PKI-Lite - v1.0.5
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    Class AlgorithmIdentifier

    Represents an algorithm identifier used throughout PKI standards.

    An AlgorithmIdentifier specifies a cryptographic algorithm along with any algorithm-specific parameters. It's used for signature algorithms, encryption algorithms, hash functions, and key derivation functions in X.509 certificates, PKCS structures, and other PKI objects.

    AlgorithmIdentifier  ::=  SEQUENCE  {
     algorithm               OBJECT IDENTIFIER,
     parameters              ANY DEFINED BY algorithm OPTIONAL
}

    // RSA with PKCS#1 v1.5 padding
    const rsaAlg = new AlgorithmIdentifier({
        algorithm: '1.2.840.113549.1.1.1' // rsaEncryption OID
    })

    // RSA-PSS with specific parameters
    const rsaPssAlg = new AlgorithmIdentifier({
        algorithm: '1.2.840.113549.1.1.10', // rsassa-pss OID
        parameters: new RSASSAPSSParams({
            hashAlgorithm: new AlgorithmIdentifier({ algorithm: OIDs.sha256 }),
            saltLength: 32
        })
    })

    // Check algorithm type
    console.log(rsaAlg.friendlyName) // "rsaEncryption"

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    algorithm noPadding parameters?

    Accessors

    friendlyName pemHeader pkiType

    Methods

    equals getEcNamedCurve parseAs toAsn1 toDer toHumanString toJSON toPem toString contentEncryptionAlgorithm digestAlgorithm fromAsn1 fromDer getEcCurveParameters keyEncryptionAlgorithm randomBytes signatureAlgorithm

    Constructors

    Properties

    algorithm: ObjectIdentifier

    The algorithm object identifier (OID).

    noPadding: boolean = false

    Internal flag indicating whether this algorithm uses padding.

    parameters?: Any

    Algorithm-specific parameters (optional). The format depends on the specific algorithm.

    Accessors

    • get pemHeader(): string

      Gets the PEM header name for this object type. Converts the class name to uppercase for use in PEM encoding.

      Returns string

    • get pkiType(): string

      Gets the PKI type name for this object (typically the class name). Used for PEM headers and debugging output.

      Returns string

    Methods

    • Compares this PKI object with another for equality. Two objects are considered equal if their DER encodings are identical.

      Parameters

      • other: PkiBase<any>

        The other PKI object to compare with

      Returns boolean

      true if the objects are equal, false otherwise

    • Returns a human-readable string representation of this object. By default, returns the same as toString(), but subclasses can override for more user-friendly output.

      Returns string

      A human-readable string representation

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