Cryptographic Token Interface Standard

PKCS#11

RC4 mechanism

RC4, denoted CKM_RC4, is a mechanism for single- and multiple-part encryption and decryption based on RSA Security's proprietary stream cipher RC4.

It does not have a parameter.

Constraints on key types and the length of input and output data are summarized in the following table: 




 Table 78, RC4: Key And Data Length   
Function Key type 

Input length

 

Output length

 

Comments

   


C_Encrypt RC4 

any

 

same as input length

 

no final part

   


C_Decrypt RC4 

any

 

same as input length

 

no final part

  

 



For this mechanism, the ulMinKeySize and ulMaxKeySize  fields of the CK_MECHANISM_INFO structure specify the supported range of RC4 key sizes, in bits.


 
 



RSA Security Inc. Public-Key Cryptography Standards - 
PKCS#11 - v220