title: Unable to load Private Key. (PEM routines:PEM_read_bio:no start line:pem_lib.c:648:Expecting: ANY PRIVATE KEY)
body: <p>I have a .key file which is PEM formatted private key file. I didn't make this file but I got this from somewhere.</p>
  
  <p>I wanted to see its MD5 hash with openssl tool like below command.</p>
  
  <pre><code>openssl rsa -in server.key -modulus -noout
  </code></pre>
  
  <p>But this generates below error.</p>
  
  <pre><code>unable to load Private Key
  13440:error:0906D06C:PEM routines:PEM_read_bio:no start line:.\crypto\pem\pem_lib.c:648:Expecting: ANY PRIVATE KEY
  </code></pre>
  
  <p>Here's some asn1parse of the .key file.</p>
  
  <pre><code>openssl asn1parse -in server.key
  0:d=0  hl=4 l= 603 cons: SEQUENCE
  4:d=1  hl=2 l=   1 prim: INTEGER           :00
  7:d=1  hl=3 l= 129 prim: INTEGER           :C141201603899993919CBAA56985E9C7
  C6A2AF713A02F5FE88D38CEFBED9304599689280B84B0AB577A9719CA20DDA1246A894AF397A2C57
  EE5A582B036CC367E3667454DCD82DBDBF187C35FE39F61C71B517DDDF576F5471B4EC2E045E0F9D
  619F5616C4E832F00CBD0DBF41B4BA3CBC4B4B603AE1FE61965917DA732E0DEF
  139:d=1  hl=2 l=   3 prim: INTEGER           :010001
  144:d=1  hl=3 l= 128 prim: INTEGER           :1687B9AE67562CEDEBDD7A531B84CDB7
  093CE138519B93C34B7F626076FF0A262B16EA71904ACB6251A39307C04ADE202055BA13DD9F1539
  6123EE408183361A9BC08B9413FA360EA928E48CC3F52B33ACF2980758F02BA2139F652F30A257C2
  2E45D7C25835FC4D22B9ECECC12AB632318D4F47E1EBDAD9781B96BCFF03A2D1
  
   ...
  </code></pre>
  
  <p>Is there anything more I can try?</p>