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];
int i
Definition: decode_rs.h:71
int j
Definition: decode_rs.h:71
static bool is_base64(unsigned char c)
Definition: base64.h:52
static const std::string base64_chars
Definition: base64.h:47
static std::string base64_encode(unsigned char const *bytes_to_encode, unsigned int in_len)
Definition: base64.h:58
static std::string base64_decode(std::string const &encoded_string)
Definition: base64.h:109