MirrorHub/construct
0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2024-06-02 18:18:56 +02:00
Code Issues Releases Wiki Activity

ircd::b64: Use typedef for static dictionaries.

Browse source
This commit is contained in:
Jason Volk 2020-08-11 14:13:16 -07:00
parent f3f441ac19
commit 3cf8b949bf
2 changed files with 13 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
include/ircd/b64.h
View file

@ -13,11 +13,13 @@
namespace ircd::b64
{
[[gnu::aligned(64)]]
extern const u8
dict_rfc1421[64], // [62] = '+', [63] = '/'
dict_rfc3501[64], // [62] = '+', [63] = ','
dict_rfc4648[64]; // [62] = '-', [63] = '_'
using dictionary_element = char;
using dictionary = [[aligned(64)]] dictionary_element[64];
extern const dictionary
dict_rfc1421, // [62] = '+', [63] = '/'
dict_rfc3501, // [62] = '+', [63] = ','
dict_rfc4648; // [62] = '-', [63] = '_'
static const auto
&standard { dict_rfc1421 },
@ -34,10 +36,10 @@ namespace ircd::b64
const_buffer decode(const mutable_buffer &out, const string_view &in);
template<const u8 (&dict)[64] = standard>
template<const dictionary & = standard>
string_view encode(const mutable_buffer &out, const const_buffer &in) noexcept;
template<const u8 (&dict)[64] = standard>
template<const dictionary & = standard>
string_view encode_unpadded(const mutable_buffer &out, const const_buffer &in) noexcept;
}

8
ircd/b64.cc
View file

@ -29,7 +29,7 @@ namespace ircd::b64
static u8x64 decode_block(const u8x64 in) noexcept;
template<const u8 (&dict)[64]>
template<const dictionary &>
static u8x64 encode_block(const u8x64 in) noexcept;
}
#pragma GCC visibility pop
@ -131,7 +131,7 @@ ircd::b64::encode_shift_ctrl
/// Encoding in to base64 at out. Out must be 1.33+ larger than in
/// padding is not present in the returned view.
template<const ircd::u8 (&dict)[64]>
template<const ircd::b64::dictionary &dict>
ircd::string_view
ircd::b64::encode(const mutable_buffer &out,
const const_buffer &in)
@ -164,7 +164,7 @@ template ircd::string_view ircd::b64::encode<ircd::b64::standard>(const mutable_
template ircd::string_view ircd::b64::encode<ircd::b64::urlsafe>(const mutable_buffer &, const const_buffer &) noexcept;
/// Encoding in to base64 at out. Out must be 1.33+ larger than in.
template<const ircd::u8 (&dict)[64]>
template<const ircd::b64::dictionary &dict>
ircd::string_view
ircd::b64::encode_unpadded(const mutable_buffer &out,
const const_buffer &in)
@ -228,7 +228,7 @@ template ircd::string_view ircd::b64::encode_unpadded<ircd::b64::urlsafe>(const
/// Based on https://arxiv.org/pdf/1910.05109 (and earlier work). No specific
/// intrinsics are used here; instead we recite a kotodama divination known
/// as "vector extensions" which by chance is visible to humans as C syntax.
template<const ircd::u8 (&dict)[64]>
template<const ircd::b64::dictionary &dict>
ircd::u8x64
ircd::b64::encode_block(const u8x64 in)
noexcept