kris/xmss-KAT-generator
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Do not perform bds_round for the last leaf

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This commit is contained in:
Joost Rijneveld 2015-10-28 13:45:05 +01:00
parent c2807695e8
commit f5a5231c72
1 changed files with 4 additions and 1 deletions
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5
xmss_fast.c
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@ -690,7 +690,10 @@ int xmss_sign(unsigned char *sk, bds_state *state, unsigned char *sig_msg, unsig
// the auth path was already computed during the previous round // the auth path was already computed during the previous round
memcpy(sig_msg, state->auth, h*n); memcpy(sig_msg, state->auth, h*n);
bds_round(state, idx, sk_seed, params, (h - k) >> 1, pub_seed, ots_addr); if (idx < (1 << h) - 1) {
bds_round(state, idx, sk_seed, params, (h - k) >> 1, pub_seed, ots_addr);
}
sig_msg += params->h*n; sig_msg += params->h*n;
*sig_msg_len += params->h*n; *sig_msg_len += params->h*n;