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Move BLAKE3 expand function

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Miguel Oliveira 2022-04-10 17:39:30 -03:00
parent b9457e9dd5
commit c9829f9759
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GPG key ID: 2C2BE789E1377025
1 changed files with 17 additions and 17 deletions
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34
blake3.lua
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@ -118,6 +118,23 @@ local function merge(cvl, cvr)
return cvl return cvl
end end
local function expand(out, len, offset)
expect(1, out, "table")
expect(1, len, "number")
expect(2, offset, "nil", "number")
offset = offset or 0
-- Expand output.
local out = {}
for i = 0, len / 64 do
local n = offset + i
local md = compress(out.cv, out.m, n, out.n, out.f, true)
out[i + 1] = ("<I4I4I4I4I4I4I4I4I4I4I4I4I4I4I4I4"):pack(unpack(md))
end
return table.concat(out):sub(1, len)
end
local function update(state, message) local function update(state, message)
expect(1, state, "table") expect(1, state, "table")
expect(1, message, "string") expect(1, message, "string")
@ -203,23 +220,6 @@ local function finalize(state)
end end
end end
local function expand(out, len, offset)
expect(1, out, "table")
expect(1, len, "number")
expect(2, offset, "nil", "number")
offset = offset or 0
-- Expand output.
local out = {}
for i = 0, len / 64 do
local n = offset + i
local md = compress(out.cv, out.m, n, out.n, out.f, true)
out[i + 1] = ("<I4I4I4I4I4I4I4I4I4I4I4I4I4I4I4I4"):pack(unpack(md))
end
return table.concat(out):sub(1, len)
end
local function copy(state) local function copy(state)
-- Copy CV stack. -- Copy CV stack.
local cvs = {} local cvs = {}