PublicKey

Represents a public key used in asymmetric cryptography. Public keys are typically generated using the or methods. This class also provides methods to export and check the properties of public keys.

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Extends

• BaseCryptoClass

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Constructors

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new PublicKey()

new PublicKey(): PublicKey

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Returns

PublicKey

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Methods

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exportDer()

exportDer(): Promise<ArrayBuffer> Export the public key as a DER-encoded blob. The public key is exported in SubjectPublicKeyInfo format as described in RFC 5280, Section 4.1.

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Throws

• If the key is not exportable.

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Returns

Promise<ArrayBuffer> Promise A promise that resolves to an ArrayBuffer containing the DER-encoded key.

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hasPurpose()

hasPurpose(purpose: KeyPurpose): boolean Check if a specific purpose is enabled for this public key.

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Parameters

purpose

KeyPurpose The purpose to check.

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Throws

• If the argument is not a valid purpose.

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Returns

boolean boolean True if the specified purpose is enabled, false otherwise.

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