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Last change
on this file was
9598517,
checked in by Brian Warner <warner@…>, at 2012-02-12T15:05:37Z
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Add Ed25519 signatures, in pycryptopp.publickey.ed25519 . Closes #75.
This copies in version 1.0 of python-ed25519, from
https://github.com/warner/python-ed25519 (or pypi), with minor source-code
rearrangement to match pycryptopp's build process. It includes unit tests,
power-on self-tests, and full known-answer tests. The standard 'setup.py
test' target only exercises 10% of the test vectors, to let the suite run in
about 1.0s on my laptop. The API documentation is in README.ed25519 .
Tests have been run successfully on Linux, OS-X and windows.
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Property mode set to
100644
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File size:
473 bytes
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| 1 | #include "crypto_verify_32.h" |
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| 2 | |
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| 3 | int crypto_verify_32(const unsigned char *x,const unsigned char *y) |
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| 4 | { |
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| 5 | unsigned int differentbits = 0; |
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| 6 | #define F(i) differentbits |= x[i] ^ y[i]; |
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| 7 | F(0) |
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| 8 | F(1) |
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| 9 | F(2) |
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| 10 | F(3) |
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| 11 | F(4) |
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| 12 | F(5) |
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| 13 | F(6) |
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| 14 | F(7) |
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| 15 | F(8) |
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| 16 | F(9) |
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| 17 | F(10) |
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| 18 | F(11) |
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| 19 | F(12) |
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| 20 | F(13) |
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| 21 | F(14) |
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| 22 | F(15) |
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| 23 | F(16) |
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| 24 | F(17) |
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| 25 | F(18) |
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| 26 | F(19) |
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| 27 | F(20) |
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| 28 | F(21) |
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| 29 | F(22) |
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| 30 | F(23) |
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| 31 | F(24) |
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| 32 | F(25) |
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| 33 | F(26) |
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| 34 | F(27) |
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| 35 | F(28) |
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| 36 | F(29) |
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| 37 | F(30) |
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| 38 | F(31) |
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| 39 | return (1 & ((differentbits - 1) >> 8)) - 1; |
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| 40 | } |
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