ifdef NEED_TLS_PRF_SHA256
OBJS += src/crypto/sha256-tlsprf.c
endif
+ifdef NEED_HMAC_SHA256_KDF
+OBJS += src/crypto/sha256-kdf.c
+endif
+ifdef NEED_HMAC_SHA384_KDF
+OBJS += src/crypto/sha384-kdf.c
+endif
+ifdef NEED_HMAC_SHA512_KDF
+OBJS += src/crypto/sha512-kdf.c
+endif
endif
ifdef NEED_SHA384
L_CFLAGS += -DCONFIG_SHA384
endif
OBJS += src/crypto/sha384-prf.c
endif
+ifdef NEED_SHA512
+L_CFLAGS += -DCONFIG_SHA512
+ifneq ($(CONFIG_TLS), openssl)
+ifneq ($(CONFIG_TLS), linux)
+OBJS += src/crypto/sha512.c
+endif
+endif
+OBJS += src/crypto/sha512-prf.c
+endif
ifdef CONFIG_INTERNAL_SHA384
L_CFLAGS += -DCONFIG_INTERNAL_SHA384
ifdef NEED_HMAC_SHA256_KDF
OBJS += ../src/crypto/sha256-kdf.o
endif
+ifdef NEED_HMAC_SHA384_KDF
+OBJS += ../src/crypto/sha384-kdf.o
+endif
+ifdef NEED_HMAC_SHA512_KDF
+OBJS += ../src/crypto/sha512-kdf.o
+endif
endif
ifdef NEED_SHA384
CFLAGS += -DCONFIG_SHA384
endif
OBJS += ../src/crypto/sha384-prf.o
endif
+ifdef NEED_SHA512
+CFLAGS += -DCONFIG_SHA512
+ifneq ($(CONFIG_TLS), openssl)
+ifneq ($(CONFIG_TLS), linux)
+OBJS += ../src/crypto/sha512.o
+endif
+endif
+OBJS += ../src/crypto/sha512-prf.o
+endif
ifdef CONFIG_INTERNAL_SHA384
CFLAGS += -DCONFIG_INTERNAL_SHA384
}
#endif /* NO_SHA256_WRAPPER */
+
#ifndef NO_SHA384_WRAPPER
int sha384_vector(size_t num_elem, const u8 *addr[], const size_t *len,
u8 *mac)
#endif /* NO_SHA384_WRAPPER */
+#ifndef NO_SHA512_WRAPPER
+int sha512_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ return openssl_digest_vector(EVP_sha512(), num_elem, addr, len, mac);
+}
+#endif /* NO_SHA512_WRAPPER */
+
+
static const EVP_CIPHER * aes_get_evp_cipher(size_t keylen)
{
switch (keylen) {
#endif /* CONFIG_SHA384 */
+#ifdef CONFIG_SHA512
+
+int hmac_sha512_vector(const u8 *key, size_t key_len, size_t num_elem,
+ const u8 *addr[], const size_t *len, u8 *mac)
+{
+ return openssl_hmac_vector(EVP_sha512(), key, key_len, num_elem, addr,
+ len, mac, 64);
+}
+
+
+int hmac_sha512(const u8 *key, size_t key_len, const u8 *data,
+ size_t data_len, u8 *mac)
+{
+ return hmac_sha512_vector(key, key_len, 1, &data, &data_len, mac);
+}
+
+#endif /* CONFIG_SHA512 */
+
+
int crypto_get_random(void *buf, size_t len)
{
if (RAND_bytes(buf, len) != 1)
--- /dev/null
+/*
+ * HMAC-SHA384 KDF (RFC 5295) and HKDF-Expand(SHA384) (RFC 5869)
+ * Copyright (c) 2014-2017, 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 "sha384.h"
+
+
+/**
+ * hmac_sha384_kdf - HMAC-SHA384 based KDF (RFC 5295)
+ * @secret: Key for KDF
+ * @secret_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the KDF or %NULL to select
+ * RFC 5869 HKDF-Expand() with arbitrary seed (= info)
+ * @seed: Seed value to bind into the key
+ * @seed_len: Length of the seed
+ * @out: Buffer for the generated pseudo-random key
+ * @outlen: Number of bytes of key to generate
+ * Returns: 0 on success, -1 on failure.
