upstream: Add experimental support for PQC XMSS keys (Extended
Hash-Based Signatures) The code is not compiled in by default (see WITH_XMSS
in Makefile.inc) Joint work with stefan-lukas_gazdag at genua.eu See
https://tools.ietf.org/html/draft-irtf-cfrg-xmss-hash-based-signatures-12 ok
djm@
OpenBSD-Commit-ID: ef3eccb96762a5d6f135d7daeef608df7776a7ac
diff --git a/xmss_hash.h b/xmss_hash.h
new file mode 100644
index 0000000..2fed730
--- /dev/null
+++ b/xmss_hash.h
@@ -0,0 +1,19 @@
+/*
+hash.h version 20160722
+Andreas Hülsing
+Joost Rijneveld
+Public domain.
+*/
+
+#ifndef HASH_H
+#define HASH_H
+
+#define IS_LITTLE_ENDIAN 1
+
+unsigned char* addr_to_byte(unsigned char *bytes, const uint32_t addr[8]);
+int prf(unsigned char *out, const unsigned char *in, const unsigned char *key, unsigned int keylen);
+int h_msg(unsigned char *out,const unsigned char *in,unsigned long long inlen, const unsigned char *key, const unsigned int keylen, const unsigned int n);
+int hash_h(unsigned char *out, const unsigned char *in, const unsigned char *pub_seed, uint32_t addr[8], const unsigned int n);
+int hash_f(unsigned char *out, const unsigned char *in, const unsigned char *pub_seed, uint32_t addr[8], const unsigned int n);
+
+#endif