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21 lines
348 B
C++
21 lines
348 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 "ge.h"
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int crypto_sign_pubkey(unsigned char*pk, const unsigned char* sk)
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{
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unsigned char az[64];
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ge_p3 A;
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crypto_hash_sha512(az,sk,32);
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az[0] &= 248;
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az[31] &= 63;
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az[31] |= 64;
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ge_scalarmult_base(&A,az);
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ge_p3_tobytes(pk,&A);
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return 0;
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}
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