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26 lines
492 B
C
26 lines
492 B
C
#include <string.h>
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#include "crypto_sign.h"
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#include "crypto_hash_sha512.h"
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#include "randombytes.h"
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#include "ge25519.h"
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int crypto_sign_keypair(unsigned char *pk,unsigned char *sk)
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{
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unsigned char az[64];
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sc25519 scsk;
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ge25519 gepk;
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randombytes(sk,32);
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crypto_hash_sha512(az,sk,32);
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az[0] &= 248;
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az[31] &= 127;
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az[31] |= 64;
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sc25519_from32bytes(&scsk,az);
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ge25519_scalarmult_base(&gepk, &scsk);
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ge25519_pack(pk, &gepk);
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memmove(sk + 32,pk,32);
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return 0;
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}
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