| 5 | }; |
| 6 | |
| 7 | char *__IPEncodeToBase64(void *_src, s32 len , char *dst) { |
| 8 | const u8 *src; |
| 9 | int i; |
| 10 | char *p; |
| 11 | |
| 12 | src = _src; |
| 13 | p = dst; |
| 14 | for (i = 0; i < len - len % 3; i += 3) { |
| 15 | *p++ = Base64[(src[i+0] >> 2) & 0x3f]; |
| 16 | *p++ = Base64[((src[i+0] & 0x3) << 4) | ((src[i+1] >> 4) & 0xf)]; |
| 17 | *p++ = Base64[((src[i+1] & 0xf) << 2) | ((src[i+2] >> 6) & 0x3)]; |
| 18 | *p++ = Base64[src[i+2] & 0x3f]; |
| 19 | } |
| 20 | |
| 21 | i = len - len % 3; |
| 22 | // Encode remaining characters |
| 23 | switch (len % 3) { |
| 24 | case 2: { |
| 25 | *p++ = Base64[(src[i+0] >> 2) & 0x3f]; |
| 26 | *p++ = Base64[((src[i+0] & 0x3) << 4) | ((src[i+1] >> 4) & 0xf)]; |
| 27 | *p++ = Base64[((src[i+1] & 0xf) << 2)]; |
| 28 | *p++ = '='; |
| 29 | break; |
| 30 | } |
| 31 | case 1: { |
| 32 | *p++ = Base64[(src[i+0] >> 2) & 0x3f]; |
| 33 | *p++ = Base64[((src[i+0] & 0x3) << 4)]; |
| 34 | *p++ = '='; |
| 35 | *p++ = '='; |
| 36 | break; |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | return p; |
| 41 | } |
| 42 | |
| 43 | void *__IPDecodeFromBase64(const char *src, long len , void *_dst) { |
| 44 | u8 *dst; |