feat(ext/crypto): support exporting RSA JWKs (#13081)

This commit adds support for exporting RSA JWKs in the Web Crypto API.
It also does some minor fixes for RSA JWK imports.

Co-authored-by: Sean Michael Wykes <[email protected]>

cli/tests/unit/webcrypto_test.ts

@@ -772,3 +772,258 @@ Deno.test(async function testDecryptWithInvalidIntializationVector() {
     );
   }, DOMException);
 });
+
+const jwtRSAKeys = {
+  "1024": {
+    size: 1024,
+    publicJWK: {
+      kty: "RSA",
+      n: "zZn4sRGfjQos56yL_Qy1R9NI-THMnFynn94g5RxA6wGrJh4BJT3x6I9x0IbpS3q-d4ORA6R2vuDMh8dDFRr9RDH6XY-gUScc9U5Jz3UA2KmVfsCbnUPvcAmMV_ENA7_TF0ivVjuIFodyDTx7EKHNVTrHHSlrbt7spbmcivs23Zc",
+      e: "AQAB",
+    },
+    privateJWK: {
+      kty: "RSA",
+      n: "zZn4sRGfjQos56yL_Qy1R9NI-THMnFynn94g5RxA6wGrJh4BJT3x6I9x0IbpS3q-d4ORA6R2vuDMh8dDFRr9RDH6XY-gUScc9U5Jz3UA2KmVfsCbnUPvcAmMV_ENA7_TF0ivVjuIFodyDTx7EKHNVTrHHSlrbt7spbmcivs23Zc",
+      e: "AQAB",
+      d: "YqIK_GdH85F-GWZdgfgmv15NE78gOaL5h2g4v7DeM9-JC7A5PHSLKNYn87HFGcC4vv0PBIBRtyCA_mJJfEaGWORVCOXSBpWNepMYpio52n3w5uj5UZEsBnbtZc0EtWhVF2Auqa7VbiKrWcQUEgEI8V0gE5D4tyBg8GXv9975dQE",
+      p: "9BrAg5L1zfqGPuWJDuDCBX-TmtZdrOI3Ys4ZaN-yMPlTjwWSEPO0qnfjEZcw2VgXHgJJmbVco6TxckJCmEYqeQ",
+      q: "157jDJ1Ya5nmQvTPbhKAPAeMWogxCyaQTkBrp30pEKd6mGSB385hqr4BIk8s3f7MdXpM-USpaZgUoT4o_2VEjw",
+      dp:
+        "qdd_QUzcaB-6jkKo1Ug-1xKIAgDLFsIjJUUfWt_iHL8ti2Kl2dOnTcCypgebPm5TT1bqHN-agGYAdK5zpX2UiQ",
+      dq:
+        "hNRfwOSplNfhLvxLUN7a2qA3yYm-1MSz_1DWQP7srlLORlUcYPht2FZmsnEeDcAqynBGPQUcbG2Av_hgHz2OZw",
+      qi:
+        "zbpJQAhinrxSbVKxBQ2EZGFUD2e3WCXbAJRYpk8HVQ5AA52OhKTicOye2hEHnrgpFKzC8iznTsCG3FMkvwcj4Q",
+    },
+  },
+
+  "2048": {
+    size: 2048,
+    publicJWK: {
+      kty: "RSA",
+      // unpadded base64 for rawKey.
+      n: "09eVwAhT9SPBxdEN-74BBeEANGaVGwqH-YglIc4VV7jfhR2by5ivzVq8NCeQ1_ACDIlTDY8CTMQ5E1c1SEXmo_T7q84XUGXf8U9mx6uRg46sV7fF-hkwJR80BFVsvWxp4ahPlVJYj__94ft7rIVvchb5tyalOjrYFCJoFnSgq-i3ZjU06csI9XnO5klINucD_Qq0vUhO23_Add2HSYoRjab8YiJJR_Eths7Pq6HHd2RSXmwYp5foRnwe0_U75XmesHWDJlJUHYbwCZo0kP9G8g4QbucwU-MSNBkZOO2x2ZtZNexpHd0ThkATbnNlpVG_z2AGNORp_Ve3rlXwrGIXXw",
+      e: "AQAB",
+    },
+    privateJWK: {
+      kty: "RSA",
+      // unpadded base64 for rawKey.
