barbican/releasenotes/notes/fix-story-2004833-2b420688a82c3328.yaml
Alexander Gräb b7da1f771c Made HMAC Key Wrap mechanism configurable
Introduced the parameter 'hmac_keywrap_mechanism' in group
'[p11_crypto_plugin]' in Barbican config. The default value, which were
hard coded before, is 'CKM_SHA256_HMAC'. This defines the machanism used
to compute the HMAC from an wrapped PKEK. However with Utimaco HSMs this
leads to an CKR_MECHANISM_INVALID error. Therefore for Utimaco HSMs
'hmac_keywrap_mechanism' has to be changed to 'CKM_AES_MAC'.

Change-Id: I53537a96bc4b2acb30be5fa85e10bac89917851f
Story: 2004833
Task: 29027
2019-03-07 14:24:33 -05:00

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YAML

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fixes:
- |
Fixed Story #2004734: Added a new option 'hmac_keywrap_mechanism' to make
the mechanism used to calculate a HMAC from an wrapped PKEK configurable.
This was introduced because of an problem with Utimaco HSMs which throw an
'CKR_MECHANISM_INVALID' error, e.g. when a new PKEK is generated. For
Utimaco HSMs, 'hmac_keywrap_mechanism' should be set to 'CKM_AES_MAC' in
barbican.conf.