MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 617

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

Specifications of MOD5234-100IR

• Interface: I²C, SPI, UART
• Voltage - Supply: 2.5V
• Mounting Type: Surface Mount
• Package / Case: Module
• Product: Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Format: -
• Baud Rates: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4483564

30.1.2.5 Counter (CTR) Cipher Mode
In counter mode, a random 128-bit initial counter value is incremented modulo 2
processed. The modulus size can be set between 2
The running counter is encrypted and XOR’d with the plaintext to derive the ciphertext, or with
the ciphertext to recover the plaintext as shown in
Freescale Semiconductor
Cipher 1
Plain 1
IV
Figure 30-7. CTR Mode Processing
Encrypt(k)
Encrypt(k)
Counter
Counter
Cipher 1
Plain 1
Decrypt(k)
Figure 30-6. CBC Decryption
Cipher 1
MCF5235 Reference Manual, Rev. 2
Plain 1
Cipher 2
Plain 2
Cipher 2
Decrypt(k)
Plain 2
Encrypt(k)
Counter+1
Encrypt(k)
Counter+1
8
Cipher 2
Plain 2
through 2
Figure
Cipher N
30-7.
...
Plain N
...
...
128
, by powers of 8 (SKMR[CTRM]).
Decrypt(k)
Counter + N-1
Plain N
Counter + N-1
Cipher N
Encrypt(k)
Encrypt(k)
Cipher N
Plain N
n
with each block
Introduction
30-5