+      n: "09eVwAhT9SPBxdEN-74BBeEANGaVGwqH-YglIc4VV7jfhR2by5ivzVq8NCeQ1_ACDIlTDY8CTMQ5E1c1SEXmo_T7q84XUGXf8U9mx6uRg46sV7fF-hkwJR80BFVsvWxp4ahPlVJYj__94ft7rIVvchb5tyalOjrYFCJoFnSgq-i3ZjU06csI9XnO5klINucD_Qq0vUhO23_Add2HSYoRjab8YiJJR_Eths7Pq6HHd2RSXmwYp5foRnwe0_U75XmesHWDJlJUHYbwCZo0kP9G8g4QbucwU-MSNBkZOO2x2ZtZNexpHd0ThkATbnNlpVG_z2AGNORp_Ve3rlXwrGIXXw",
+      e: "AQAB",
+      d: "H4xboN2co0VP9kXL71G8lUOM5EDis8Q9u8uqu_4U75t4rjpamVeD1vFMVfgOehokM_m_hKVnkkcmuNqj9L90ObaiRFPM5QxG7YkFpXbHlPAKeoXD1hsqMF0VQg_2wb8DhberInHA_rEA_kaVhHvavQLu7Xez45gf1d_J4I4931vjlCB6cupbLL0H5hHsxbMsX_5nnmAJdL_U3gD-U7ZdQheUPhDBJR2KeGzvnTm3KVKpOnwn-1Cd45MU4-KDdP0FcBVEuBsSrsQHliTaciBgkbyj__BangPj3edDxTkb-fKkEvhkXRjAoJs1ixt8nfSGDce9cM_GqAX9XGb4s2QkAQ",
+      dp:
+        "mM82RBwzGzi9LAqjGbi-badLtHRRBoH9sfMrJuOtzxRnmwBFccg_lwy-qAhUTqnN9kvD0H1FzXWzoFPFJbyi-AOmumYGpWm_PvzQGldne5CPJ02pYaeg-t1BePsT3OpIq0Am8E2Kjf9polpRJwIjO7Kx8UJKkhg5bISnsy0V8wE",
+      dq:
+        "ZlM4AvrWIpXwqsH_5Q-6BsLJdbnN_GypFCXoT9VXniXncSBZIWCkgDndBdWkSzyzIN65NiMRBfZaf9yduTFj4kvOPwb3ch3J0OxGJk0Ary4OGSlS1zNwMl93ALGal1FzpWUuiia9L9RraGqXAUr13L7TIIMRobRjpAV-z7M-ruM",
+      p: "7VwGt_tJcAFQHrmDw5dM1EBru6fidM45NDv6VVOEbxKuD5Sh2EfAHfm5c6oouA1gZqwvKH0sn_XpB1NsyYyHEQd3sBVdK0zRjTo-E9mRP-1s-LMd5YDXVq6HE339nxpXsmO25slQEF6zBrj1bSNNXBFc7fgDnlq-HIeleMvsY_E",
+      q: "5HqMHLzb4IgXhUl4pLz7E4kjY8PH2YGzaQfK805zJMbOXzmlZK0hizKo34Qqd2nB9xos7QgzOYQrNfSWheARwVsSQzAE0vGvw3zHIPP_lTtChBlCTPctQcURjw4dXcnK1oQ-IT321FNOW3EO-YTsyGcypJqJujlZrLbxYjOjQE8",
+      qi:
+        "OQXzi9gypDnpdHatIi0FaUGP8LSzfVH0AUugURJXs4BTJpvA9y4hcpBQLrcl7H_vq6kbGmvC49V-9I5HNVX_AuxGIXKuLZr5WOxPq8gLTqHV7X5ZJDtWIP_nq2NNgCQQyNNRrxebiWlwGK9GnX_unewT6jopI_oFhwp0Q13rBR0",
+    },
+  },
+  "4096": {
+    size: 4096,
+    publicJWK: {
+      kty: "RSA",
+      n: "2qr2TL2c2JmbsN0OLIRnaAB_ZKb1-Gh9H0qb4lrBuDaqkW_eFPwT-JIsvnNJvDT7BLJ57tTMIj56ZMtv6efSSTWSk9MOoW2J1K_iEretZ2cegB_aRX7qQVjnoFsz9U02BKfAIUT0o_K7b9G08d1rrAUohi_SVQhwObodg7BddMbKUmz70QNIS487LN44WUVnn9OgE9atTYUARNukT0DuQb3J-K20ksTuVujXbSelohDmLobqlGoi5sY_548Qs9BtFmQ2nGuEHNB2zdlZ5EvEqbUFVZ2QboG6jXdoos6qcwdgUvAhj1Hz10Ngic_RFqL7bNDoIOzNp66hdA35uxbwuaygZ16ikxoPj7eTYud1hrkyQCgeGw2YhCiKIE6eos_U5dL7WHRD5aSkkzsgXtnF8pVmStsuf0QcdAoC-eeCex0tSTgRw9AtGTz8Yr1tGQD9l_580zAXnE6jmrwRRQ68EEA7vohGov3tnG8pGyg_zcxeADLtPlfTc1tEwmh3SGrioDClioYCipm1JvkweEgP9eMPpEC8SgRU1VNDSVe1SF4uNsH8vA7PHFKfg6juqJEc5ht-l10FYER-Qq6bZXsU2oNcfE5SLDeLTWmxiHmxK00M8ABMFIV5gUkPoMiWcl87O6XwzA2chsIERp7Vb-Vn2O-EELiXzv7lPhc6fTGQ0Nc",
