diff --git a/src/crypto/Makefile b/src/crypto/Makefile
index 2a921098c..3e90350c1 100644
--- a/src/crypto/Makefile
+++ b/src/crypto/Makefile
@@ -26,6 +26,7 @@ LIB_OBJS= \
 	aes-internal-dec.o \
 	aes-internal-enc.o \
 	aes-omac1.o \
+	aes-siv.o \
 	aes-unwrap.o \
 	aes-wrap.o \
 	des-internal.o \
diff --git a/src/crypto/aes-siv.c b/src/crypto/aes-siv.c
new file mode 100644
index 000000000..bd619b45b
--- /dev/null
+++ b/src/crypto/aes-siv.c
@@ -0,0 +1,187 @@
+/*
+ * AES SIV (RFC 5297)
+ * Copyright (c) 2013 Cozybit, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "aes.h"
+#include "aes_wrap.h"
+
+
+static const u8 zero[AES_BLOCK_SIZE];
+
+
+static void dbl(u8 *pad)
+{
+	int i, carry;
+
+	carry = pad[0] & 0x80;
+	for (i = 0; i < AES_BLOCK_SIZE - 1; i++)
+		pad[i] = (pad[i] << 1) | (pad[i + 1] >> 7);
+	pad[AES_BLOCK_SIZE - 1] <<= 1;
+	if (carry)
+		pad[AES_BLOCK_SIZE - 1] ^= 0x87;
+}
+
+
+static void xor(u8 *a, const u8 *b)
+{
+	int i;
+
+	for (i = 0; i < AES_BLOCK_SIZE; i++)
+		*a++ ^= *b++;
+}
+
+
+static void xorend(u8 *a, int alen, const u8 *b, int blen)
+{
+	int i;
+
+	if (alen < blen)
+		return;
+
+	for (i = 0; i < blen; i++)
+		a[alen - blen + i] ^= b[i];
+}
+
+
+static void pad(u8 *pad, const u8 *addr, size_t len)
+{
+	os_memset(pad, 0, AES_BLOCK_SIZE);
+	os_memcpy(pad, addr, len);
+
+	if (len < AES_BLOCK_SIZE)
+		pad[len] = 0x80;
+}
+
+
+int aes_s2v(const u8 *key, size_t num_elem, const u8 *addr[],
+	    size_t *len, u8 *mac)
+{
+	u8 tmp[AES_BLOCK_SIZE], tmp2[AES_BLOCK_SIZE];
+	u8 *buf = NULL;
+	int ret;
+	size_t i;
+
+	if (!num_elem) {
+		os_memcpy(tmp, zero, sizeof(zero));
+		tmp[AES_BLOCK_SIZE - 1] = 1;
+		return omac1_aes_128(key, tmp, sizeof(tmp), mac);
+	}
+
+	ret = omac1_aes_128(key, zero, sizeof(zero), tmp);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < num_elem - 1; i++) {
+		ret = omac1_aes_128(key, addr[i], len[i], tmp2);
+		if (ret)
+			return ret;
+
+		dbl(tmp);
+		xor(tmp, tmp2);
+	}
+	if (len[i] >= AES_BLOCK_SIZE) {
+		buf = os_malloc(len[i]);
+		if (!buf)
+			return -ENOMEM;
+
+		os_memcpy(buf, addr[i], len[i]);
+		xorend(buf, len[i], tmp, AES_BLOCK_SIZE);
+		ret = omac1_aes_128(key, buf, len[i], mac);
+		os_free(buf);
+		return ret;
+	}
+
+	dbl(tmp);
+	pad(tmp2, addr[i], len[i]);
+	xor(tmp, tmp2);
+
+	return omac1_aes_128(key, tmp, sizeof(tmp), mac);
+}
+
+
+int aes_siv_encrypt(const u8 *key, const u8 *pw,
+		    size_t pwlen, size_t num_elem,
+		    const u8 *addr[], const size_t *len, u8 *out)
+{
+	const u8 *_addr[6];
+	size_t _len[6];
+	const u8 *k1 = key, *k2 = key + 16;
+	u8 v[AES_BLOCK_SIZE];
+	size_t i;
+	u8 *iv, *crypt_pw;
+
+	if (num_elem > ARRAY_SIZE(_addr) - 1)
+		return -1;
+
+	for (i = 0; i < num_elem; i++) {
