From my understanding, it's sort of like homomorphic encryption where you can create a function key based on a particular private key, which allows a certain function to operate on the encrypted data as if it was not encrypted. Thus, allowing for a note signing without revealing the nsec.
https://en.wikipedia.org/wiki/Functional_encryption#:~:text=Functional%20encryption%20(FE)%20is%20a,what%20the%20ciphertext%20is%20encrypting.
zach / Zach
npub1za…m5dy5
2024-06-04 14:00:10
in reply to nevent1q…qsxc
Author Public Key
npub1zach44xjpc4yyhx6pgse2cj2pf98838kja03dv2e8ly8lfr094vqvm5dy5Published at
2024-06-04 14:00:10Event JSON
{
"id": "42fdabe875bb8e8cacd9959c583e81e030ce503073b1644e37806383a293b9fd",
"pubkey": "17717ad4d20e2a425cda0a2195624a0a4a73c4f6975f16b1593fc87fa46f2d58",
"created_at": 1717509610,
"kind": 1,
"tags": [
[
"p",
"1739d937dc8c0c7370aa27585938c119e25c41f6c441a5d34c6d38503e3136ef",
"wss://eden.nostr.land/",
"JeffG"
],
[
"e",
"5e58333a514388354a0db9918b08125e9ba5b4ace8f0a29f7a932e68fff73103",
"wss://eden.nostr.land/",
"root",
"17717ad4d20e2a425cda0a2195624a0a4a73c4f6975f16b1593fc87fa46f2d58"
],
[
"e",
"7f35fc31afb38cf3e23951ddde4342e5d153ef7bd0fa664bdd295425022a6ef5",
"wss://nostr.fmt.wiz.biz",
"mention"
],
[
"e",
"1554b36e85e35b0236f5457eb102c7e4a465c25689568633668807231aadeaef",
"wss://eden.nostr.land/",
"reply",
"1739d937dc8c0c7370aa27585938c119e25c41f6c441a5d34c6d38503e3136ef"
]
],
"content": "From my understanding, it's sort of like homomorphic encryption where you can create a function key based on a particular private key, which allows a certain function to operate on the encrypted data as if it was not encrypted. Thus, allowing for a note signing without revealing the nsec.\nhttps://en.wikipedia.org/wiki/Functional_encryption#:~:text=Functional%20encryption%20(FE)%20is%20a,what%20the%20ciphertext%20is%20encrypting.",
"sig": "6dca1943a2333b50c211074ef23714a986985fb0f9d5c4c68ad1ef6b8f41edcb1c5576f07446b0bcbd06a9708c4692919999c9de2f19aa46a357f8027e5541c1"
}