Hey #opsec #cybersecurity folks - I have an ELI5 question that I hope you can help with!
How exactly does a digital signature in asymmetric cryptographic exchanges establish non-repudiation? I understand that only the sender has the private key that can decrypt the signature. But how does the receiver use that to verify? Just a connection I'm having trouble making in my head...
mattybs
npub1l2…8n2lz
2024-02-12 16:12:18
Author Public Key
npub1l2h50te8u00qd6plx3hudn82p24lcafqmqhlayxy3h7dwsxxnj4q28n2lzPublished at
2024-02-12 16:12:18Event JSON
{
"id": "232c1013821033e74cead94fd1cb4e3a4d259031f7b3e593cdb06c90e58eb5f7",
"pubkey": "faaf47af27e3de06e83f346fc6ccea0aabfc7520d82ffe90c48dfcd740c69caa",
"created_at": 1707750738,
"kind": 1,
"tags": [
[
"t",
"opsec"
],
[
"t",
"opsec"
],
[
"t",
"cybersecurity"
],
[
"t",
"cybersecurity"
]
],
"content": "Hey #opsec #cybersecurity folks - I have an ELI5 question that I hope you can help with!\n\nHow exactly does a digital signature in asymmetric cryptographic exchanges establish non-repudiation? I understand that only the sender has the private key that can decrypt the signature. But how does the receiver use that to verify? Just a connection I'm having trouble making in my head...",
"sig": "f8f55d33b34c811b881e021b3c1cd7bd5c5a4196712b30061b5db6e2617383ae83766ee8e79e778385010fa036a5e04813a6951a270c75068d7c8a8bdd0651f3"
}