24 lines
561 B
C
24 lines
561 B
C
#include "ed_25519.h"
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#include "sha512.h"
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#include "ge.h"
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void ed25519_create_keypair(unsigned char *public_key, unsigned char *private_key, const unsigned char *seed) {
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ge_p3 A;
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sha512(seed, 32, private_key);
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private_key[0] &= 248;
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private_key[31] &= 63;
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private_key[31] |= 64;
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ge_scalarmult_base(&A, private_key);
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ge_p3_tobytes(public_key, &A);
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}
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void ed25519_derive_pub(unsigned char *public_key, const unsigned char *private_key) {
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ge_p3 A;
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ge_scalarmult_base(&A, private_key);
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ge_p3_tobytes(public_key, &A);
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}
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