[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Google Certificate Authority Service V1 Client - Class KeyUsage (2.1.1)\n\nVersion latestkeyboard_arrow_down\n\n- [2.1.1 (latest)](/php/docs/reference/cloud-security-private-ca/latest/V1.KeyUsage)\n- [2.1.0](/php/docs/reference/cloud-security-private-ca/2.1.0/V1.KeyUsage)\n- [2.0.3](/php/docs/reference/cloud-security-private-ca/2.0.3/V1.KeyUsage)\n- [1.7.3](/php/docs/reference/cloud-security-private-ca/1.7.3/V1.KeyUsage)\n- [1.5.0](/php/docs/reference/cloud-security-private-ca/1.5.0/V1.KeyUsage)\n- [1.4.2](/php/docs/reference/cloud-security-private-ca/1.4.2/V1.KeyUsage)\n- [1.3.1](/php/docs/reference/cloud-security-private-ca/1.3.1/V1.KeyUsage)\n- [1.2.2](/php/docs/reference/cloud-security-private-ca/1.2.2/V1.KeyUsage)\n- [1.1.0](/php/docs/reference/cloud-security-private-ca/1.1.0/V1.KeyUsage)\n- [1.0.3](/php/docs/reference/cloud-security-private-ca/1.0.3/V1.KeyUsage) \nReference documentation and code samples for the Google Certificate Authority Service V1 Client class KeyUsage.\n\nA [KeyUsage](/php/docs/reference/cloud-security-private-ca/latest/V1.KeyUsage) describes key usage\nvalues that may appear in an X.509 certificate.\n\nGenerated from protobuf message `google.cloud.security.privateca.v1.KeyUsage`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ Security \\\\ PrivateCA \\\\ V1\n\nMethods\n-------\n\n### __construct\n\nConstructor.\n\n### getBaseKeyUsage\n\nDescribes high-level ways in which a key may be used.\n\n### hasBaseKeyUsage\n\n### clearBaseKeyUsage\n\n### setBaseKeyUsage\n\nDescribes high-level ways in which a key may be used.\n\n### getExtendedKeyUsage\n\nDetailed scenarios in which a key may be used.\n\n### hasExtendedKeyUsage\n\n### clearExtendedKeyUsage\n\n### setExtendedKeyUsage\n\nDetailed scenarios in which a key may be used.\n\n### getUnknownExtendedKeyUsages\n\nUsed to describe extended key usages that are not listed in the\n[KeyUsage.ExtendedKeyUsageOptions](/php/docs/reference/cloud-security-private-ca/latest/V1.KeyUsage.ExtendedKeyUsageOptions)\nmessage.\n\n### setUnknownExtendedKeyUsages\n\nUsed to describe extended key usages that are not listed in the\n[KeyUsage.ExtendedKeyUsageOptions](/php/docs/reference/cloud-security-private-ca/latest/V1.KeyUsage.ExtendedKeyUsageOptions)\nmessage."]]
