SecurityTests/clxutils/ocspTool/ocspUtils.cpp

   1 #include <ctype.h>
   2 #include <strings.h>
   3 #include "ocspUtils.h"
   4 #include <utilLib/cspwrap.h>
   5 #include <Security/SecKey.h>
   6 #include <Security/SecKeyPriv.h>
   7
   8
   9 /*
  10  * Sign some data with an identity.
  11  */
  12 OSStatus ocspSign(
  13         SecIdentityRef idRef,
  14         CSSM_DATA &plainText,
  15         CSSM_ALGORITHMS algId,          // RSA/SHA1, DSA/SHA1
  16         CSSM_DATA &sig)                         // caller must APP_FREE()
  17 {
  18         const CSSM_KEY *privCssmKey;
  19         OSStatus ortn;
  20         SecKeyRef privKeyRef;
  21         CSSM_CSP_HANDLE cspHand;
  22         CSSM_RETURN crtn;
  23
  24         ortn = SecIdentityCopyPrivateKey(idRef, &privKeyRef);
  25         if(ortn) {
  26                 cssmPerror("SecIdentityCopyPrivateKey", ortn);
  27                 return ortn;
  28         }
  29         ortn = SecKeyGetCSSMKey(privKeyRef, &privCssmKey);
  30         if(ortn) {
  31                 cssmPerror("SecKeyGetCSSMKey", ortn);
  32                 goto errOut;
  33         }
  34         ortn = SecKeyGetCSPHandle(privKeyRef, &cspHand);
  35         if(ortn) {
  36                 cssmPerror("SecKeyGetCSPHandle", ortn);
  37                 goto errOut;
  38         }
  39         sig.Data = NULL;
  40         sig.Length = 0;
  41         crtn = cspSign(cspHand, algId, (CSSM_KEY_PTR)privCssmKey,
  42                 &plainText, &sig);
  43         if(crtn) {
  44                 cssmPerror("cspSign", crtn);
  45                 ortn = crtn;
  46         }
  47 errOut:
  48         CFRelease(privKeyRef);
  49         return ortn;
  50 }