Release Mbed Crypto 0.1.0a
diff --git a/include/mbedcrypto/base64.h b/include/mbedcrypto/base64.h
new file mode 100644
index 0000000..21b4622
--- /dev/null
+++ b/include/mbedcrypto/base64.h
@@ -0,0 +1,89 @@
+/**
+ * \file base64.h
+ *
+ * \brief RFC 1521 base64 encoding/decoding
+ */
+/*
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of Mbed Crypto (https://tls.mbed.org)
+ */
+#ifndef MBEDCRYPTO_BASE64_H
+#define MBEDCRYPTO_BASE64_H
+
+#include <stddef.h>
+
+#define MBEDCRYPTO_ERR_BASE64_BUFFER_TOO_SMALL -0x002A /**< Output buffer too small. */
+#define MBEDCRYPTO_ERR_BASE64_INVALID_CHARACTER -0x002C /**< Invalid character in input. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Encode a buffer into base64 format
+ *
+ * \param dst destination buffer
+ * \param dlen size of the destination buffer
+ * \param olen number of bytes written
+ * \param src source buffer
+ * \param slen amount of data to be encoded
+ *
+ * \return 0 if successful, or MBEDCRYPTO_ERR_BASE64_BUFFER_TOO_SMALL.
+ * *olen is always updated to reflect the amount
+ * of data that has (or would have) been written.
+ * If that length cannot be represented, then no data is
+ * written to the buffer and *olen is set to the maximum
+ * length representable as a size_t.
+ *
+ * \note Call this function with dlen = 0 to obtain the
+ * required buffer size in *olen
+ */
+int mbedcrypto_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
+ const unsigned char *src, size_t slen );
+
+/**
+ * \brief Decode a base64-formatted buffer
+ *
+ * \param dst destination buffer (can be NULL for checking size)
+ * \param dlen size of the destination buffer
+ * \param olen number of bytes written
+ * \param src source buffer
+ * \param slen amount of data to be decoded
+ *
+ * \return 0 if successful, MBEDCRYPTO_ERR_BASE64_BUFFER_TOO_SMALL, or
+ * MBEDCRYPTO_ERR_BASE64_INVALID_CHARACTER if the input data is
+ * not correct. *olen is always updated to reflect the amount
+ * of data that has (or would have) been written.
+ *
+ * \note Call this function with *dst = NULL or dlen = 0 to obtain
+ * the required buffer size in *olen
+ */
+int mbedcrypto_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
+ const unsigned char *src, size_t slen );
+
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int mbedcrypto_base64_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* base64.h */