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author | Micah Anderson <micah@riseup.net> | 2013-08-22 16:39:52 -0400 |
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committer | Micah Anderson <micah@riseup.net> | 2013-08-22 16:57:38 -0400 |
commit | 6d35b188b668c5007409e63a15e8340ed34dcfb8 (patch) | |
tree | c9dd25f3675b3b6f9b29b0786057f8a4d377bc2b /src-ed25519/supercop-ref/verify.c | |
parent | 86a1089dc6694f58d0f3356bdf9c8fe4061421f5 (diff) | |
parent | 5e60e0e3af85f22aa0afe8bf0ecf85619afacfeb (diff) |
Merge tag 'upstream/0.6.0.12'
Upstream version 0.6.0.12
Diffstat (limited to 'src-ed25519/supercop-ref/verify.c')
-rw-r--r-- | src-ed25519/supercop-ref/verify.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src-ed25519/supercop-ref/verify.c b/src-ed25519/supercop-ref/verify.c new file mode 100644 index 0000000..a04186b --- /dev/null +++ b/src-ed25519/supercop-ref/verify.c @@ -0,0 +1,40 @@ +#include "crypto_verify_32.h" + +int crypto_verify_32(const unsigned char *x,const unsigned char *y) +{ + unsigned int differentbits = 0; +#define F(i) differentbits |= x[i] ^ y[i]; + F(0) + F(1) + F(2) + F(3) + F(4) + F(5) + F(6) + F(7) + F(8) + F(9) + F(10) + F(11) + F(12) + F(13) + F(14) + F(15) + F(16) + F(17) + F(18) + F(19) + F(20) + F(21) + F(22) + F(23) + F(24) + F(25) + F(26) + F(27) + F(28) + F(29) + F(30) + F(31) + return (1 & ((differentbits - 1) >> 8)) - 1; +} |