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First public release

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ben
2019-05-27 21:40:41 +02:00
commit accdbc7806
50 changed files with 15267 additions and 0 deletions
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27
src/curve25519.c Normal file
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#include "curve25519-donna.h"
#if !defined(CURVE25519_SUFFIX)
#define CURVE25519_SUFFIX
#endif
#define CURVE25519_FN3(fn,suffix) fn##suffix
#define CURVE25519_FN2(fn,suffix) CURVE25519_FN3(fn,suffix)
#define CURVE25519_FN(fn) CURVE25519_FN2(fn,CURVE25519_SUFFIX)
void
CURVE25519_FN(curve25519_donna) (curve25519_key mypublic, const curve25519_key secret, const curve25519_key basepoint) {
curve25519_key e;
size_t i;
for (i = 0;i < 32;++i) e[i] = secret[i];
e[0] &= 0xf8;
e[31] &= 0x7f;
e[31] |= 0x40;
curve25519_scalarmult_donna(mypublic, e, basepoint);
}
void
CURVE25519_FN(curve25519_donna_basepoint) (curve25519_key mypublic, const curve25519_key secret) {
static const curve25519_key basepoint = {9};
CURVE25519_FN(curve25519_donna)(mypublic, secret, basepoint);
}