Samsung S5PC110 Manual page 1998

S5PC110_UM
2.3.2.32 PKA Control (PKA_SFR0, R/W, Address = 0xEA00_7000)
PKA_SFR0
PREC_ID
Reserved
CHNK_SZ
Reserved
NOTE: Operand's bit length = (Chunk's size)*(Precision)
For example, (160-bits)*Single=160-bits, (512-bits)*Double=1024-bits, (512-bits)*Quadruple=2048-bits
Bit
Sets the precision.
[1:0]
00 = Single precision, that is, x1 [Default]
01 = Double precision, that is, x2
10 = Triple precision, that is, x3
11 = Quadruple precision, that is, x4
-
[2]
Sets the chunk size.
[6:3]
0000 = (don't use) [Default]
0001 = (don't use)
0010 = (don't use)
0011 = 128-bits
0100 = 160-bits
0101 = 192-bits
0110 = 224-bits
0111 = 256-bits
1000 = 288-bits
1001 = 320-bits
1010 = 352-bits
1011 = 384-bits
1100 = 416-bits
1101 = 448-bits
1110 = 480-bits
1111 = 512-bits
-
[31:7]
Description
2 ADVANCED CRYPTO ENGINE
R/W Initial State
00
-
0000
-
2-43