Unable To Use HS256 To Sign OAUTH Access Token In Oracle Access Manager 11g R2PS3 (OAM 188.8.131.52) / Oracle Access Manager 12c PS3 (OAM 184.108.40.206)
(Doc ID 2432365.1)
Last updated on OCTOBER 29, 2019
Applies to:Oracle Access Manager - Version 220.127.116.11.0 and later
Information in this document applies to any platform.
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The customer use R2PS3 OAuth and wants to use HS256 to sign the access token instead of the default RS512 cryptoscheme.
This is related to (from OAM Console) Launch Pad > Mobile security > Mobile OAuth Services > DefaultDomain > Device Profiles > OAuthServiceProfile > Attributes > jwt.CryptoScheme > here try to use HS256.
With HS256 the token will be generated successful but can't be validated.
In OAM managed server diagnostic log there is during validation attempt:
Change from RS512 cryptoscheme to HS256.
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