add zuc

include/openssl/zuc.h

@@ -0,0 +1,115 @@
+/* ====================================================================
+ * Copyright (c) 2015 - 2016 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#ifndef HEADER_ZUC_H
+#define HEADER_ZUC_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct {
+	uint32_t state[22];
+} zuc_key_t;
+
+void zuc_set_key(zuc_key_t *key, const unsigned char *user_key, const unsigned char *iv);
+void zuc_generate_keystream(zuc_key_t *key, size_t nwords, uint32_t *words);
+
+
+typedef struct {
+	zuc_key_t key;
+	unsigned char buf[4];
+	size_t buflen;
+} zuc_ctx_t;
+
+void zuc_ctx_init(zuc_ctx_t *ctx, const unsigned char *user_key, const unsigned char *iv);
+void zuc_encrypt(zuc_ctx_t *ctx, size_t len, const unsigned char *in, unsigned char *out);
+#define zuc_decrypt(ctx,len,in,out)  zuc_encrypt(ctx,len,in,out)
+
+#define EEA3_MIN_BITS	1
+#define EEA3_MAX_BITS	65504
+#define EEA3_MIN_BYTES	((EEA3_MIN_BITS + 7)/8)
+#define EEA3_MAX_BYTES	((EEA3_MAX_BITS + 7)/8)
+
+typedef struct {
+	zuc_ctx_t zuc;
+	size_t length;
+	/* maybe buffer */
+} eea3_ctx_t;
+
+void eea3_init(eea3_ctx_t *ctx, const unsigned char *user_key, uint32_t count, uint32_t bearer, int direction);
+void eea3_encrypt(eea3_ctx_t *ctx, size_t len, const unsigned char *in, unsigned char *out);
+#define eea3_decrypt(ctx,len,in,out) eea3_encrypt(ctx,len,in,out)
+void eea3(const unsigned char *key, uint32_t count, uint32_t bearer, int direction,
+	size_t len, const unsigned char *in, unsigned char *out);
+
+#define EIA3_MIN_BYTES	EEA3_MIN_BYTES
+#define EIA3_MAX_BYTES	EEA3_MAX_BYTES
+#define EIA3_MAC_SIZE	4
+
+typedef struct {
+	zuc_ctx_t zuc;
+	size_t length;
+	/* maybe buffer */
+} eia3_ctx_t;
+
+void eia3_init(eia3_ctx_t *ctx, const unsigned char *user_key, uint32_t count, uint32_t bearer, int direction);
+void eia3_update(eia3_ctx_t *ctx, const unsigned char *data, size_t datalen);
+void eia3_final(eia3_ctx_t *ctx, uint32_t *mac);
+void eia3(const unsigned char *key, uint32_t count, uint32_t bearer, int direction,
+	const unsigned char *data, size_t len, uint32_t *mac);
+
+#ifdef __cplusplus
+}
+#endif
+#endif