Datasheet

Table 14-4. DES Algorithm Type Configuration
ValueRegister/Bit Field/Programming ModelStep
-DES_KEY1_L[31:0] KEY1_LLoad key 1 LSW.
-DES_KEY1_H[31:0] KEY1_HLoad key 1 MSW.
0x0DES_CTRL[3] TDESSelect DES algorithm.
14.5.1.3 Subsequence - Configure the 3DES Algorithm Type
This subsequence details the 3DES algorithm type settings.
Table 14-5. 3DES Algorithm Type Configuration
ValueRegister/Bit Field/Programming ModelStep
-DES_KEY1_L[31:0] KEY1_LLoad key 1 LSW.
-DES_KEY1_H[31:0] KEY1_HLoad key 1 MSW.
-DES_KEY2_L[31:0] KEY2_LLoad key 2 LSW.
-DES_KEY2_H[31:0] KEY2_HLoad key 2 MSW.
-DES_KEY3_L[31:0] KEY3_LLoad key 3 LSW.
-DES_KEY3_H[31:0] KEY3_HLoad key 3 MSW.
0x1DES_CTRL[3] TDESSelect 3DES algorithm.
14.5.2 Operational Modes Configuration
14.5.2.1 Main Sequence - DES Polling Mode
Figure 14-5 on page 1045 shows DES polling mode. The registers used in DES polling mode are:
DES_DATA_L, DES_DATA_H, and DES_CTRL.
December 13, 20131044
Texas Instruments-Advance Information
Data Encryption Standard Accelerator (DES)