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changed key format, now includes the ed25519 pubkey for signing.

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git@daemon.de
2013-11-08 12:50:04 +01:00
parent e6733e5e56
commit 60ee58b106
25 changed files with 281 additions and 136 deletions
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9
libpcp/ed.c
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@@ -27,7 +27,7 @@ int pcp_ed_verify(unsigned char *input, size_t inputlen, pcp_sig_t *sig, pcp_pub
unsigned char *check = ucmalloc(crypto_hash_sha256_BYTES); // from file
size_t mlen = 0;
if(crypto_sign_open(hash, &mlen, sig->edsig, crypto_hash_sha256_BYTES + crypto_sign_BYTES, p->public) != 0) {
if(crypto_sign_open(hash, &mlen, sig->edsig, crypto_hash_sha256_BYTES + crypto_sign_BYTES, p->edpub) != 0) {
fatal("Failed to open the signature using the public key 0x%s!\n", p->id);
goto errve1;
}
@@ -50,13 +50,18 @@ int pcp_ed_verify(unsigned char *input, size_t inputlen, pcp_sig_t *sig, pcp_pub
}
pcp_sig_t *pcp_ed_sign(unsigned char *message, size_t messagesize, pcp_key_t *s) {
byte edpub[32] = { 0 };
byte edsec[64] = { 0 };
crypto_sign_seed_keypair(edpub, edsec, s->secret);
unsigned char *hash = ucmalloc(crypto_hash_sha256_BYTES);
size_t slen = crypto_hash_sha256_BYTES + crypto_sign_BYTES;
unsigned char *signature = ucmalloc(slen);
crypto_hash_sha256(hash, message, messagesize);
crypto_sign(signature, &slen, hash, crypto_hash_sha256_BYTES, s->secret);
crypto_sign(signature, &slen, hash, crypto_hash_sha256_BYTES, edsec);
pcp_sig_t *sig = pcp_ed_newsig(signature, s->id);