Poseidon V1 variable-length input collision via implicit zero-padding

Impact Poseidon V1 PoseidonSponge accepts variable-length inputs without injective padding. When a caller provides fewer inputs than the sponge rate inputs.len k, hashm1, ..., mk equals hashm1, ..., mk, 0 because both produce identical pre-permutation states. This affects any use of PoseidonSpong...

soroban-poseidon 安全漏洞

Soroban-Poseidon is a Poseidon hash function library developed by Stellar for smart contracts. Soroban-Poseidon has a security vulnerability, which stems from Poseidon V1 accepting variable-length inputs without using injective padding, potentially leading to simple hash collisions...