bignp256: migrate to LittleEndian, according to specification#1684
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tarcieri merged 2 commits intoRustCrypto:masterfrom Mar 22, 2026
Merged
bignp256: migrate to LittleEndian, according to specification#1684tarcieri merged 2 commits intoRustCrypto:masterfrom
bignp256: migrate to LittleEndian, according to specification#1684tarcieri merged 2 commits intoRustCrypto:masterfrom
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Also, it is blocked by RustCrypto/signatures#1109 |
tarcieri
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Mar 11, 2026
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| @@ -247,7 +252,10 @@ where | |||
| } | |||
| ByteOrder::LittleEndian => { | |||
| let padded = self.inner.retrieve().to_le_byte_array(); | |||
| repr.copy_from_slice(&padded[..offset]); | |||
| // For little-endian encoding we expose the least-significant bytes | |||
| // at the beginning of the representation. | |||
| let len = repr.len(); | |||
| repr.copy_from_slice(&padded[..len]); | |||
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It would be good if you can split these bugfix changes to primefield out into a separate PR and add a regression test
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Will do it tomorrow
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@tarcieri i think it would be great to release it before 0.14, bcs the breaking changes |
tarcieri
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Mar 22, 2026
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Hello!
Just migrated BigEndian to LittleEndian, according to specification.
Also, there is testing methodics from Belarusian State University.
Here is the example for bign256 of signature generation:

For that, i've edited the
monty.rsfile, typed about that in #elliptic-curves > bignp256 - migrate to LE@tarcieri