+      e: "AQAB",
+    },
+    privateJWK: {
+      kty: "RSA",
+      n: "2qr2TL2c2JmbsN0OLIRnaAB_ZKb1-Gh9H0qb4lrBuDaqkW_eFPwT-JIsvnNJvDT7BLJ57tTMIj56ZMtv6efSSTWSk9MOoW2J1K_iEretZ2cegB_aRX7qQVjnoFsz9U02BKfAIUT0o_K7b9G08d1rrAUohi_SVQhwObodg7BddMbKUmz70QNIS487LN44WUVnn9OgE9atTYUARNukT0DuQb3J-K20ksTuVujXbSelohDmLobqlGoi5sY_548Qs9BtFmQ2nGuEHNB2zdlZ5EvEqbUFVZ2QboG6jXdoos6qcwdgUvAhj1Hz10Ngic_RFqL7bNDoIOzNp66hdA35uxbwuaygZ16ikxoPj7eTYud1hrkyQCgeGw2YhCiKIE6eos_U5dL7WHRD5aSkkzsgXtnF8pVmStsuf0QcdAoC-eeCex0tSTgRw9AtGTz8Yr1tGQD9l_580zAXnE6jmrwRRQ68EEA7vohGov3tnG8pGyg_zcxeADLtPlfTc1tEwmh3SGrioDClioYCipm1JvkweEgP9eMPpEC8SgRU1VNDSVe1SF4uNsH8vA7PHFKfg6juqJEc5ht-l10FYER-Qq6bZXsU2oNcfE5SLDeLTWmxiHmxK00M8ABMFIV5gUkPoMiWcl87O6XwzA2chsIERp7Vb-Vn2O-EELiXzv7lPhc6fTGQ0Nc",
+      e: "AQAB",
+      d: "uXPRXBhcE5-DWabBRKQuhxgU8ype5gTISWefeYP7U96ZHqu_sBByZ5ihdgyU9pgAZGVx4Ep9rnVKnH2lNr2zrP9Qhyqy99nM0aMxmypIWLAuP__DwLj4t99M4sU29c48CAq1egHfccSFjzpNuetOTCA71EJuokt70pm0OmGzgTyvjuR7VTLxd5PMXitBowSn8_cphmnFpT8tkTiuy8CH0R3DU7MOuINomDD1s8-yPBcVAVTPUnwJiauNuzestLQKMLlhT5wn-cAbYk36XRKdgkjSc2AkhHRl4WDqT1nzWYdh_DVIYSLiKSktkPO9ovMrRYiPtozfhl0m9SR9Ll0wXtcnnDlWXc_MSGpw18vmUBSJ4PIhkiFsvLn-db3wUkA8uve-iqqfk0sxlGWughWx03kGmZDmprWbXugCBHfsI4X93w4exznXH_tapxPnmjbhVUQR6p41MvO2lcHWPLwGJgLIoejBHpnn3TmMN0UjFZki7q9B_dJ3fXh0mX9DzAlC0sil1NgCPhMPq02393_giinQquMknrBvgKxGSfGUrDKuflCx611ZZlRM3R7YMX2OIy1g4DyhPzBVjxRMtm8PnIs3m3Hi-O-C_PHF93w9J8Wqd0yIw7SpavDqZXLPC6Cqi8K7MBZyVECXHtRj1bBqT-h_xZmFCDjSU0NqfOdgApE",
+      p: "9NrXwq4kY9kBBOwLoFZVQc4kJI_NbKa_W9FLdQdRIbMsZZHXJ3XDUR9vJAcaaR75WwIC7X6N55nVtWTq28Bys9flJ9RrCTfciOntHEphBhYaL5ZTUl-6khYmsOf_psff2VaOOCvHGff5ejuOmBQxkw2E-cv7knRgWFHoLWpku2NJIMuGHt9ks7OAUfIZVYl9YJnw4FYUzhgaxemknjLeZ8XTkGW2zckzF-d95YI9i8zD80Umubsw-YxriSfqFQ0rGHBsbQ8ZOTd_KJju42BWnXIjNDYmjFUqdzVjI4XQ8EGrCEf_8_iwphGyXD7LOJ4fqd97B3bYpoRTPnCgY_SEHQ",
