程序包 ohos.security.keystore

类 KeyStoreProtectionParameter.Builder

java.lang.Object

ohos.security.keystore.KeyStoreProtectionParameter.Builder

封闭类:

KeyStoreProtectionParameter

public static class KeyStoreProtectionParameter.Builder
extends Object

A static inner class of KeyGenAlgorithmParaSpec.

This class provides methods used to set key parameters and finally create a KeyGenAlgorithmParaSpec object.

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构造器概要

构造器

构造器	说明
Builder(int secKeyUsagePurposes)	A constructor used to create a KeyStoreProtectionParameter.Builder object.

方法概要

限定符和类型	方法	说明
KeyStoreProtectionParameter	createCustomProtection()	Creates a KeyStoreProtectionParameter object.
KeyStoreProtectionParameter.Builder	setSecKeyAccessibleAttr(int secKeyAccessibleAttr)	Sets the accessibility attribute set of a key.
KeyStoreProtectionParameter.Builder	setSecKeyAuthDuration(int secKeyAuthDuration)	Sets the validity period for user authentication with a key, in seconds.
KeyStoreProtectionParameter.Builder	setSecKeyCryptoAttrs(int type, String... parameters)	Sets the cryptographic attribute set of a key.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Builder

public Builder(int secKeyUsagePurposes)

A constructor used to create a KeyStoreProtectionParameter.Builder object.

参数:

secKeyUsagePurposes - Indicates the purposes of using the key, which can be KeyStoreConstants#PURPOSE_CAN_ENCRYPT, KeyStoreConstants#PURPOSE_CAN_DECRYPT, KeyStoreConstants#PURPOSE_CAN_SIGN, or KeyStoreConstants#PURPOSE_CAN_VERIFY.

从以下版本开始:

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方法详细资料

setSecKeyCryptoAttrs

public KeyStoreProtectionParameter.Builder setSecKeyCryptoAttrs(int type,
                                                                String... parameters)

Sets the cryptographic attribute set of a key.

A key-value set is used. The specific parameters depend on the value of type.

参数:

type - Indicates the parameter value ID, which can be KeyStoreConstants#CRYPTO_PARAMETER_DIGEST, KeyStoreConstants#CRYPTO_PARAMETER_ENCRYPT_PADDING, KeyStoreConstants#CRYPTO_PARAMETER_BLOCK_MODE, or KeyStoreConstants#CRYPTO_PARAMETER_SIGNATURE_PADDING.

parameters - Indicates the parameter set.

返回:

Returns the Builder object.

从以下版本开始:

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setSecKeyAccessibleAttr

public KeyStoreProtectionParameter.Builder setSecKeyAccessibleAttr(int secKeyAccessibleAttr)

Sets the accessibility attribute set of a key.

This method is used to set the key identifier used in a specific scenario.

参数:

secKeyAccessibleAttr - Indicates the accessibility attribute set, which can be KeyStoreConstants#FLAG_KEY_ACCESSIBLE_NEEDED_USER_AUTH, KeyStoreConstants#FLAG_KEY_ACCESSIBLE_NEED_DEVICE_UNLOCK, and KeyStoreConstants#FLAG_KEY_ACCESSIBLE_NEED_RANDOMIZED_ENCRYPTION.

返回:

Returns the Builder object used to set the accessibility attribute set.

从以下版本开始:

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setSecKeyAuthDuration

public KeyStoreProtectionParameter.Builder setSecKeyAuthDuration(int secKeyAuthDuration)

Sets the validity period for user authentication with a key, in seconds.

参数:

secKeyAuthDuration - Indicates the validity period for user authentication. By default, do not set it to -1.

返回:

Returns the Builder object.

从以下版本开始:

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createCustomProtection

public KeyStoreProtectionParameter createCustomProtection()

Creates a KeyStoreProtectionParameter object.

返回:

Returns the created KeyStoreProtectionParameter object.

从以下版本开始:

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