SSlibKey: make '_from_crypto_public_key' public API and remove 'from_pem' #678
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Allows more use cases, e.g. create SSlibKey - from pyca/crypto private key (see CryptoSigner), or - from some serialization format, supported by pyca/crypto (see SSlibKey.from_pem) The commit adds tests to check if the interface correctly raises UnsupportedLibraryError if pyca/cryptography is not installed. Functionality is tested implicitly via SSlibKey.from_pem. Signed-off-by: Lukas Puehringer <[email protected]>
The more flexible SSLibKey.from_crypto can be used instead. The additional call to pyca/crypto's "from pem" method can easily be done in application code. This commit updates tests and docs to use from_crypto instead. Signed-off-by: Lukas Puehringer <[email protected]>
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blocks on: - in-toto#649, and - secure-systems-lab/securesystemslib#678 + release --- This is meant as replacement for `--layout-keys`, supporting a consistent standard key file format (subjectPublicKeyInfo/pem). It is part of a series of patches to prepare for deprecation of legacy securesystemslib interfaces and key file formats. **Change details** Adds helper to load public key file as SSlibKey and uses it in in-toto-verify for keys passed with --subjectPublicKeyInfo. NOTE: uses unreleased securesystemslib API, which **blocks** this PR. SSlibKey is converted to its dictionary representation with the keyid included, to make it compatible with verifylib.in_toto_verify. In the future we might want to support Key (SSlibKey's base class) natively in in_toto_verify. This PR also adds a deprecation warning for --layout-keys and tests using the demo supply chain. Test public key files come from secure-systems-lab/securesystemslib#604. Signed-off-by: Lukas Puehringer <[email protected]>
lukpueh
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Nov 23, 2023
blocks on: - in-toto#649, and - secure-systems-lab/securesystemslib#678 + release --- This is meant as replacement for `--layout-keys`, supporting a consistent standard key file format (subjectPublicKeyInfo/pem). It is part of a series of patches to prepare for deprecation of legacy securesystemslib interfaces and key file formats. **Change details** Adds helper to load public key file as SSlibKey and uses it in in-toto-verify for keys passed with --subjectPublicKeyInfo. NOTE: uses unreleased securesystemslib API, which **blocks** this PR. SSlibKey is converted to its dictionary representation with the keyid included, to make it compatible with verifylib.in_toto_verify. In the future we might want to support Key (SSlibKey's base class) natively in in_toto_verify. This PR also adds a deprecation warning for --layout-keys and tests using the demo supply chain. Test public key files come from secure-systems-lab/securesystemslib#604. Signed-off-by: Lukas Puehringer <[email protected]>
lukpueh
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Nov 24, 2023
blocks on: - in-toto#649, and - secure-systems-lab/securesystemslib#678 + release --- This is meant as replacement for `--layout-keys`, supporting a consistent standard key file format (subjectPublicKeyInfo/pem). It is part of a series of patches to prepare for deprecation of legacy securesystemslib interfaces and key file formats. **Change details** Adds helper to load public key file as SSlibKey and uses it in in-toto-verify for keys passed with --subjectPublicKeyInfo. NOTE: uses unreleased securesystemslib API, which **blocks** this PR. SSlibKey is converted to its dictionary representation with the keyid included, to make it compatible with verifylib.in_toto_verify. In the future we might want to support Key (SSlibKey's base class) natively in in_toto_verify. This PR also adds a deprecation warning for --layout-keys and tests using the demo supply chain. Test public key files come from secure-systems-lab/securesystemslib#604. Signed-off-by: Lukas Puehringer <[email protected]>
lukpueh
added a commit
to lukpueh/in-toto
that referenced
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Nov 24, 2023
blocks on: - in-toto#649, and - secure-systems-lab/securesystemslib#678 + release --- This is meant as replacement for `--layout-keys`, supporting a consistent standard key file format (subjectPublicKeyInfo/pem). It is part of a series of patches to prepare for deprecation of legacy securesystemslib interfaces and key file formats. **Change details** Adds helper to load public key file as SSlibKey and convert it to its dictionary representation with the keyid included, to make it compatible with verifylib.in_toto_verify. in-toto-verify uses this for keys passed with --subjectPublicKeyInfo. NOTE: requires unreleased securesystemslib API, which **blocks** this PR. In the future we might want to support Key (SSlibKey's base class) natively in in_toto_verify. This PR also adds a deprecation warning for --layout-keys and tests using the demo supply chain. Test public key files come from secure-systems-lab/securesystemslib#604. Signed-off-by: Lukas Puehringer <[email protected]>
lukpueh
added a commit
to lukpueh/in-toto
that referenced
this pull request
Nov 24, 2023
blocks on: - in-toto#649, and - secure-systems-lab/securesystemslib#678 + release --- This is meant as replacement for `--layout-keys`, supporting a consistent standard key file format (subjectPublicKeyInfo/pem). It is part of a series of patches to prepare for deprecation of legacy securesystemslib interfaces and key file formats. **Change details** Adds helper to load public key file as SSlibKey and convert it to its dictionary representation with the keyid included, to make it compatible with verifylib.in_toto_verify. in-toto-verify uses this for keys passed with --subjectPublicKeyInfo. NOTE: requires unreleased securesystemslib API, which **blocks** this PR. In the future we might want to support Key (SSlibKey's base class) natively in in_toto_verify. This PR also adds a deprecation warning for --layout-keys and tests using the demo supply chain. Test public key files come from secure-systems-lab/securesystemslib#604. Signed-off-by: Lukas Puehringer <[email protected]>
adityasaky
approved these changes
Nov 28, 2023
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Fixes #616
This newly public SSlibKey factory allows more flexible usage than the existing
from_pem, which was just a thin wrapper on top of it.Additional use cases are creating a key from an pyca/crypto private key object (see CryptoSigner) or from a different serialization format than PEM.
To keep the API small, this PR removes
from_pem. It seems reasonable to just have application code callpyca/cryptography's "from pem" function themselves.