Radix-64
Radix-64 is a data
encoding scheme that consists of
base64-encoded data with a 24-bit
CRC appended to it, and is specified in
RFC 2440. Radix-64 encoding may be used by computer programs whose output meets the
OpenPGP standard, also specified in RFC 2440, to permit encrypted data to be sent as ordinary ASCII text through email, without the need to treat the data as an attached file.
See also: ASCII Armor
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