RSA Security manual A p t e r 2 a l g o r i t h m I n f o Ty p e s 195

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AI_RC4WithMAC_BER

called after B_EncryptFinal. To begin an encryption operation for a new data block, you must call B_EncryptInit and supply a new key.

Algorithm methods to include in application’s algorithm chooser:

AM_RC4_WITH_MAC_ENCRYPT for encryption or AM_RC4_WITH_MAC_DECRYPT for decryption.

Key info types for keyObject in B_EncryptInit or B_DecryptInit:

KI_Item that gives the address and length of the RC4 key.

Compatible representation:

AI_RC4WithMAC.

Output considerations:

The total number of output bytes from encryption will be macLen bytes more than the input.

C h a p t e r 2 A l g o r i t h m I n f o Ty p e s

195

Page 205
Image 205
RSA Security manual A p t e r 2 a l g o r i t h m I n f o Ty p e s 195