+      q: "5J758_NeKr1XPZiLxXohYQQnh0Lb4QtGZ1xzCgjhBQLcIBeTOG_tYjCues9tmLt93LpJfypSJ-SjDLwkR2s069_IByYGpxyeGtV-ulqYhSw1nD2CXKMDGyO5jXDs9tJrS_UhfobXKQH03CRdFugyPkSNmXY-AafFynG7xLr7oYBC05FnhUXPm3VBTPt9K-BpqwYd_h9vkAWeprSPo83UlwcLMupSJY9LaHxhRdz2yi0ZKNwXXHRwcszGjDBvvzUcCYbqWqjzbEvFY6KtH8Jh4LhM46rHaoEOTernJsDF6a6W8Df88RthqTExcwnaQf0O_dlbjSxEIPfbxx8t1EQugw",
+      dp:
+        "4Y7Hu5tYAnLhMXuQqj9dgqU3PkcKYdCp7xc6f7Ah2P2JJHfYz4z4RD7Ez1eLyNKzulZ8A_PVHUjlSZiRkaYTBAEaJDrV70P6cFWuC6WpA0ZREQ1V7EgrQnANbGILa8QsPbYyhSQu4YlB1IwQq5_OmzyVBtgWA7AZIMMzMsMT0FuB_if-gWohBjmRN-vh0p45VUf6UW568-_YmgDFmMYbg1UFs7s_TwrNenPR0h7MO4CB8hP9vJLoZrooRczzIjljPbwy5bRG9CJfjTJ0vhj9MUT3kR1hHV1HJVGU5iBbfTfBKnvJGSI6-IDM4ZUm-B0R5hbs6s9cfOjhFmACIJIbMQ",
+      dq:
+        "gT4iPbfyHyVEwWyQb4X4grjvg7bXSKSwG1SXMDAOzV9tg7LwJjKYNy8gJAtJgNNVdsfVLs-E_Epzpoph1AIWO9YZZXkov6Yc9zyEVONMX9S7ReU74hTBd8E9b2lMfMg9ogYk9jtSPTt-6kigW4fOh4cHqZ6_tP3cgfLD3JZ8FDPHE4WaySvLDq49yUBO5dQKyIU_xV6OGhQjOUjP_yEoMmzn9tOittsIHTxbXTxqQ6c1FvU9O6YTv8Jl5_Cl66khfX1I1RG38xvurcHULyUbYgeuZ_Iuo9XreT73h9_owo9RguGT29XH4vcNZmRGf5GIvRb4e5lvtleIZkwJA3u78w",
+      qi:
+        "JHmVKb1zwW5iRR6RCeexYnh2fmY-3DrPSdM8Dxhr0F8dayi-tlRqEdnG0hvp45n8gLUskWWcB9EXlUJObZGKDfGuxgMa3g_xeLA2vmFQ12MxPsyH4iCNZvsgmGxx7TuOHrnDh5EBVnM4_de63crEJON2sYI8Ozi-xp2OEmAr2seWKq4sxkFni6exLhqb-NE4m9HMKlng1EtQh2rLBFG1VYD3SYYpMLc5fxzqGvSxn3Fa-Xgg-IZPY3ubrcm52KYgmLUGmnYStfVqGSWSdhDXHlNgI5pdAA0FzpyBk3ZX-JsxhwcnneKrYBBweq06kRMGWgvdbdAQ-7wSeGqqj5VPwA",
+    },
+  },
+};
+
+Deno.test(async function testImportRsaJwk() {
+  const subtle = window.crypto.subtle;
+  assert(subtle);
+
+  for (const [_key, jwkData] of Object.entries(jwtRSAKeys)) {
+    const { size, publicJWK, privateJWK } = jwkData;
+    if (size < 2048) {
+      continue;
+    }
+
+    // 1. Test import PSS
+    for (const hash of ["SHA-1", "SHA-256", "SHA-384", "SHA-512"]) {
+      const hashMapPSS: Record<string, string> = {
+        "SHA-1": "PS1",
+        "SHA-256": "PS256",
+        "SHA-384": "PS384",
+        "SHA-512": "PS512",
+      };
+
+      if (size == 1024 && hash == "SHA-512") {
+        continue;
+      }
+
+      const privateKeyPSS = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapPSS[hash],
