Analog Devices ADSP-SC58 Series Hardware Reference Manual page 3089

Configuring Operations in the PKTE
The operation (cipher, hash function, and others) that the PKTE performs is configured primarily in the
PKTE_SA_CMD0 register. The following sections include a series of tables to help configure the least significant 16
bits of the PKTE_SA_CMD0
• The operation code field (PKTE_SA_CMD0.OPCD)
• The direction field (PKTE_SA_CMD0.DIR)
• The operation group field (PKTE_SA_CMD0.OPGRP)
• The padding type (PKTE_SA_CMD0.PADTYPE)
• The cipher selection (PKTE_SA_CMD0.CIPHER)
• The hash selection (PKTE_SA_CMD0.HASH)
Basic Operations and Decoding
Table 44-25: Basic Operation Decoding
OpGroup Dir
0b00 0
0b00 0
0b00 0
0b00 0
0b00 0
0b00 0
Table 44-26: Protocol Operation Decoding
OpGroup Dir
0b01 0
0b01 0
0b01 0
0b01 0
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
register. These fields include:
Outbound
OpCode Operation
0b000 Encrypt
0b001 Encrypt - Hash 0b00
0b010 Reserved
0b011 Hash
0b100... Reserved
0b110
0b111 PRNG
Outbound
OpCode Operation
0b000 ESP Outbound 0b01
0b001... Reserved
0b011
0b100 Basic SSL Out-
bound
0b101 Basic TLS Out-
bound
OpGroup Dir
0b00 1
1
0b00 1
0b00 1
0b00 1
0b00 1
OpGroup Dir
1
0b01 1
0b01 1
0b01 1
PKTE Programming Concepts
Inbound
OpCode Operation
0b000 Decrypt
0b001 Hash - Decrypt
0b010 Reserved
0b011 Hash
0b100... Reserved
0b110
0b111 Reserved
Inbound
OpCode Operation
0b000 ESP Inbound
0b001 Reserved
0b010 Basic SSL In-
bound
0b011 Basic TLS In-
bound
44–41