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key in ERP. This KDF is defined in RFC 5295, Chapter 3.1.2. When used
+ * with label = NULL and seed = info, this matches HKDF-Expand() defined in
+ * RFC 5869, Chapter 2.3.
+ */
+int hmac_sha384_kdf(const u8 *secret, size_t secret_len,
+ const char *label, const u8 *seed, size_t seed_len,
+ u8 *out, size_t outlen)
+{
+ u8 T[SHA384_MAC_LEN];
+ u8 iter = 1;
+ const unsigned char *addr[4];
+ size_t len[4];
+ size_t pos, clen;
+
+ addr[0] = T;
+ len[0] = SHA384_MAC_LEN;
+ if (label) {
+ addr[1] = (const unsigned char *) label;
+ len[1] = os_strlen(label) + 1;
+ } else {
+ addr[1] = (const u8 *) "";
+ len[1] = 0;
+ }
+ addr[2] = seed;
+ len[2] = seed_len;
+ addr[3] = &iter;
+ len[3] = 1;
+
+ if (hmac_sha384_vector(secret, secret_len, 3, &addr[1], &len[1], T) < 0)
+ return -1;
+
+ pos = 0;
+ for (;;) {
+ clen = outlen - pos;
+ if (clen > SHA384_MAC_LEN)
+ clen = SHA384_MAC_LEN;
+ os_memcpy(out + pos, T, clen);
+ pos += clen;
+
+ if (pos == outlen)
+ break;
+
+ if (iter == 255) {
+ os_memset(out, 0, outlen);
+ os_memset(T, 0, SHA384_MAC_LEN);
+ return -1;
+ }
+ iter++;
+
+ if (hmac_sha384_vector(secret, secret_len, 4, addr, len, T) < 0)
+ {
+ os_memset(out, 0, outlen);
+ os_memset(T, 0, SHA384_MAC_LEN);
+ return -1;
+ }
+ }
+
+ os_memset(T, 0, SHA384_MAC_LEN);
+ return 0;
+}
int sha384_prf_bits(const u8 *key, size_t key_len, const char *label,
const u8 *data, size_t data_len, u8 *buf,
size_t buf_len_bits);
+int hmac_sha384_kdf(const u8 *secret, size_t secret_len,
+ const char *label, const u8 *seed, size_t seed_len,
+ u8 *out, size_t outlen);
#endif /* SHA384_H */
--- /dev/null
+/*
+ * HMAC-SHA512 KDF (RFC 5295) and HKDF-Expand(SHA512) (RFC 5869)
+ * Copyright (c) 2014-2017, 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 "sha512.h"
+
+
+/**
+ * hmac_sha512_kdf - HMAC-SHA512 based KDF (RFC 5295)
+ * @secret: Key for KDF
+ * @secret_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the KDF or %NULL to select
+ * RFC 5869 HKDF-Expand() with arbitrary seed (= info)
+ * @seed: Seed value to bind into the key
+ * @seed_len: Length of the seed
+ * @out: Buffer for the generated pseudo-random key
+ * @outlen: Number of bytes of key to generate
+ * Returns: 0 on success, -1 on failure.
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key in ERP. This KDF is defined in RFC 5295, Chapter 3.1.2. When used
+ * with label = NULL and seed = info, this matches HKDF-Expand() defined in
+ * RFC 5869, Chapter 2.3.
