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5812-DS00-R Folha de dados(PDF) 13 Page - Broadcom Corporation.

Nome de Peças 5812-DS00-R
Descrição Electrónicos  Security Processor
PDF  84 Pages
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Fabricante Electrônico  BOARDCOM [Broadcom Corporation.]
Página de início  http://www.broadcom.com
Logo BOARDCOM - Broadcom Corporation.

5812-DS00-R Folha de dados(HTML) 13 Page - Broadcom Corporation.

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Advance Data Sheet
BCM5812
3/11/03
B roa dcom Co rpo rat ion
Document
5812-DS01-405-R
Cryptographic Operations
Page 5
CRYPTOGRAPHIC OPERATIONS
Each cryptographic operation performed by the BCM5812 is described in terms of its command context and how it uses input
and output buffer fragment lists. Table 3 lists the operations performed by the BCM5812. Operation type codes depend upon
whether the command context is programmed using MCR1@ or MCR2@. Subsequent sections describe the command
context for each operation in detail.
15:0
Number of Packets (unchanged from input)
Table 3: Operation Types
OPCODE
MCR1@ (Symmetric Operations)
MCR2@ (Asymmetric Operations)
0x00
IPsec 3DES/DES combined
encryption with authentication
Reserved
0x01
SSL MAC
authenticator calculation
Diffie-Hellman public key
generation
0x02
TLS HMAC
authenticator calculation
Diffie-Hellman shared key
generation
0x03
3DES/DES encryption
(for SSL and TLS)
RSA public key
operation
0x04
ARCFOUR encipherment
(for SSL and TLS)
RSA secret key
operation
0x05
Hash (Pure MD5 or SHA-1)
DSA signing
operation
0x06
Reserved
DSA verification
operation
0x40
IPsec AES combined
encryption with authentication
Reserved
0x41
Reserved
RNG direct
0x42
Reserved
RNG SHA-1
0x43
Reserved
Modular Addition
0x44
Reserved
Modular Subtraction
0x45
Reserved
Modular Multiplication
0x46
Reserved
Modular Reduction
0x47
Reserved
Modular Exponentiation
0x48
Reserved
Reserved
0x49
Reserved
Double Modular Exponentiation
Table 2: MCR Header Word (Output) (Cont.)
Bits
Description



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