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Cdm to expose GetDeviceInformation() and GetDeviceSignedCsrPayload()

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GetDeviceInformation() and GetDeviceSignedCsrPayload() are added to
cdm_engine and crypto_session, so that they can be queried by DRM
plugin. This is to allow the wv drm HAL to be able to extract BCC and
CSR payload to build CSR for prov 4 device registration, such that we
don't need a separate RKP HAL to do this job.

Changes to the DRM plugin to use the exposed methods will be in the
coming CL.

Bug: 286556950
Test: request_license_test
Merged from https://widevine-internal-review.googlesource.com/178890

Merged from https://widevine-internal-review.googlesource.com/179730

Change-Id: Ibafa3a58c99fbb8f1f25f8951d3749110bd32176
This commit is contained in:
Cong Lin
2023-07-19 11:17:12 -07:00
committed by Robert Shih
parent c600ccb741
commit 30669a7b67
9 changed files with 179 additions and 7 deletions
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7
libwvdrmengine/cdm/core/include/crypto_session.h
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@@ -196,6 +196,13 @@ class CryptoSession {
std::string* additional_signature);
virtual CdmResponseType GetBootCertificateChain(
std::string* bcc, std::string* additional_signature);
virtual CdmResponseType GetDeviceInformation(
RequestedSecurityLevel requested_security_level,
std::string* device_info);
virtual CdmResponseType GetDeviceSignedCsrPayload(
RequestedSecurityLevel requested_security_level,
const std::string& challenge, const std::string& device_info,
std::string* signed_csr_payload);
virtual CdmResponseType GenerateCertificateKeyPair(
std::string* public_key, std::string* public_key_signature,
std::string* wrapped_private_key, CryptoWrappedKey::Type* key_type);