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x/jose/types.d.ts>KeyLike

"JSON Web Almost Everything" - JWA, JWS, JWE, JWT, JWK, JWKS with no dependencies using runtime's native crypto in Node.js, Browser, Cloudflare Workers, Electron, and Deno.
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type alias KeyLike
import { type KeyLike } from "https://deno.land/x/jose@v3.20.4/types.d.ts";

KeyLike are runtime-specific classes representing asymmetric keys or symmetric secrets. These are instances of CryptoKey and additionally KeyObject in Node.js runtime. Uint8Array instances are also accepted as symmetric secret representation only.

jose/key/import functions can be used to import PEM, or JWK formatted asymmetric keys and certificates to these runtime-specific representations.

In Node.js the Buffer class is a subclass of Uint8Array and so Buffer can be provided for symmetric secrets as well.

KeyObject is a representation of a key/secret available in the Node.js runtime. In addition to the import functions of this library you may use the runtime APIs crypto.createPublicKey, crypto.createPrivateKey, and crypto.createSecretKey to obtain a KeyObject from your existing key material.

CryptoKey is a representation of a key/secret available in the Browser and Deno runtimes. In addition to the import functions of this library you may use the SubtleCrypto.importKey API to obtain a CryptoKey from your existing key material.

Examples

Import a PEM-encoded SPKI Public Key

import { importSPKI } from 'jose/key/import'

const algorithm = 'ES256'
const spki = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEFlHHWfLk0gLBbsLTcuCrbCqoHqmM
YJepMC+Q+Dd6RBmBiA41evUsNMwLeN+PNFqib+xwi9JkJ8qhZkq8Y/IzGg==
-----END PUBLIC KEY-----`
const ecPublicKey = await importSPKI(spki, algorithm)

Import a X.509 Certificate

import { importX509 } from 'jose/key/import'

const algorithm = 'ES256'
const x509 = `-----BEGIN CERTIFICATE-----
MIIBXjCCAQSgAwIBAgIGAXvykuMKMAoGCCqGSM49BAMCMDYxNDAyBgNVBAMMK3Np
QXBNOXpBdk1VaXhXVWVGaGtjZXg1NjJRRzFyQUhXaV96UlFQTVpQaG8wHhcNMjEw
OTE3MDcwNTE3WhcNMjIwNzE0MDcwNTE3WjA2MTQwMgYDVQQDDCtzaUFwTTl6QXZN
VWl4V1VlRmhrY2V4NTYyUUcxckFIV2lfelJRUE1aUGhvMFkwEwYHKoZIzj0CAQYI
KoZIzj0DAQcDQgAE8PbPvCv5D5xBFHEZlBp/q5OEUymq7RIgWIi7tkl9aGSpYE35
UH+kBKDnphJO3odpPZ5gvgKs2nwRWcrDnUjYLDAKBggqhkjOPQQDAgNIADBFAiEA
1yyMTRe66MhEXID9+uVub7woMkNYd0LhSHwKSPMUUTkCIFQGsfm1ecXOpeGOufAh
v+A1QWZMuTWqYt+uh/YSRNDn
-----END CERTIFICATE-----`
const ecPublicKey = await importX509(x509, algorithm)

Import a PEM-encoded PKCS8 Private Key

import { importPKCS8 } from 'jose/key/import'

const algorithm = 'ES256'
const pkcs8 = `-----BEGIN PRIVATE KEY-----
MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgiyvo0X+VQ0yIrOaN
nlrnUclopnvuuMfoc8HHly3505OhRANCAAQWUcdZ8uTSAsFuwtNy4KtsKqgeqYxg
l6kwL5D4N3pEGYGIDjV69Sw0zAt43480WqJv7HCL0mQnyqFmSrxj8jMa
-----END PRIVATE KEY-----`
const ecPrivateKey = await importPKCS8(pkcs8, algorithm)

Import a JSON Web Key (JWK)

import { importJWK } from 'jose/key/import'

const ecPublicKey = await importJWK({
  crv: 'P-256',
  kty: 'EC',
  x: 'ySK38C1jBdLwDsNWKzzBHqKYEE5Cgv-qjWvorUXk9fw',
  y: '_LeQBw07cf5t57Iavn4j-BqJsAD1dpoz8gokd3sBsOo'
}, 'ES256')

const rsaPublicKey = await importJWK({
  kty: 'RSA',
  e: 'AQAB',
  n: '12oBZRhCiZFJLcPg59LkZZ9mdhSMTKAQZYq32k_ti5SBB6jerkh-WzOMAO664r_qyLkqHUSp3u5SbXtseZEpN3XPWGKSxjsy-1JyEFTdLSYe6f9gfrmxkUF_7DTpq0gn6rntP05g2-wFW50YO7mosfdslfrTJYWHFhJALabAeYirYD7-9kqq9ebfFMF4sRRELbv9oi36As6Q9B3Qb5_C1rAzqfao_PCsf9EPsTZsVVVkA5qoIAr47lo1ipfiBPxUCCNSdvkmDTYgvvRm6ZoMjFbvOtgyts55fXKdMWv7I9HMD5HwE9uW839PWA514qhbcIsXEYSFMPMV6fnlsiZvQQ'
}, 'PS256')
definition: { type: string; }