Fix RSA signature ASN.1 parsing bug #1728
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Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
Signed-off-by: Meredith Lancaster <malancas@github.com>
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Summary
The Azure signer was encoding both ECDSA and RSA signatures with ASN.1. The RSA verifier in Cosign does not expect RSA signatures to be ASN.1 encoded, so the signatures returned by the Azure signer would fail verification against Cosign when used with a local public key.
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Documentation