+ */
+int hmac_sha512_kdf(const u8 *secret, size_t secret_len,
+ const char *label, const u8 *seed, size_t seed_len,
+ u8 *out, size_t outlen)
+{
+ u8 T[SHA512_MAC_LEN];
+ u8 iter = 1;
+ const unsigned char *addr[4];
+ size_t len[4];
+ size_t pos, clen;
+
+ addr[0] = T;
+ len[0] = SHA512_MAC_LEN;
+ if (label) {
+ addr[1] = (const unsigned char *) label;
+ len[1] = os_strlen(label) + 1;
+ } else {
+ addr[1] = (const u8 *) "";
+ len[1] = 0;
+ }
+ addr[2] = seed;
+ len[2] = seed_len;
+ addr[3] = &iter;
+ len[3] = 1;
+
+ if (hmac_sha512_vector(secret, secret_len, 3, &addr[1], &len[1], T) < 0)
+ return -1;
+
+ pos = 0;
+ for (;;) {
+ clen = outlen - pos;
+ if (clen > SHA512_MAC_LEN)
+ clen = SHA512_MAC_LEN;
+ os_memcpy(out + pos, T, clen);
+ pos += clen;
+
+ if (pos == outlen)
+ break;
+
+ if (iter == 255) {
+ os_memset(out, 0, outlen);
+ os_memset(T, 0, SHA512_MAC_LEN);
+ return -1;
+ }
+ iter++;
+
+ if (hmac_sha512_vector(secret, secret_len, 4, addr, len, T) < 0)
+ {
+ os_memset(out, 0, outlen);
+ os_memset(T, 0, SHA512_MAC_LEN);
+ return -1;
+ }
+ }
+
+ os_memset(T, 0, SHA512_MAC_LEN);
+ return 0;
+}
--- /dev/null
+/*
+ * SHA512-based KDF (IEEE 802.11ac)
+ * Copyright (c) 2003-2017, 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 "sha512.h"
+#include "crypto.h"
+
+
+/**
+ * sha512_prf - SHA512-based Key derivation function (IEEE 802.11ac, 11.6.1.7.2)
+ * @key: Key for KDF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @data: Extra data to bind into the key
+ * @data_len: Length of the data
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bytes of key to generate
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key.
+ */
+int sha512_prf(const u8 *key, size_t key_len, const char *label,
+ const u8 *data, size_t data_len, u8 *buf, size_t buf_len)
+{
+ return sha512_prf_bits(key, key_len, label, data, data_len, buf,
+ buf_len * 8);
+}
+
+
+/**
+ * sha512_prf_bits - IEEE Std 802.11ac-2013, 11.6.1.7.2 Key derivation function
+ * @key: Key for KDF
+ * @key_len: Length of the key in bytes
+ * @label: A unique label for each purpose of the PRF
+ * @data: Extra data to bind into the key
+ * @data_len: Length of the data
+ * @buf: Buffer for the generated pseudo-random key
+ * @buf_len: Number of bits of key to generate
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to derive new, cryptographically separate keys from a
+ * given key. If the requested buf_len is not divisible by eight, the least
+ * significant 1-7 bits of the last octet in the output are not part of the
+ * requested output.
+ */
+int sha512_prf_bits(const u8 *key, size_t key_len, const char *label,
+ const u8 *data, size_t data_len, u8 *buf,
+ size_t buf_len_bits)
+{
+ u16 counter = 1;
+ size_t pos, plen;
+ u8 hash[SHA512_MAC_LEN];
+ const u8 *addr[4];
+ size_t len[4];
+ u8 counter_le[2], length_le[2];
+ size_t buf_len = (buf_len_bits + 7) / 8;
+
+ addr[0] = counter_le;
+ len[0] = 2;
+ addr[1] = (u8 *) label;
+ len[1] = os_strlen(label);
+ addr[2] = data;
+ len[2] = data_len;
+ addr[3] = length_le;
+ len[3] = sizeof(length_le);
+
+ WPA_PUT_LE16(length_le, buf_len_bits);
+ pos = 0;
+ while (pos < buf_len) {
+ plen = buf_len - pos;
+ WPA_PUT_LE16(counter_le, counter);
+ if (plen >= SHA512_MAC_LEN) {
+ if (hmac_sha512_vector(key, key_len, 4, addr, len,
+ &buf[pos]) < 0)
+ return -1;
+ pos += SHA512_MAC_LEN;
+ } else {
+ if (hmac_sha512_vector(key, key_len, 4, addr, len,
+ hash) < 0)
+ return -1;
+ os_memcpy(&buf[pos], hash, plen);
+ pos += plen;
+ break;
+ }
+ counter++;
+ }
+
+ /*
+ * Mask out unused bits in the last octet if it does not use all the
+ * bits.
