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Questions tagged [cryptography]

The tag has no usage guidance.

7
votes
0answers
33 views

Get valid keys/address with ed25519

I read this great post on tz1 keys with ed25519. I also saw that the eztz lib doesn't support ed25519 keys. So I'm trying to understand briefly what is considered a valid procedure to get keys/...
9
votes
1answer
80 views

Why a reveal operation?

In order for everybody to be able to validate signatures, public keys have to be stored on the blockchain using reveal operations. As far as I understand, such operations are not needed in Ethereum, ...
5
votes
1answer
32 views

HD Derivation Path with P-256 signature

Is it possible to use P-256 encryption system on a ledger nano with tezbox? With Obsidian's command line tool, it is possible to use 3 types of signatures (Ed25519, Secp256k1, P-256). What are the ...
7
votes
1answer
77 views

What elliptic curves are used by Tezos?

Do tz1, tz2, tz3 addresses correspond to the different elliptic curves used by Tezos?
9
votes
2answers
55 views

Encryption within smart contract

I can't find much documentation on this, is it possible to encrypt/decrypt data within a tezos smart contract? So how would I do something like AES crypto (although does not matter much) in a smart ...