diff options
Diffstat (limited to 'src/libcamera/ipa_module.cpp')
| -rw-r--r-- | src/libcamera/ipa_module.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/libcamera/ipa_module.cpp b/src/libcamera/ipa_module.cpp index 5b6af15f..51b238a6 100644 --- a/src/libcamera/ipa_module.cpp +++ b/src/libcamera/ipa_module.cpp @@ -308,6 +308,20 @@ int IPAModule::loadIPAModuleInfo() return -EINVAL; } + /* Load the signature. Failures are not fatal. */ + File sign{ libPath_ + ".sign" }; + if (!sign.open(File::ReadOnly)) { + LOG(IPAModule, Debug) + << "IPA module " << libPath_ << " is not signed"; + return 0; + } + + data = sign.map(0, -1, File::MapPrivate); + signature_.resize(data.size()); + memcpy(signature_.data(), data.data(), data.size()); + + LOG(IPAModule, Debug) << "IPA module " << libPath_ << " is signed"; + return 0; } @@ -340,6 +354,21 @@ const struct IPAModuleInfo &IPAModule::info() const } /** + * \brief Retrieve the IPA module signature + * + * The IPA module signature is stored alongside the IPA module in a file with a + * '.sign' suffix, and is loaded when the IPAModule instance is created. This + * function returns the signature without verifying it. If the signature is + * missing, the returned vector will be empty. + * + * \return The IPA module signature + */ +const std::vector<uint8_t> IPAModule::signature() const +{ + return signature_; +} + +/** * \brief Retrieve the IPA module path * * The IPA module path is the file name and path of the IPA module shared |