zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/chacha.h b/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/chacha.h
new file mode 100644
index 0000000..0d84c5b
--- /dev/null
+++ b/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/chacha.h
@@ -0,0 +1,115 @@
+/* chacha.h
+ *
+ * Copyright (C) 2006-2021 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+/*
+
+DESCRIPTION
+This library contains implementation for the ChaCha20 stream cipher.
+
+*/
+/*!
+ \file wolfssl/wolfcrypt/chacha.h
+*/
+
+
+#ifndef WOLF_CRYPT_CHACHA_H
+#define WOLF_CRYPT_CHACHA_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifdef HAVE_CHACHA
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*
+Initialization vector starts at 13 with zero being the index origin of a matrix.
+Block counter is located at index 12.
+ 0 1 2 3
+ 4 5 6 7
+ 8 9 10 11
+ 12 13 14 15
+*/
+#define CHACHA_MATRIX_CNT_IV 12
+
+/* Size of the IV */
+#define CHACHA_IV_WORDS 3
+
+/* Size of IV in bytes*/
+#define CHACHA_IV_BYTES 12
+#ifdef HAVE_XCHACHA
+#define XCHACHA_NONCE_BYTES 24
+#endif
+
+/* Size of ChaCha chunks */
+#define CHACHA_CHUNK_WORDS 16
+#define CHACHA_CHUNK_BYTES (CHACHA_CHUNK_WORDS * sizeof(word32))
+
+#ifdef WOLFSSL_X86_64_BUILD
+#if defined(USE_INTEL_SPEEDUP) && !defined(NO_CHACHA_ASM)
+ #define USE_INTEL_CHACHA_SPEEDUP
+ #define HAVE_INTEL_AVX1
+#endif
+#endif
+
+enum {
+ CHACHA_ENC_TYPE = WC_CIPHER_CHACHA, /* cipher unique type */
+ CHACHA_MAX_KEY_SZ = 32,
+};
+
+typedef struct ChaCha {
+ word32 X[CHACHA_CHUNK_WORDS]; /* state of cipher */
+#ifdef HAVE_INTEL_AVX1
+ /* vpshufd reads 16 bytes but we only use bottom 4. */
+ byte extra[12];
+#endif
+ word32 left; /* number of bytes leftover */
+#if defined(USE_INTEL_CHACHA_SPEEDUP) || defined(WOLFSSL_ARMASM)
+ word32 over[CHACHA_CHUNK_WORDS];
+#endif
+} ChaCha;
+
+/**
+ * IV(nonce) changes with each record
+ * counter is for what value the block counter should start ... usually 0
+ */
+WOLFSSL_API int wc_Chacha_SetIV(ChaCha* ctx, const byte* inIv, word32 counter);
+
+WOLFSSL_API int wc_Chacha_Process(ChaCha* ctx, byte* cipher, const byte* plain,
+ word32 msglen);
+
+WOLFSSL_LOCAL void wc_Chacha_purge_current_block(ChaCha* ctx);
+
+WOLFSSL_API int wc_Chacha_SetKey(ChaCha* ctx, const byte* key, word32 keySz);
+
+#ifdef HAVE_XCHACHA
+WOLFSSL_API int wc_XChacha_SetKey(ChaCha *ctx, const byte *key, word32 keySz,
+ const byte *nonce, word32 nonceSz,
+ word32 counter);
+#endif
+
+#ifdef __cplusplus
+ } /* extern "C" */
+#endif
+
+#endif /* HAVE_CHACHA */
+#endif /* WOLF_CRYPT_CHACHA_H */
+