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MAC tag is not valid #29

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chazy-chaz opened this issue Aug 7, 2023 · 1 comment

chazy-chaz commented Aug 7, 2023

Hi,

when decrypting firmware above ilo5 2.78, it gives an error:
[x] decrypt_and_verify failed? MAC tag is not valid,

Bart97 commented May 25, 2024

Same here, on iLO5 2.96:

[+] input file: "ilo5_296.bin"
[+] skipping HP Signed File fingerprint (2082 bytes)
[+] loading RSA pem ("rsa_private_key_ilo5.asc")
> key size: 4096
[+] aes key material
> aes key: cf887bfdf6bc1e8ff4f83bfbc5dc00c3400ef47e481e5df519cd0268061ed8a9e04260894cb668142e4c0d571e767e
> aes iv: 9320eb9b5f031a777fcbcd2b
--

[+] decrypting
[x] decrypt_and_verify failed? MAC tag is not valid,

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