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Bug #11774

Updated by nobu (Nobuyoshi Nakada) almost 4 years ago

If we try to read out an RSA encrypted key with an invalid passphrase like so:

```ruby

```
require 'openssl'
OpenSSL::PKey.read(File.read("#{ENV['HOME']}/.ssh/id_rsa"), 'invalid')
```
We get an argument error:


```
ArgumentError: Could not parse PKey: no start line
from (pry):6:in `read'
```
However, if I understand the situation correctly, it should produce a decode error: `OpenSSL::PKey::RSAError`, as per the doc:
> ```
OpenSSL::PKey::RSAError
Generic exception that is raised if an operation on an RSA PKey fails unexpectedly or in case an instantiation of an instance of RSA fails due to non-conformant input data.
```


Reproduction:

1.

1)
Create a password protected ssh key (if none exists):

```

ssh-keygen -t rsa -b 4096
```

2.

2)
Run the following snippet (assuming ~/.ssh/id_rsa is the key location)

```ruby

```
require 'openssl'



OpenSSL::PKey.read(File.read("#{ENV['HOME']}/.ssh/id_rsa"), 'invalid_passphrase')

```


Tested on:
MacOSX 10.11.1
OpenSSL 1.0.2d 9 Jul 2015
Ruby 2.1.7
Ruby 2.2.3

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