[Openid-specs-ab] Issue #1294: Key Material Proof of Possession (openid/connect)

[Edmund Jay]

New issue 1294: Key Material Proof of Possession
https://bitbucket.org/openid/connect/issues/1294/key-material-proof-of-possession

Edmund Jay:

Comments from TL regarding for PR[~~#39~~](https://bitbucket.org/openid/connect/issues/39/discovey-7-should-issuer-be-in-the)

How is proof of possession of key material implemented?