[erlang-questions] crypto rsa encryption

Sergei Fomin <>
Fri Oct 29 17:52:10 CEST 2010


It really works.
Thank you.

--
Sergei Fomin

 wrote:
>> Hello.
>>
>> I'm trying to get rsa encryption with crypto module. With PKCS1 padding
>> scheme it works ok, but 'rsa_no_padding' option makes
>> crypto:rsa_public_encrypt to raise:
>> ** exception error: encrypt_failed.
>>
>> My system:
>> otp: R13B03, R13B04, R14B
>> Ubuntu 9.10
>> OpenSSL 0.9.8g 19 Oct 2007
>>
>> Any ideas what the problem is?
>>
>> --
>> Sergei Fomin
>>
> 
> Hi Sergei
> 
> With RSA_NO_PADDING the size of your input needs to be exactly the same
> size as your RSA key, otherwise you need to add padding yourself.
> 
> Regards,
> Trevor
> 
> 
> 


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