+ */
+ if (buf_len_bits % 8) {
+ u8 mask = 0xff << (8 - buf_len_bits % 8);
+ buf[pos - 1] &= mask;
+ }
+
+ os_memset(hash, 0, sizeof(hash));
+
+ return 0;
+}
--- /dev/null
+/*
+ * SHA512 hash implementation and interface functions
+ * Copyright (c) 2015-2017, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef SHA512_H
+#define SHA512_H
+
+#define SHA512_MAC_LEN 64
+
+int hmac_sha512_vector(const u8 *key, size_t key_len, size_t num_elem,
+ const u8 *addr[], const size_t *len, u8 *mac);
+int hmac_sha512(const u8 *key, size_t key_len, const u8 *data,
+ size_t data_len, u8 *mac);
+int sha512_prf(const u8 *key, size_t key_len, const char *label,
+ const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
+int sha512_prf_bits(const u8 *key, size_t key_len, const char *label,
+ const u8 *data, size_t data_len, u8 *buf,
+ size_t buf_len_bits);
+int hmac_sha512_kdf(const u8 *secret, size_t secret_len,
+ const char *label, const u8 *seed, size_t seed_len,
+ u8 *out, size_t outlen);
+
+#endif /* SHA512_H */
L_CFLAGS += -DCONFIG_HMAC_SHA256_KDF
SHA256OBJS += src/crypto/sha256-kdf.c
endif
+ifdef NEED_HMAC_SHA384_KDF
+L_CFLAGS += -DCONFIG_HMAC_SHA384_KDF
+SHA256OBJS += src/crypto/sha384-kdf.c
+endif
+ifdef NEED_HMAC_SHA512_KDF
+L_CFLAGS += -DCONFIG_HMAC_SHA512_KDF
+SHA256OBJS += src/crypto/sha512-kdf.c
+endif
OBJS += $(SHA256OBJS)
endif
ifdef NEED_SHA384
endif
OBJS += src/crypto/sha384-prf.c
endif
+ifdef NEED_SHA512
+L_CFLAGS += -DCONFIG_SHA512
+ifneq ($(CONFIG_TLS), openssl)
+OBJS += src/crypto/sha512.c
+endif
+OBJS += src/crypto/sha512-prf.c
+endif
ifdef NEED_DH_GROUPS
OBJS += src/crypto/dh_groups.c
CFLAGS += -DCONFIG_HMAC_SHA256_KDF
OBJS += ../src/crypto/sha256-kdf.o
endif
+ifdef NEED_HMAC_SHA384_KDF
+CFLAGS += -DCONFIG_HMAC_SHA384_KDF
+OBJS += ../src/crypto/sha384-kdf.o
+endif
+ifdef NEED_HMAC_SHA512_KDF
+CFLAGS += -DCONFIG_HMAC_SHA512_KDF
+OBJS += ../src/crypto/sha512-kdf.o
+endif
OBJS += $(SHA256OBJS)
endif
ifdef NEED_SHA384
CFLAGS += -DCONFIG_SHA384
OBJS += ../src/crypto/sha384-prf.o
endif
+ifdef NEED_SHA512
+ifneq ($(CONFIG_TLS), openssl)
+ifneq ($(CONFIG_TLS), linux)
+OBJS += ../src/crypto/sha512.o
+endif
+endif
+CFLAGS += -DCONFIG_SHA512
+OBJS += ../src/crypto/sha512-prf.o
+endif
ifdef NEED_DH_GROUPS
OBJS += ../src/crypto/dh_groups.o
projects / thirdparty / hostap.git / commitdiff
