Hi Vadim I should have been more specific. I know it is modulus and public exponent, but what I'm looking for is some OpenSSL function to load this key into a EVP_PKEY structure.
Any ideas? Thanks, Kim -----Oprindelig meddelelse----- Fra: Vadim Fedukovich [mailto:[EMAIL PROTECTED]] Sendt: 29. maj 2002 17:03 Til: OpenSSL Users Emne: Re: Format of RSA public key ? hi Kim, On Wed, 29 May 2002, Hellan,Kim KHE wrote: > Hi > > When I use OpenSSL to extract 1024 bit RSA public keys to a binary file, I get a 162 >byte file with the following ASN.1 structure: > > 0:d=0 hl=3 l= 159 cons: SEQUENCE > 3:d=1 hl=2 l= 13 cons: SEQUENCE > 5:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption > 16:d=2 hl=2 l= 0 prim: NULL > 18:d=1 hl=3 l= 141 prim: BIT STRING > > These public keys can easily be loaded in OpenSSL. > > I now have to support some 1024 RSA public keys with a different structure. The >binary blob containing the public key is only 140 bytes and the ASN.1 structure looks >like this: > > 0:d=0 hl=3 l= 137 cons: SEQUENCE > 3:d=1 hl=3 l= 129 prim: INTEGER >:800000000000000000000000000000622FB09CAD2A75E84A00E2613FF1B52ED2382C6274E45364C140FE6639F437E07A135D824D99FEAE0C8BBF1782960AA9FF38C67373C41BD8DDB341754F78823BC3321581D5EF5349F5DAAD46B3B954CA9742280528DAABFC7B23229AF04FFDBE733E0AE310C3466224FC1A9628FF14F6ED this is modulus > 135:d=1 hl=2 l= 3 prim: INTEGER :010001 ..and public exponent good luck, Vadim > > Does anyone know how to handle this "format" in OpenSSL. How do I load these public >keys ? > > Thanks, > Kim Hellan > KMD / KMD-CA > http://www.kmd-ca.dk > Mailto:[EMAIL PROTECTED] > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List [EMAIL PROTECTED] > Automated List Manager [EMAIL PROTECTED] > ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED] ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
