# Match Private and Public Keys using Regular Expressions

1. [Ethereum (ETH)](#ethereum)
2. [Bitcoin (BTC)](#bitcoin)
3. [Monero (XMR)](#monero)
4. [PuTTY SSH RSA Key](#putty-ssh-rsa-key)
5. [PuTTY SSH DSA Key](#putty-ssh-dsa-key)
6. [ECDSA Private Key](#ecdsa-private-key)
7. [SSL Certificate](#ssl-certificate)
8. [John the Ripper](#john-the-ripper)
9. [Password etc passwd](#password-etc-passwd)
10. [Password etc shadow](#password-etc-shadow)
11. [JWK](#jwk)
12. [PGP Private](#pgp-private)
13. [SSH DDS Public](#ssh-dds-public)
14. [SSH RSA Public](#ssh-rsa-public)
15. [PKCS7 Encrypted Data](#pkcs7-encrypted-data)
16. [PGP Header](#pgp-header)
17. [PGP Public](#pgp-public)

## Private Keys 🔐

### Ethereum (ETH)
```
/(^|\b)(0x)?[0-9a-fA-F]{64}(\b|$)/
```

### Bitcoin (BTC)
```
/^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$/g
```

### Monero (XMR)
```
/4[0-9AB][1-9A-HJ-NP-Za-km-z]{93}$/g
```

### PuTTY SSH RSA Key
```
/^PuTTY-User-Key-File-2: ssh-rsa\s*Encryption: none(?:.|\s?)*?Private-MAC:$/
```

### PuTTY SSH DSA Key
```
/^PuTTY-User-Key-File-2: ssh-dss\s*Encryption: none(?:.|\s?)*?Private-MAC:$/
```

### ECDSA Private Key
```
/^-----BEGIN ECDSA PRIVATE KEY-----\s.*,ENCRYPTED(?:.|\s)+?-----END ECDSA PRIVATE KEY-----$/
```

### SSL Certificate
```
/^-----BEGIN CERTIFICATE-----(?:.|\n)+?\s-----END CERTIFICATE-----$/
```

### John the Ripper
````
/^[J,j]ohn\ [T,t]he\ [R,r]ipper|john-[1-9].[1-9].[1-9]|Many\ salts:|Only\ one\ salt:|openwall.com/john/|List.External:[0-9a-zA-Z]*|Loaded\ [0-9]*\ password hash|guesses:\ \d*\ \ time:\ \d*:\d{2}:\d{2}:\d{2}|john\.pot$/
````

### Password etc passwd
```
/^[a-zA-Z0-9\-]+:[x|\*]:\d+:\d+:[a-zA-Z0-9/\- "]*:/[a-zA-Z0-9/\-]*:/[a-zA-Z0-9/\-]+$/
```

### Password etc shadow
```
/^[a-zA-Z0-9\-]+:(?:(?:!!?)|(?:\*LOCK\*?)|\*|(?:\*LCK\*?)|(?:\$.*\$.*\$.*?)?):\d*:\d*:\d*:\d*:\d*:\d*:$/
```

### JWK
```
/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/gm
```

### PGP Private
```
/^(-----BEGIN PGP PRIVATE KEY BLOCK-----).*([a-zA-Z0-9//\n\/\.\:\+\ \=]+).*(-----END PGP PRIVATE KEY BLOCK-----)$/
```


## Public Keys 🔑

### Ethereum Public (ETH)
```
/(^|\b)(0x)?[0-9a-fA-F]{64}(\b|$)/
```

### SSH DDS Public
```
/^ssh-dss [0-9A-Za-z+/]+[=]{2}$/
```

### SSH RSA Public
```
/^ssh-rsa AAAA[0-9A-Za-z+/]+[=]{0,3} [^@]+@[^@]+$/
```

### PKCS7 Encrypted Data
```
/^(?:Signer|Recipient)Info(?:s)?\ ::=\ \w+|[D|d]igest(?:Encryption)?Algorithm|EncryptedKey\ ::= \w+$/
```

### PGP Header
```
/^-{5}(?:BEGIN|END)\ PGP\ MESSAGE-{5}$/
```

### PGP Public
```
/^(-----BEGIN PGP PUBLIC KEY BLOCK-----).*([a-zA-Z0-9//\n\/\.\:\+\ \=]+).*(-----END PGP PUBLIC KEY BLOCK-----)$/
```