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rel_1.6.0 init
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guocheng.kgc
shengdong.dsd
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119
Living_SDK/utility/base64/base64.c
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119
Living_SDK/utility/base64/base64.c
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/*
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* Copyright (C) 2015-2017 Alibaba Group Holding Limited
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*/
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#include "base64.h"
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#include <stdio.h>
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static const unsigned char encoding_table[] = {
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
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'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
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'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
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'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
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'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
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'w', 'x', 'y', 'z', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9', '+', '/'
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};
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static const unsigned char decoding_table[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63,
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52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0,
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0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0,
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0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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static const unsigned char mod_table[] = { 0, 2, 1 };
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unsigned char *base64_encode(const unsigned char *input, int input_len,
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unsigned char *output, int *output_len)
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{
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int i, j;
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int o_len = 4 * ((input_len + 2) / 3);
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if (!input || !output || !output_len) {
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return NULL;
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}
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if (output_len) {
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*output_len = o_len;
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}
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for (i = 0, j = 0; i < input_len;) {
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unsigned int octet_a = i < input_len ? input[i++] : 0;
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unsigned int octet_b = i < input_len ? input[i++] : 0;
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unsigned int octet_c = i < input_len ? input[i++] : 0;
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unsigned int triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c;
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output[j++] = encoding_table[(triple >> 18) & 0x3F];
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output[j++] = encoding_table[(triple >> 12) & 0x3F];
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output[j++] = encoding_table[(triple >> 6) & 0x3F];
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output[j++] = encoding_table[(triple >> 0) & 0x3F];
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}
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for (i = 0; i < mod_table[input_len % 3]; i++) {
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output[o_len - 1 - i] = '=';
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}
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return output;
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}
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unsigned char *base64_decode(const unsigned char *input, int input_len,
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unsigned char *output, int *output_len)
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{
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int i, j;
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int o_len = input_len / 4 * 3;
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if (!input || !output || !output_len) {
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return NULL;
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}
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if (input[input_len - 1] == '=') {
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o_len--;
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}
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if (input[input_len - 2] == '=') {
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o_len--;
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}
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if (output_len) {
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*output_len = o_len;
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}
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for (i = 0, j = 0; i < input_len;) {
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unsigned int sextet_a = decoding_table[input[i++]];
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unsigned int sextet_b = decoding_table[input[i++]];
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unsigned int sextet_c = decoding_table[input[i++]];
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unsigned int sextet_d = decoding_table[input[i++]];
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unsigned int triple = (sextet_a << 18)
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+ (sextet_b << 12)
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+ (sextet_c << 6)
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+ (sextet_d << 0);
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if (j < o_len) {
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output[j++] = (triple >> 16) & 0xFF;
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}
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if (j < o_len) {
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output[j++] = (triple >> 8) & 0xFF;
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}
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if (j < o_len) {
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output[j++] = (triple >> 0) & 0xFF;
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}
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}
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return output;
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}
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48
Living_SDK/utility/base64/base64.h
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48
Living_SDK/utility/base64/base64.h
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/*
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* Copyright (C) 2015-2017 Alibaba Group Holding Limited
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*/
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#ifndef _BASE64_H_
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#define _BASE64_H_
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#if defined(__cplusplus) /* If this is a C++ compiler, use C linkage */
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extern "C" {
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#endif
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#include <stdlib.h>
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#include <string.h>
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/**
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* @brief base64 encode
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*
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* @param[in] input: input byte stream
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* @param[in] input_len: input stream length in byte
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* @param[out] output: base64 encoded string
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* @param[in/out] output_len: [in] for output buffer size, [out] for
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* base64 encoded string length
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* @Note output buffer is not NULL-terminated
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*
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* @retval output buffer on success, otherwise NULL will return
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*/
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unsigned char *base64_encode(const unsigned char *input, int input_len,
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unsigned char *output, int *output_len);
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/**
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* @brief base64 decode
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*
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* @param[in] input: input byte stream
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* @param[in] input_len: input stream length in byte
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* @param[out] output: base64 decoded string
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* @param[in/out] output_len: [in] for output buffer size, [out] for
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* base64 decoded string length
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* @Note output buffer is not NULL-terminated
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* @retval output buffer on success, otherwise NULL will return
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*/
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unsigned char *base64_decode(const unsigned char *input, int input_len,
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unsigned char *output, int *output_len);
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#if defined(__cplusplus) /* If this is a C++ compiler, use C linkage */
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}
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#endif
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#endif
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7
Living_SDK/utility/base64/base64.mk
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7
Living_SDK/utility/base64/base64.mk
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NAME := base64
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$(NAME)_TYPE := share
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$(NAME)_SOURCES := base64.c
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GLOBAL_INCLUDES += .
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5
Living_SDK/utility/base64/ucube.py
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5
Living_SDK/utility/base64/ucube.py
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src = Split('''
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base64.c
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''')
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component = aos_component('base64', src)
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