minor updates

ingonyama-zk · Nov 3, 2024 · 14d296a · 14d296a
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diff --git a/docs/docs/icicle/primitives/hash.md b/docs/docs/icicle/primitives/hash.md
@@ -136,7 +136,7 @@ eIcicleErr err = keccak256.hash(input.data(), input.size() / config.batch, confi
 
 ### 4. Posidon sponge function
 
-Currently the poseidon sponge function isn't implemented.
+Currently the poseidon sponge function (Sec 2.1 of https://eprint.iacr.org/2019/458.pdf ) isn't implemented.
 
 ### Supported Bindings
 

diff --git a/icicle/include/icicle/hash/poseidon.h b/icicle/include/icicle/hash/poseidon.h
@@ -10,6 +10,7 @@ namespace icicle {
    * contexts and use cases. The width parameter (`t`) determines the number of elements in the state,
    * influencing the security level and output structure of the hash. The optional `domain_tag` pointer parameter
    * enables domain separation, allowing isolation of hash outputs across different contexts or applications.
+   * (See here for a detailed explanation: https://hackmd.io/@7dpNYqjKQGeYC7wMlPxHtQ/ByIbpfX9c#SAFE-Sponge-API-for-Field-Elements-–-A-Toolbox-for-ZK-Hash-Applications)
    *
    * @param S Represents the type of the field element used by the hash (e.g., a field element class).
    *