Hello! Please, can you explain me this formula : cmac = aes128_cmac(NwkSKey, B0 | msg)
in paragraph 4.4 ?
B0 | msg <- it's a boolean logical OR between two byte arrays ?
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Parse data
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Hello! Please, can you explain me this formula : cmac = aes128_cmac(NwkSKey, B0 | msg)
in paragraph 4.4 ?
B0 | msg <- it's a boolean logical OR between two byte arrays ?