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UM1759 датащи(PDF) 33 Page - STMicroelectronics

номер детали UM1759
подробное описание детали  Wireless M-Bus firmware and application
PDF  50 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1759 датащи(HTML) 33 Page - STMicroelectronics

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UM1759
Wireless M-Bus firmware APIs
50
Table 46. WM-Bus encrypts PDU routine
Name
encrypt_pdu
Parameters
u32 *exp_key : expended key address
unsigned char * plain: input plain data address
int len: length
unsigned char * cipher: output cipher data address
Description
This routine Encrypts the incoming stream
Return type
None
Table 47. WM-Bus encrypts PDU CBC routine
Name
encrypt_pdu_cbc
Parameters
u32 *exp_key : expended key address
unsigned char * plain: input plain data address
int len: length
unsigned char * cipher: output cipher data address
Description
Encrypts the incoming stream using AES-CBC algorithm
Return type
None
Table 48. WM-Bus decrypts PDU CBC routine
Name
decrypt_pdu_cbc
Parameters
u32 *exp_key : expended key address
unsigned char * cipher: output cipher data address
int len: length
unsigned char * plain: input plain data address
Description
Decrypts the incoming stream
Return type
None
Table 49. WM-Bus application encryption routine
Name
WMBus_AppliEncrypt
Parameters
u32 *exp_key : expended key address
unsigned char * plain: input plain data address
int len: length
unsigned char * cipher: output cipher data address
Description
This routine does key expansion before encryption starts
Return type
None



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