| Cryptographic Token Interface Standard | 
 PKCS#11  | 
Data Fields | |
| CK_BYTE | major | 
| major version number (the integer portion of the version). More... | |
| CK_BYTE | minor | 
| minor version number (the hundredths portion of the version). More... | |
| major | major version number (the integer portion of the version) | 
| minor | minor version number (the hundredths portion of the version) | 
For version 1.0, major = 1 and minor = For version 2.1, major = 2 and minor = 10. Minor revisions of the Cryptoki standard are always upwardly compatible within the same major version number.
      
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 major version number (the integer portion of the version).  | 
  
      
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 minor version number (the hundredths portion of the version).  |