Move base64 to util/

util/base64.h

@@ -0,0 +1,63 @@
+#ifndef BASE64_H
+#define BASE64_H
+
+#include <inttypes.h>
+#include <string.h>
+
+namespace i2p
+{
+namespace util
+{
+
+    
+    /*
+     * Base64 encodes an array of bytes.
+     * @return the number of characters written to the output buffer
+     * @param InBuffer array of input bytes to be encoded 
+     * @param InCount length of the input array
+     * @param OutBuffer array to store output characters 
+     * @param len length of the output buffer
+     * @note zero is returned when the output buffer is too small 
+     */
+    size_t ByteStreamToBase64 (const uint8_t * InBuffer, size_t InCount, char * OutBuffer, size_t len);
+
+    /**
+     * Decodes base 64 encoded data to an array of bytes.
+     * @return the number of bytes written to the output buffer
+     * @param InBuffer array of input characters to be decoded
+     * @param InCount length of the input array
+     * @param OutBuffer array to store output bytes
+     * @param len length of the output buffer
+     * @todo Do not return a negative value on failure, size_t could be unsigned.
+     * @note zero is returned when the output buffer is too small 
+     */
+    size_t Base64ToByteStream (const char * InBuffer, size_t InCount, uint8_t * OutBuffer, size_t len );
+
+    const char * GetBase64SubstitutionTable (); 
+    
+    /**
+     * Decodes base 32 encoded data to an array of bytes.
+     * @return the number of bytes written to the output buffer
+     * @param inBuf array of input characters to be decoded
+     * @param len length of the input buffer
+     * @param outBuf array to store output bytes
+     * @param outLen length of the output array 
+     * @note zero is returned when the output buffer is too small 
+     */
+    size_t Base32ToByteStream (const char * inBuf, size_t len, uint8_t * outBuf, size_t outLen);
+
+    /**
+     * Base 32 encodes an array of bytes.
+     * @return the number of bytes written to the output buffer
+     * @param inBuf array of input bytes to be encoded
+     * @param len length of the input buffer
+     * @param outBuf array to store output characters
+     * @param outLen length of the output array 
+     * @note zero is returned when the output buffer is too small 
+     */
+    size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen);
+}
+}
+
+#endif
+