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#include |
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#include "ed25519.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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memmove(private_key, seed, 32); |
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memmove(private_key + 32, public_key, 32); |
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} |