37 unsigned char char_array_3[3];
38 unsigned char char_array_4[4];
41 char_array_3[i++] = *(bytes_to_encode++);
43 char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
44 char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
45 char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
46 char_array_4[3] = char_array_3[2] & 0x3f;
48 for(i = 0; (i <4) ; i++)
49 ret += base64_chars[char_array_4[i]];
56 for(j = i; j < 3; j++)
57 char_array_3[j] =
'\0';
59 char_array_4[0] = ( char_array_3[0] & 0xfc) >> 2;
60 char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
61 char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
63 for (j = 0; (j < i + 1); j++)
64 ret += base64_chars[char_array_4[j]];
76 size_t in_len = encoded_string.size();
80 unsigned char char_array_4[4], char_array_3[3];
83 while (in_len-- && ( encoded_string[in_] !=
'=') && is_base64(encoded_string[in_])) {
84 char_array_4[i++] = encoded_string[in_]; in_++;
86 for (i = 0; i <4; i++)
87 char_array_4[i] = base64_chars.find(char_array_4[i]) & 0xff;
89 char_array_3[0] = ( char_array_4[0] << 2 ) + ((char_array_4[1] & 0x30) >> 4);
90 char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
91 char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
93 for (i = 0; (i < 3); i++)
94 ret += char_array_3[i];
100 for (j = 0; j < i; j++)
101 char_array_4[j] = base64_chars.find(char_array_4[j]) & 0xff;
103 char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
104 char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
106 for (j = 0; (j < i - 1); j++) ret += char_array_3[j];