zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/signature.h b/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/signature.h
new file mode 100644
index 0000000..d7c4188
--- /dev/null
+++ b/ap/lib/libwolfssl/install/include/wolfssl/wolfcrypt/signature.h
@@ -0,0 +1,87 @@
+/* signature.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
+ */
+
+/*!
+    \file wolfssl/wolfcrypt/signature.h
+*/
+
+
+#ifndef WOLF_CRYPT_SIGNATURE_H
+#define WOLF_CRYPT_SIGNATURE_H
+
+#include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/wolfcrypt/hash.h>
+#include <wolfssl/wolfcrypt/random.h>
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+enum wc_SignatureType {
+    WC_SIGNATURE_TYPE_NONE = 0,
+    WC_SIGNATURE_TYPE_ECC = 1,
+    WC_SIGNATURE_TYPE_RSA = 2,
+    WC_SIGNATURE_TYPE_RSA_W_ENC = 3, /* Adds DER header via wc_EncodeSignature */
+};
+
+WOLFSSL_API int wc_SignatureGetSize(enum wc_SignatureType sig_type,
+    const void* key, word32 key_len);
+
+WOLFSSL_API int wc_SignatureVerifyHash(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* hash_data, word32 hash_len,
+    const byte* sig, word32 sig_len,
+    const void* key, word32 key_len);
+
+WOLFSSL_API int wc_SignatureVerify(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* data, word32 data_len,
+    const byte* sig, word32 sig_len,
+    const void* key, word32 key_len);
+
+WOLFSSL_API int wc_SignatureGenerateHash(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* hash_data, word32 hash_len,
+    byte* sig, word32 *sig_len,
+    const void* key, word32 key_len, WC_RNG* rng);
+WOLFSSL_API int wc_SignatureGenerateHash_ex(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* hash_data, word32 hash_len,
+    byte* sig, word32 *sig_len,
+    const void* key, word32 key_len, WC_RNG* rng, int verify);
+WOLFSSL_API int wc_SignatureGenerate(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* data, word32 data_len,
+    byte* sig, word32 *sig_len,
+    const void* key, word32 key_len,
+    WC_RNG* rng);
+WOLFSSL_API int wc_SignatureGenerate_ex(
+    enum wc_HashType hash_type, enum wc_SignatureType sig_type,
+    const byte* data, word32 data_len,
+    byte* sig, word32 *sig_len,
+    const void* key, word32 key_len,
+    WC_RNG* rng, int verify);
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* WOLF_CRYPT_SIGNATURE_H */