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ubuntu 22.04 CI Failing #825

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williamcroberts opened this issue Feb 27, 2023 · 1 comment
Open

ubuntu 22.04 CI Failing #825

williamcroberts opened this issue Feb 27, 2023 · 1 comment

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@williamcroberts
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After much debugging, I have deduced it to something wrong with swtpm. When running against ibmtpm1682, the problem does not manifest. I guess now I need to figure out what broke in swtpm.
@williamcroberts
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With SWTPM this command sequence with EncryptDecrypt2 yeilds the problem:

Sending each chunk to the TPM
PLAINTEXT:  0102030405060708090a0b0c0d0e0f10  1112131415161718191a1b1c1d1e1f20 2122232425262728292a2b2c2d2e2f30
CIPHERTEXT: 52a99bdf57784917c71d1259667618bc  48bd58f674c975deb69feaeeb613015e 2ce1d66fc819052f08d84b9dddbcf83e
             
-----------
Decrypting, note the last chunk is wrong.
CIPHERTEXT: 52a99bdf57784917c71d1259667618bc  48bd58f674c975deb69feaeeb613015e 2ce1d66fc819052f08d84b9dddbcf83e
PLAINTEXT:  0102030405060708090a0b0c0d0e0f10  1112131415161718191a1b1c1d1e1f20 b732c53d8f42ec1941187f2d45909081

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@williamcroberts