+		_addr[i] = addr[i];
+		_len[i] = len[i];
+	}
+	_addr[num_elem] = pw;
+	_len[num_elem] = pwlen;
+
+	if (aes_s2v(k1, num_elem + 1, _addr, _len, v))
+		return -1;
+
+	iv = out;
+	crypt_pw = out + AES_BLOCK_SIZE;
+
+	os_memcpy(iv, v, AES_BLOCK_SIZE);
+	os_memcpy(crypt_pw, pw, pwlen);
+
+	/* zero out 63rd and 31st bits of ctr (from right) */
+	v[8] &= 0x7f;
+	v[12] &= 0x7f;
+	return aes_128_ctr_encrypt(k2, v, crypt_pw, pwlen);
+}
+
+
+int aes_siv_decrypt(const u8 *key, const u8 *iv_crypt, size_t iv_c_len,
+		    size_t num_elem, const u8 *addr[], const size_t *len,
+		    u8 *out)
+{
+	const u8 *_addr[6];
+	size_t _len[6];
+	const u8 *k1 = key, *k2 = key + 16;
+	size_t crypt_len;
+	size_t i;
+	int ret;
+	u8 iv[AES_BLOCK_SIZE];
+	u8 check[AES_BLOCK_SIZE];
+
+	if (iv_c_len < AES_BLOCK_SIZE || num_elem > ARRAY_SIZE(_addr) - 1)
+		return -1;
+	crypt_len = iv_c_len - AES_BLOCK_SIZE;
+
+	for (i = 0; i < num_elem; i++) {
+		_addr[i] = addr[i];
+		_len[i] = len[i];
+	}
+	_addr[num_elem] = out;
+	_len[num_elem] = crypt_len;
+
+	os_memcpy(iv, iv_crypt, AES_BLOCK_SIZE);
+	os_memcpy(out, iv_crypt + AES_BLOCK_SIZE, crypt_len);
+
+	iv[8] &= 0x7f;
+	iv[12] &= 0x7f;
+
+	ret = aes_128_ctr_encrypt(k2, iv, out, crypt_len);
+	if (ret)
+		return ret;
+
+	ret = aes_s2v(k1, num_elem + 1, _addr, _len, check);
+	if (ret)
+		return ret;
+	if (os_memcmp(check, iv_crypt, AES_BLOCK_SIZE) == 0)
+		return 0;
+
+	return -1;
+}
diff --git a/src/crypto/aes_siv.h b/src/crypto/aes_siv.h
new file mode 100644
index 000000000..463cf6536
--- /dev/null
+++ b/src/crypto/aes_siv.h
@@ -0,0 +1,19 @@
+/*
+ * AES SIV (RFC 5297)
+ * Copyright (c) 2013 Cozybit, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef AES_SIV_H
+#define AES_SIV_H
+
+int aes_siv_encrypt(const u8 *key, const u8 *pw,
+		    size_t pwlen, size_t num_elem,
+		    const u8 *addr[], const size_t *len, u8 *out);
+int aes_siv_decrypt(const u8 *key, const u8 *iv_crypt, size_t iv_c_len,
+		    size_t num_elem, const u8 *addr[], const size_t *len,
+		    u8 *out);
+
+#endif /* AES_SIV_H */
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 3e028f938..d78ba78eb 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1143,6 +1143,9 @@ ifdef CONFIG_INTERNAL_AES
 AESOBJS += src/crypto/aes-internal-enc.c
 endif
 endif
+ifdef NEED_AES_SIV
+AESOBJS += src/crypto/aes-siv.c
+endif
 ifdef NEED_AES
 OBJS += $(AESOBJS)
 endif
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 7851fa348..7a6824697 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1145,6 +1145,9 @@ else
 AESOBJS += ../src/crypto/aes-omac1.o
 endif
 endif
+ifdef NEED_AES_SIV
+AESOBJS += ../src/crypto/aes-siv.o
+endif
 ifdef NEED_AES_WRAP
 NEED_AES_ENC=y
 AESOBJS += ../src/crypto/aes-wrap.o