如何对Tezos公钥进行哈希处理

Question

如何对Tezos公钥进行哈希处理

- 3
- 597 2020-01-16
我只需要基于公共ed25519密钥创建Tezos公共密钥哈希.

我知道一个实用程序可以基于助记符生成整个密钥库-这不是我所需要的.

我将欢迎逐步说明如何从edpk转换为tz1表单或代码段.

谢谢.

I need to create a Tezos public key hash based on a public ed25519 key only.

I am aware of an utility that generates entire keystore based on mnemonics - this is not what I need.

I'd welcome either a step by step description how to get from an edpk to a tz1 form or a code snippet.

Thanks.

hash offline
- 原文
- K SS

4 个回答

投票数

Bo Byrd · Answer 1 · 2020-01-16

7

2020-01-16

此处介绍了如何在python中执行此操作,其中变量pubkey是公钥的字节数组

 P2HASH_MAGIC = bytes.fromhex('06a1a4')
blake2bhash = blake2b(pubkey, digest_size=20).digest()
shabytes = sha256(sha256(P2HASH_MAGIC + blake2bhash).digest()).digest()[:4]
pkhash = b58encode(P2HASH_MAGIC + blake2bhash + shabytes).decode()

Heres how to do it in python, where the variable pubkey is the bytes array of the public key

P2HASH_MAGIC = bytes.fromhex('06a1a4')
blake2bhash = blake2b(pubkey, digest_size=20).digest()
shabytes = sha256(sha256(P2HASH_MAGIC + blake2bhash).digest()).digest()[:4]
pkhash = b58encode(P2HASH_MAGIC + blake2bhash + shabytes).decode()

谢谢,太好了.您是否愿意通过添加解释那里发生的情况的评论来改善该答案?例如-什么是P2HASH_MAGIC以及为什么我们在第3行中切出一些字节.

Thanks, that's great. Would you mind to improve that answer by adding comments explaining what happens there? For example - what is P2HASH_MAGIC and why do we cut out some bytes in line 3.
- 0
- 2020-01-16
- K SS
b58encode的输入将是51个字节长(" P2HASH_MAGIC"是3个字节,"blake2bhash"是20个字节" shabytes"是32-4=28个字节).这将产生一个49字符长的`base58check`字符串.但是,"tz1"地址的长度为36个字符.当然,这种方法不正确,对吗?

Input for b58encode is going to be 51 bytes long (`P2HASH_MAGIC` is 3 bytes, `blake2bhash` is 20 bytes `shabytes` is 32 - 4 = 28 bytes) . This is going to produce a 49-char long `base58check` string. However, a `tz1` address is 36-char long. Surely, this method is not correct, is it?
- 0
- 2020-02-11
- K SS

Seb Mondet · Answer 2 · 2020-01-16

5

2020-01-16

您是否构建了tezos回购协议?如果是,则可以使用tezos-crypto运行ocaml CLI:

  $ dune utop src/lib_crypto

然后:

 ocaml# open Tezos_crypto;;
ocaml# Ed25519.Public_key.of_b58check_exn
           "edpkuoK2J2UVbDcSTdJgP85JmDN3gxBCswcgApbtY5d7zHVunwCKNR"
       |> Ed25519.Public_key.hash
       |> Ed25519.Public_key_hash.to_b58check;;                                                                                                                                                      
- : string = "tz1L1bypLzuxGHmx3d6bHFJ2WCi4ZDbocSCA"

Do you have the tezos repo built? If yes, you can run the ocaml CLI with tezos-crypto:

 $ dune utop src/lib_crypto

and then:

ocaml# open Tezos_crypto;;
ocaml# Ed25519.Public_key.of_b58check_exn
           "edpkuoK2J2UVbDcSTdJgP85JmDN3gxBCswcgApbtY5d7zHVunwCKNR"
       |> Ed25519.Public_key.hash
       |> Ed25519.Public_key_hash.to_b58check;;                                                                                                                                                      
- : string = "tz1L1bypLzuxGHmx3d6bHFJ2WCi4ZDbocSCA"

虽然这可能是一个很好的答案,但对我而言却无济于事.我需要在nodejs应用中以编程方式进行操作.

While this is probably a good answer, it is not helpful in my case. I need to do it programatically, in a nodejs app.
- 0
- 2020-01-16
- K SS

arvidj · Answer 3 · 2020-01-17

4

2020-01-17

在python中,使用pytezos 的git版本:

来自pytezos.crypto导入密钥的

 from pytezos.crypto import Key

public_key = 'edpkuoK2J2UVbDcSTdJgP85JmDN3gxBCswcgApbtY5d7zHVunwCKNR'
hash = Key(public_key).public_key_hash()
print(hash)

In python, using the git version of pytezos:

from pytezos.crypto import Key

public_key = 'edpkuoK2J2UVbDcSTdJgP85JmDN3gxBCswcgApbtY5d7zHVunwCKNR'
hash = Key(public_key).public_key_hash()
print(hash)

K SS · Answer 4 · 2020-01-17

1

2020-01-17

在NodeJS中,也可以使用sotez:

 import {Key} from 'sotez';

const sotezKey = new Key({ key: 'edpktx799pgw7M4z8551URER52VcENNCSZwE9f9cst4v6h5vCrQmJE' });
await sotezKey.ready;
console.log(sotezKey.publicKeyHash());

张照片: tz1Xv78KMT7cHyVDLi9RmQP1KuWULHDafZdK

In NodeJS it is also possible to do it using sotez:

import {Key} from 'sotez';

const sotezKey = new Key({ key: 'edpktx799pgw7M4z8551URER52VcENNCSZwE9f9cst4v6h5vCrQmJE' });
await sotezKey.ready;
console.log(sotezKey.publicKeyHash());

prints: tz1Xv78KMT7cHyVDLi9RmQP1KuWULHDafZdK

原文
K SS