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This library provides the following common encodings:
| Name | Description |
| --- | --- |
| `HEXLOWER` | lowercase hexadecimal |
| `HEXLOWER_PERMISSIVE` | lowercase hexadecimal (case-insensitive decoding) |
| `HEXUPPER` | uppercase hexadecimal |
| `HEXUPPER_PERMISSIVE` | uppercase hexadecimal (case-insensitive decoding) |
| `BASE32` | RFC4648 base32 |
| `BASE32_NOPAD` | RFC4648 base32 (no padding) |
| `BASE32_DNSSEC` | RFC5155 base32 |
| `BASE32_DNSCURVE` | DNSCurve base32 |
| `BASE32HEX` | RFC4648 base32hex |
| `BASE32HEX_NOPAD` | RFC4648 base32hex (no padding) |
| `BASE64` | RFC4648 base64 |
| `BASE64_NOPAD` | RFC4648 base64 (no padding) |
| `BASE64_MIME` | RFC2045-like base64 |
| `BASE64URL` | RFC4648 base64url |
| `BASE64URL_NOPAD` | RFC4648 base64url (no padding) |
It also provides the possibility to define custom little-endian ASCII
base-conversion encodings for bases of size 2, 4, 8, 16, 32, and 64 (for which
all above use-cases are particular instances).
See the [documentation] for more details.
