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authorJack Lloyd <[email protected]>2018-08-24 13:46:27 -0400
committerJack Lloyd <[email protected]>2018-08-24 13:46:27 -0400
commit162cf0b2cd41dcb866abff1bbf860ea253f89821 (patch)
tree6c6dfc0496f534a051b3b5dd54d3884d63aa9688 /src/lib/pubkey
parentafbae250e23c202329792a06783184b7ba08776f (diff)
parent88213d27a3601639d75cd977c0642f7ac19bd7cf (diff)
Merge GH #1659 Report correct size for XMSS signatures
Diffstat (limited to 'src/lib/pubkey')
-rw-r--r--src/lib/pubkey/xmss/xmss_signature_operation.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/lib/pubkey/xmss/xmss_signature_operation.cpp b/src/lib/pubkey/xmss/xmss_signature_operation.cpp
index d6a57bb08..8c53cd924 100644
--- a/src/lib/pubkey/xmss/xmss_signature_operation.cpp
+++ b/src/lib/pubkey/xmss/xmss_signature_operation.cpp
@@ -54,8 +54,10 @@ XMSS_Signature_Operation::sign(const secure_vector<uint8_t>& msg_hash,
size_t XMSS_Signature_Operation::signature_length() const
{
- // TODO bound this by the params
- return 128*1024;
+ return sizeof(uint64_t) + // size of leaf index
+ m_xmss_params.element_size() +
+ m_xmss_params.len() * m_xmss_params.element_size() +
+ m_xmss_params.tree_height() * m_xmss_params.element_size();
}
wots_keysig_t