32 lines
No EOL
804 B
Text
32 lines
No EOL
804 B
Text
import "./1024bit" as sha256
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// A function that takes 2 u32[8] arrays as inputs, concatenates them, pads them,
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// and returns their sha256 hash as a u32[8]
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def main(u32[8] a, u32[8] b) -> u32[8]:
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// Hash is computed on the full 512bit block size
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// padding does not fit in the primary block
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// add dummy block (single "1" followed by "0" + total length)
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u32[8] dummyblock1 = [ \
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0x80000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000
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]
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u32[8] dummyblock2 = [ \
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000200
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]
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return sha256(a, b, dummyblock1, dummyblock2) |