Timeline for Is it safe to use same private key in two or more EC signature algorithms?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 25, 2018 at 18:11 | vote | accept | warchantua | ||
| Jan 22, 2018 at 14:56 | comment | added | warchantua | @CodesInChaos I am building 2-way-peg and considering usage of the same private key for different blockchains. I think I will stick to Maarten Bodewes's answer. Thanks for your help! | |
| Jan 14, 2018 at 15:35 | comment | added | CodesInChaos | Why do you want to do that? Reusing a key-pair on the same curve can be useful. But on different curves, I don't see any advantage at all over using different private keys (since the public key is already different). | |
| Jan 13, 2018 at 22:13 | history | tweeted | twitter.com/StackCrypto/status/952302713806737408 | ||
| Jan 13, 2018 at 21:55 | comment | added | Maarten Bodewes♦ | Note that you could also store 128 bits of data or more and derive the two keys from that using a KDF with two labels. | |
| Jan 13, 2018 at 19:48 | answer | added | Yehuda Lindell | timeline score: 5 | |
| Jan 13, 2018 at 16:57 | history | asked | warchantua | CC BY-SA 3.0 |