Init commit of gmssl-v3

include/gmssl/zuc.h

@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2014 - 2021 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 GMSSL_ZUC_H
+#define GMSSL_ZUC_H
+
+#include <stdlib.h>
+#include <stdint.h>
+
+typedef uint32_t ZUC_BIT;
+typedef uint32_t ZUC_UINT5;
+typedef uint8_t  ZUC_UINT6;
+typedef uint32_t ZUC_UINT15;
+typedef uint32_t ZUC_UINT31;
+typedef uint32_t ZUC_UINT32;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+# define ZUC_KEY_LENGTH	16
+# define ZUC_IV_LENGTH	16
+# define ZUC_MAC_LENGTH 4
+
+
+typedef struct ZUC_KEY_st {
+	ZUC_UINT31 LFSR[16];
+	ZUC_UINT32 R1;
+	ZUC_UINT32 R2;
+} ZUC_KEY;
+
+void zuc_set_key(ZUC_KEY *key, const unsigned char user_key[16], const unsigned char iv[16]);
+void zuc_generate_keystream(ZUC_KEY *key, size_t nwords, ZUC_UINT32 *words);
+ZUC_UINT32 zuc_generate_keyword(ZUC_KEY *key);
+
+typedef struct ZUC_MAC_CTX_st {
+	ZUC_UINT31 LFSR[16];
+	ZUC_UINT32 R1;
+	ZUC_UINT32 R2;
+	ZUC_UINT32 T;
+	ZUC_UINT32 K0;
+	unsigned char buf[4];
+	int buflen;
+} ZUC_MAC_CTX;
+
+void zuc_mac_init(ZUC_MAC_CTX *ctx, const unsigned char key[16], const unsigned char iv[16]);
+void zuc_mac_update(ZUC_MAC_CTX *ctx, const unsigned char *data, size_t len);
+void zuc_mac_finish(ZUC_MAC_CTX *ctx, const unsigned char *data, size_t nbits, unsigned char mac[4]);
+
+void zuc_eea_encrypt(const ZUC_UINT32 *in, ZUC_UINT32 *out, size_t nbits,
+	const unsigned char key[16], ZUC_UINT32 count, ZUC_UINT5 bearer,
+	ZUC_BIT direction);
+ZUC_UINT32 zuc_eia_generate_mac(const ZUC_UINT32 *data, size_t nbits,
+	const unsigned char user_key[16], ZUC_UINT32 count, ZUC_UINT5 bearer,
+	ZUC_BIT direction);
+
+# define ZUC256_KEY_LENGTH	32
+# define ZUC256_IV_LENGTH	23
+# define ZUC256_MAC32_LENGTH	4
+# define ZUC256_MAC64_LENGTH	8
+# define ZUC256_MAC128_LENGTH	16
+# define ZUC256_MIN_MAC_LENGTH	ZUC256_MAC32_LENGTH
+# define ZUC256_MAX_MAC_LENGTH	ZUC256_MAC128_LENGTH
+
+typedef ZUC_KEY ZUC256_KEY;
+
+void zuc256_set_key(ZUC256_KEY *key, const unsigned char user_key[32],
+	const unsigned char iv[23]);
+#define zuc256_generate_keystream(k,n,out)	zuc_generate_keystream(k,n,out)
+#define zuc256_generate_keyword(k)		zuc_generate_keyword(k)
+
+typedef struct ZUC256_MAC_CTX_st {
+	ZUC_UINT31 LFSR[16];
+	ZUC_UINT32 R1;
+	ZUC_UINT32 R2;
+	ZUC_UINT32 T[4];
+	ZUC_UINT32 K0[4];
+	unsigned char buf[4];
+	int buflen;
+	int macbits;
+} ZUC256_MAC_CTX;
+
+void zuc256_mac_init(ZUC256_MAC_CTX *ctx, const unsigned char key[32], const unsigned char iv[23], int macbits);
+void zuc256_mac_update(ZUC256_MAC_CTX *ctx, const unsigned char *data, size_t len);
+void zuc256_mac_finish(ZUC256_MAC_CTX *ctx, const unsigned char *data, size_t nbits, unsigned char *mac);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif