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The signing algorithm for the leaf certificate must match the signing key's type (from keybox or attestation key), not the subject key's algorithm. An EC attestation key signing an RSA subject key's certificate would previously select SHA256withRSA (wrong) instead of SHA256withECDSA, producing an invalid or failing certificate.
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Also fixed independently in fork: Enginex0@b23faed |
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The signing algorithm for the leaf certificate must match the signing key's type (from keybox or attestation key), not the subject key's algorithm.
An EC attestation key signing an RSA subject key's certificate would previously select SHA256withRSA (wrong) instead of SHA256withECDSA, producing an invalid or failing certificate.