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Joost Rijneveld 94a92ed2b1
Make XMSS sign/open functions instances of XMSSMT 		vor 7 Jahren
test Rename parameters for readability and consistency vor 7 Jahren
.gitignore Add test to check deterministic signatures vor 7 Jahren
LICENSE Simplify licensing using LICENSE file vor 7 Jahren
Makefile Add test to check deterministic signatures vor 7 Jahren
README.md Document and simplify library usage vor 7 Jahren
fips202.c Clean up includes vor 7 Jahren
fips202.h Perform various reformatting / renaming vor 7 Jahren
hash.c Reorder ull_to_bytes parameters to group output vor 7 Jahren
hash.h Perform various reformatting / renaming vor 7 Jahren
hash_address.c Rename parameters for readability and consistency vor 7 Jahren
hash_address.h Rename parameters for readability and consistency vor 7 Jahren
params.c Rename parameters for readability and consistency vor 7 Jahren
params.h Rename parameters for readability and consistency vor 7 Jahren
randombytes.c Refactor for more consistent style and readability vor 7 Jahren
randombytes.h Perform various reformatting / renaming vor 7 Jahren
wots.c Reorder ull_to_bytes parameters to group output vor 7 Jahren
wots.h Refactor and deduplicate WOTS vor 7 Jahren
xmss.c Revert to using runtime-only parameter struct vor 7 Jahren
xmss.h Perform various reformatting / renaming vor 7 Jahren
xmss_commons.c Make XMSS sign/open functions instances of XMSSMT vor 7 Jahren
xmss_commons.h Clean up signing functions vor 7 Jahren
xmss_core.c Make XMSS sign/open functions instances of XMSSMT vor 7 Jahren
xmss_core.h Perform various reformatting / renaming vor 7 Jahren
xmss_core_fast.c Rename parameters for readability and consistency vor 7 Jahren
xmss_core_fast.h Simplify licensing using LICENSE file vor 7 Jahren

README.md

XMSS reference code

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.

While the behavior of the code in this repository is supposed to be stable, the API is not yet fully complete. In particular, the wrapper for run-time parameters does not yet support the back-end functions that make use of BDS traversal (TODO). We will also add more extensive test functionality, making it easier to compare to other XMSS implementations (TODO).

When using the current code base, please be careful, expect changes and watch this document for further documentation.

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.