MD5Update(&ctx->u.md5, data, len);
		break;
	case CRYPTO_HASH_ALG_SHA1:
	case CRYPTO_HASH_ALG_HMAC_SHA1:
		SHA1Update(&ctx->u.sha1, data, len);
		break;
#ifdef CONFIG_SHA256
	case CRYPTO_HASH_ALG_SHA256:
	case CRYPTO_HASH_ALG_HMAC_SHA256:
		sha256_process(&ctx->u.sha256, data, len);
		break;
#endif /* CONFIG_SHA256 */
#ifdef CONFIG_INTERNAL_SHA384
	case CRYPTO_HASH_ALG_SHA384:
		sha384_process(&ctx->u.sha384, data, len);
		break;
#endif /* CONFIG_INTERNAL_SHA384 */
#ifdef CONFIG_INTERNAL_SHA512
	case CRYPTO_HASH_ALG_SHA512:
		sha512_process(&ctx->u.sha512, data, len);
		break;
#endif /* CONFIG_INTERNAL_SHA512 */
	default:
		break;
	}
}

int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
{
	u8 k_pad[64];
	size_t i;

if (ctx == NULL)
		return -2;

if (mac == NULL || len == NULL) {
		os_free(ctx);
		return 0;
	}

switch (ctx->alg) {
	case CRYPTO_HASH_ALG_MD5:
		if (*len < 16) {
			*len = 16;
			os_free(ctx);
			return -1;
		}
		*len = 16;
		MD5Final(mac, &ctx->u.md5);
		break;
	case CRYPTO_HASH_ALG_SHA1:
		if (*len < 20) {
			*len = 20;
			os_free(ctx);
			return -1;
		}
		*len = 20;
		SHA1Final(mac, &ctx->u.sha1);
		break;
#ifdef CONFIG_SHA256
	case CRYPTO_HASH_ALG_SHA256:
		if (*len < 32) {
			*len = 32;
			os_free(ctx);
			return -1;
		}
		*len = 32;
		sha256_done(&ctx->u.sha256, mac);
		break;
#endif /* CONFIG_SHA256 */
#ifdef CONFIG_INTERNAL_SHA384
	case CRYPTO_HASH_ALG_SHA384:
		if (*len < 48) {
			*len = 48;
			os_free(ctx);
			return -1;
		}
		*len = 48;
		sha384_done(&ctx->u.sha384, mac);
		break;
#endif /* CONFIG_INTERNAL_SHA384 */
#ifdef CONFIG_INTERNAL_SHA512
	case CRYPTO_HASH_ALG_SHA512:
		if (*len < 64) {
			*len = 64;
			os_free(ctx);
			return -1;
		}
		*len = 64;
		sha512_done(&ctx->u.sha512, mac);
		break;
#endif /* CONFIG_INTERNAL_SHA512 */
	case CRYPTO_HASH_ALG_HMAC_MD5:
		if (*len < 16) {
			*len = 16;
			os_free(ctx);
			return -1;
		}
		*len = 16;

MD5Final(mac, &ctx->u.md5);

os_memcpy(k_pad, ctx->key, ctx->key_len);
		os_memset(k_pad + ctx->key_len, 0,
			  sizeof(k_pad) - ctx->key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x5c;
		MD5Init(&ctx->u.md5);
		MD5Update(&ctx->u.md5, k_pad, sizeof(k_pad));
		MD5Update(&ctx->u.md5, mac, 16);
		MD5Final(mac, &ctx->u.md5);
		break;
	case CRYPTO_HASH_ALG_HMAC_SHA1:
		if (*len < 20) {
			*len = 20;
			os_free(ctx);
			return -1;
		}
		*len = 20;

SHA1Final(mac, &ctx->u.sha1);

os_memcpy(k_pad, ctx->key, ctx->key_len);
		os_memset(k_pad + ctx->key_len, 0,
			  sizeof(k_pad) - ctx->key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x5c;
		SHA1Init(&ctx->u.sha1);
		SHA1Update(&ctx->u.sha1, k_pad, sizeof(k_pad));
		SHA1Update(&ctx->u.sha1, mac, 20);
		SHA1Final(mac, &ctx->u.sha1);
		break;
#ifdef CONFIG_SHA256
	case CRYPTO_HASH_ALG_HMAC_SHA256:
		if (*len < 32) {
			*len = 32;
			os_free(ctx);
			return -1;
		}
		*len = 32;

sha256_done(&ctx->u.sha256, mac);

os_memcpy(k_pad, ctx->key, ctx->key_len);
		os_memset(k_pad + ctx->key_len, 0,
			  sizeof(k_pad) - ctx->key_len);
		for (i = 0; i < sizeof(k_pad); i++)
			k_pad[i] ^= 0x5c;
		sha256_init(&ctx->u.sha256);
		sha256_process(&ctx->u.sha256, k_pad, sizeof(k_pad));
		sha256_process(&ctx->u.sha256, mac, 32);
		sha256_done(&ctx->u.sha256, mac);
		break;
#endif /* CONFIG_SHA256 */
	default:
		os_free(ctx);
		return -1;
	}

os_free(ctx);

if (TEST_FAIL())
		return -1;

return 0;
}

int crypto_global_init(void)
{
	return 0;
}

void crypto_global_deinit(void)
{
}

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Editing: crypto_internal.c

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