/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/ is in libbcpg-java-doc 1.59-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcKeyFingerprintCalculator.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPBEDataDecryptorFactory.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPBEKeyEncryptionMethodGenerator.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPBESecretKeyDecryptorBuilder.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPBESecretKeyEncryptorBuilder.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPContentSignerBuilder.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPContentVerifierBuilderProvider.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPDataEncryptorBuilder.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPDigestCalculatorProvider.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPKeyConverter.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPGPKeyPair.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPublicKeyDataDecryptorFactory.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/BcPublicKeyKeyEncryptionMethodGenerator.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/package-frame.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/package-summary.html
/usr/share/doc/libbcpg-java/api/org/bouncycastle/openpgp/operator/bc/package-tree.html