Recently analyzing https://github.com/AbdelStark/nostringer-rs with Abdel (nprofile…lw5g) (ring signatures) led me to write this in Python:
https://gist.github.com/AdamISZ/1012d90d47c53a9d4f99995877548b4f
, just a bare bones Back-LSAG impl. that doesn't include the ring in the challenge hash. As we discussed at length in https://github.com/AbdelStark/nostringer-rs/issues/24 there does not appear to be a security vulnerability; the ring is implicitly committed.
#cryptography
waxwing /
npub1va…knuu7
2025-04-08 12:32:40
Author Public Key
npub1vadcfln4ugt2h9ruwsuwu5vu5am4xaka7pw6m7axy79aqyhp6u5q9knuu7Published at
2025-04-08 12:32:40Event JSON
{
"id": "82af5dd8e3d6c40bd20ff6e4ff8b4c5dcbed38642019e31d47b164ba9de865d0",
"pubkey": "675b84fe75e216ab947c7438ee519ca7775376ddf05dadfba6278bd012e1d728",
"created_at": 1744115560,
"kind": 1,
"tags": [
[
"p",
"b8f4c2e90f0dd667121533d7b8dafd77384b0b5051f8272e5493c58f7f93e14b",
"",
"mention"
],
[
"t",
"cryptography"
],
[
"r",
"https://github.com/AbdelStark/nostringer-rs"
],
[
"r",
"https://gist.github.com/AdamISZ/1012d90d47c53a9d4f99995877548b4f"
],
[
"r",
"https://github.com/AbdelStark/nostringer-rs/issues/24"
]
],
"content": "Recently analyzing https://github.com/AbdelStark/nostringer-rs with nostr:nprofile1qqst3axzay8sm4n8zg2n84acmt7hwwztpdg9r7p89e2f83v007f7zjcprpmhxue69uhhqun9d45h2mfwwpexjmtpdshxuet5qyt8wumn8ghj7un9d3shjtnswf5k6ctv9ehx2aqpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq7lw5g (ring signatures) led me to write this in Python:\n\nhttps://gist.github.com/AdamISZ/1012d90d47c53a9d4f99995877548b4f\n\n, just a bare bones Back-LSAG impl. that doesn't include the ring in the challenge hash. As we discussed at length in https://github.com/AbdelStark/nostringer-rs/issues/24 there does not appear to be a security vulnerability; the ring is implicitly committed.\n\n#cryptography \n",
"sig": "9f372eff209701983a62a6391b26599380767a34f7a8c789a3968fbd85dbbf53ae6ed0373b610db3221006199ccdab4d50718769e44da966ff80576cf60129fa"
}