42 #ifndef INCLUDE_SATNOGS_BASE64_H_
43 #define INCLUDE_SATNOGS_BASE64_H_
47 static const std::string
base64_chars =
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
48 "abcdefghijklmnopqrstuvwxyz"
54 return (isalnum(c) || (c ==
'+') || (c ==
'/'));
58 base64_encode(
unsigned char const *bytes_to_encode,
unsigned int in_len)
63 unsigned char char_array_3[3];
64 unsigned char char_array_4[4];
67 char_array_3[
i++] = *(bytes_to_encode++);
69 char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
70 char_array_4[1] = ((char_array_3[0] & 0x03) << 4)
71 + ((char_array_3[1] & 0xf0) >> 4);
72 char_array_4[2] = ((char_array_3[1] & 0x0f) << 2)
73 + ((char_array_3[2] & 0xc0) >> 6);
74 char_array_4[3] = char_array_3[2] & 0x3f;
76 for (
i = 0; (
i < 4);
i++) {
84 for (
j =
i;
j < 3;
j++) {
85 char_array_3[
j] =
'\0';
88 char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
89 char_array_4[1] = ((char_array_3[0] & 0x03) << 4)
90 + ((char_array_3[1] & 0xf0) >> 4);
91 char_array_4[2] = ((char_array_3[1] & 0x0f) << 2)
92 + ((char_array_3[2] & 0xc0) >> 6);
94 for (
j = 0; (
j <
i + 1);
j++) {
111 size_t in_len = encoded_string.size();
115 unsigned char char_array_4[4], char_array_3[3];
118 while (in_len-- && (encoded_string[in_] !=
'=')
120 char_array_4[
i++] = encoded_string[in_];
123 for (
i = 0;
i < 4;
i++) {
127 char_array_3[0] = (char_array_4[0] << 2)
128 + ((char_array_4[1] & 0x30) >> 4);
129 char_array_3[1] = ((char_array_4[1] & 0xf) << 4)
130 + ((char_array_4[2] & 0x3c) >> 2);
131 char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
133 for (
i = 0; (
i < 3);
i++) {
134 ret += char_array_3[
i];
141 for (
j = 0;
j <
i;
j++) {
145 char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
146 char_array_3[1] = ((char_array_4[1] & 0xf) << 4)
147 + ((char_array_4[2] & 0x3c) >> 2);
149 for (
j = 0; (
j <
i - 1);
j++) {
150 ret += char_array_3[
j];
static std::string base64_encode(unsigned char const *bytes_to_encode, unsigned int in_len)
Definition: base64.h:58
static bool is_base64(unsigned char c)
Definition: base64.h:52
static std::string base64_decode(std::string const &encoded_string)
Definition: base64.h:109
static const std::string base64_chars
Definition: base64.h:47
int j
Definition: decode_rs.h:73
int i
Definition: decode_rs.h:71