42#ifndef INCLUDE_SATNOGS_BASE64_H_
43#define INCLUDE_SATNOGS_BASE64_H_
47static const std::string
base64_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
48 "abcdefghijklmnopqrstuvwxyz"
53 return (isalnum(c) || (c ==
'+') || (c ==
'/'));
62 unsigned char char_array_3[3];
63 unsigned char char_array_4[4];
66 char_array_3[
i++] = *(bytes_to_encode++);
68 char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
70 ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
72 ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
73 char_array_4[3] = char_array_3[2] & 0x3f;
75 for (
i = 0; (
i < 4);
i++) {
83 for (
j =
i;
j < 3;
j++) {
84 char_array_3[
j] =
'\0';
87 char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
89 ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
91 ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
93 for (
j = 0; (
j <
i + 1);
j++) {
107 size_t in_len = encoded_string.size();
111 unsigned char char_array_4[4], char_array_3[3];
114 while (in_len-- && (encoded_string[in_] !=
'=') &&
is_base64(encoded_string[in_])) {
115 char_array_4[
i++] = encoded_string[in_];
118 for (
i = 0;
i < 4;
i++) {
122 char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
124 ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
125 char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
127 for (
i = 0; (
i < 3);
i++) {
128 ret += char_array_3[
i];
135 for (
j = 0;
j <
i;
j++) {
139 char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
141 ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
143 for (
j = 0; (
j <
i - 1);
j++) {
144 ret += char_array_3[
j];
static std::string base64_encode(unsigned char const *bytes_to_encode, unsigned int in_len)
Definition: base64.h:56
static bool is_base64(unsigned char c)
Definition: base64.h:51
static std::string base64_decode(std::string const &encoded_string)
Definition: base64.h:105
static const std::string base64_chars
Definition: base64.h:47
int j
Definition: decode_rs.h:73
int i
Definition: decode_rs.h:73