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ST STM32F405 User Manual

ST STM32F405
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RM0090 Rev 18 725/1749
RM0090 Cryptographic processor (CRYP)
766
Figure 218. DES/TDES-ECB mode encryption
1. K: key; C: cipher text; I: input block; O: output block; P: plain text.
Figure 219. DES/TDES-ECB mode decryption
1. K: key; C: cipher text; I: input block; O: output block; P: plain text.
IN FIFO
DEA, encrypt
K1
P, 64 bits
DEA, decrypt
K2
DEA, encrypt
K3
OUT FIFO
plaintext P
ciphertext C
64
64
64
swapping
O, 64 bits
C, 64 bits
swapping
DATATYPE
DATATYPE
ai16069b
IN FIFO
C, 64 bits
OUT FIFO
ciphertext C
plaintext P
DEA, decrypt
K3
DEA, encrypt
K2
DEA, decrypt
K1
64
64
64
I, 64 bits
swapping
O, 64 bits
DATATYPE
DATATYPE
P, 64 bits
swapping
MS19021V1

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ST STM32F405 Specifications

General IconGeneral
BrandST
ModelSTM32F405
CategoryComputer Hardware
LanguageEnglish

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