kris/xmss-KAT-generator
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Store OID in bigendian notation in pk and sk
2018-01-30 08:42:22 +00:00
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hash_address.c Make addr type switching not zero out remainder 2017-11-01 16:49:52 +01:00
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hash.c Fix prf when n != 32 2017-11-01 16:07:06 +01:00
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params.c Update IANA numeric identifiers to match Draft v12 2018-01-10 23:22:32 +01:00
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randombytes.c Refactor for more consistent style and readability 2017-08-03 17:39:37 +02:00
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wots.c Rename hash functions to tweaked hashes 2017-11-01 15:16:17 +01:00
wots.h Fix typo in WOTS comments: n-byte messages, not m 2017-11-01 13:35:58 +01:00
xmss_commons.c More explicitly label pk parts in verification 2017-12-06 15:14:50 +01:00
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xmss_core_fast.c Make addr type switching not zero out remainder 2017-11-01 16:49:52 +01:00
xmss_core.c Fix typo in comments leaving root out of sk 2017-11-02 17:00:38 +01:00
xmss_core.h Fix typo in comments leaving root out of sk 2017-11-02 17:00:38 +01:00
xmss.c Store OID in bigendian notation in pk and sk 2018-01-30 08:42:22 +00:00
xmss.h Perform various reformatting / renaming 2017-10-23 14:10:39 +02:00

README.md

XMSS reference code Build Status

This repository contains the reference implementation that accompanies the Internet Draft "XMSS: Extended Hash-Based Signatures", draft-irtf-cfrg-xmss-hash-based-signatures.

This reference implementation supports all parameter sets as defined in the Draft at run-time (specified by prefixing the public and private keys with a 32-bit oid). Implementations that want to use compile-time parameter sets can remove the struct xmss_params function parameter.

When using the current code base, please be careful, expect changes and watch this document for further documentation. In particular, xmss_core_fast.c is long due for a serious clean-up. While this will not change its public API or output, it may affect the storage format of the BDS state (i.e. part of the secret key).

Dependencies

For the SHA-2 hash functions (i.e. SHA-256 and SHA-512), we rely on OpenSSL. Make sure to install the OpenSSL development headers. On Debian-based systems, this is achieved by installing the OpenSSL development package libssl-dev.

License

This reference implementation was written by Andreas Hülsing and Joost Rijneveld. All included code is available under the CC0 1.0 Universal Public Domain Dedication.