oauth SignatureException: Signature length not correct

[atomchyshyn]

Hi, I trying to make OAuth authorization in my PHP app, but I getting following error

JIRA throws an exception when trying to request token 

request headers are:

[

  [Connection] => close

  [Accept-Encoding] => gzip, deflate  

  [User-Agent] => Zend\Http\Client

  [Content-Type] => application/x-www-form-urlencoded

  [Authorization] => OAuth realm="",oauth_consumer_key="key",oauth_nonce="4279f234a0fd4039d7d0309bb1995698",oauth_timestamp="1472486709",oauth_signature_method="RSA-SHA1",oauth_version="1.0",oauth_callback="oob",oauth_signature="%15%AC%BF1y%95%A6r%2F%D9%00%8E%5D%A8%87j%D2%D1%C6%27%0C%0Eg%8D%01v%22B%E1%EF%C8%60%CD%21%F0~%94%C5%8D%FAG%01%FA%EA%3A%24%D5%E7w9%EE%5C%24J%C4P%C0%9E%047%D5%97B%91%15%95%0CB%A6%D5bi~%15%AC%F1%B4t%93%A2%A11%0D%91%9E%E65D%BF%1F%D7%2B%EEV%403u%1E%C3%86%0Ap%EC%18%3A%92A%E6%EDA%9C%87%D5%DFT%E4q%FEl%95S%F4W%14K%A1%19%88"

]

response http code 500

and text of exception is:

net.oauth.OAuthException: java.security.SignatureException: Signature length not correct: got 15 but was expecting 128

could somone tell what is wrong here?

thx.

[Robin Krom · Accepted solution]

You should encode your signature as Base64, your signature is in bytes and it stops at the %00 (0 byte, is string end)