diff --git a/gen-identifier-registry b/gen-identifier-registry
index 3112819..c02c475 100755
--- a/gen-identifier-registry
+++ b/gen-identifier-registry
@@ -37,6 +37,8 @@ for line in csvdata:
spec = 'RFC 6234'
elif(codec.startswith('sha3')):
spec = 'FIPS 202'
+ elif(codec.startswith('poseidon')):
+ spec = 'POSEIDON'
elif(codec.startswith('md4')):
status = 'deprecated'
spec = 'RFC 6150'
diff --git a/index.xml b/index.xml
index c585c90..9a02faa 100644
--- a/index.xml
+++ b/index.xml
@@ -270,6 +270,21 @@ data specifies the value of the output of the hash function.
+
+
+ POSEIDON: A New Hash Function for Zero-Knowledge Proof Systems
+
+
+
+
+
+
+
+ A modular framework and concrete instances of cryptographic hash functions which work natively with GF(p) objects. The POSEIDON hash function uses up to 8x fewer constraints per message bit than a Pedersen Hash.
+
+
+
+
The BLAKE2 Cryptographic Hash and Message Authentication Code (MAC)
@@ -452,7 +467,7 @@ implementations of the specification (in alphabetical order).
sha2-512-2240x1014activeRFC 6234
sha2-512-2560x1015activeRFC 6234
blake2b-2560xb220activeRFC 7693
- poseidon-bls12_381-a2-fc10xb401activeUnknown
+ poseidon-bls12_381-a2-fc10xb401activePOSEIDON