Figure 220. Des/Tdes-Cbc Mode Encryption - STMicroelectronics STM32F405 Reference Manual

Advanced arm-based 32-bit mcus
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Cryptographic processor (CRYP)
RM0090

Figure 220. DES/TDES-CBC mode encryption

1. K: key; C: cipher text; I: input block; O: output block; Ps: plain text before swapping (when decoding) or
after swapping (when encoding); P: plain text; IV: initialization vectors.
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DocID018909 Rev 11

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