+          ...privateJWK,
+          ext: true,
+          "key_ops": ["sign"],
+        },
+        { name: "RSA-PSS", hash },
+        true,
+        ["sign"],
+      );
+
+      const publicKeyPSS = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapPSS[hash],
+          ...publicJWK,
+          ext: true,
+          "key_ops": ["verify"],
+        },
+        { name: "RSA-PSS", hash },
+        true,
+        ["verify"],
+      );
+
+      const signaturePSS = await crypto.subtle.sign(
+        { name: "RSA-PSS", saltLength: 32 },
+        privateKeyPSS,
+        new Uint8Array([1, 2, 3, 4]),
+      );
+
+      const verifyPSS = await crypto.subtle.verify(
+        { name: "RSA-PSS", saltLength: 32 },
+        publicKeyPSS,
+        signaturePSS,
+        new Uint8Array([1, 2, 3, 4]),
+      );
+      assert(verifyPSS);
+    }
+
+    // 2. Test import PKCS1
+    for (const hash of ["SHA-1", "SHA-256", "SHA-384", "SHA-512"]) {
+      const hashMapPKCS1: Record<string, string> = {
+        "SHA-1": "RS1",
+        "SHA-256": "RS256",
+        "SHA-384": "RS384",
+        "SHA-512": "RS512",
+      };
+
+      if (size == 1024 && hash == "SHA-512") {
+        continue;
+      }
+
+      const privateKeyPKCS1 = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapPKCS1[hash],
+          ...privateJWK,
+          ext: true,
+          "key_ops": ["sign"],
+        },
+        { name: "RSASSA-PKCS1-v1_5", hash },
+        true,
+        ["sign"],
+      );
+
+      const publicKeyPKCS1 = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapPKCS1[hash],
+          ...publicJWK,
+          ext: true,
+          "key_ops": ["verify"],
+        },
+        { name: "RSASSA-PKCS1-v1_5", hash },
+        true,
+        ["verify"],
+      );
+
+      const signaturePKCS1 = await crypto.subtle.sign(
+        { name: "RSASSA-PKCS1-v1_5", saltLength: 32 },
+        privateKeyPKCS1,
+        new Uint8Array([1, 2, 3, 4]),
+      );
+
+      const verifyPKCS1 = await crypto.subtle.verify(
+        { name: "RSASSA-PKCS1-v1_5", saltLength: 32 },
+        publicKeyPKCS1,
+        signaturePKCS1,
+        new Uint8Array([1, 2, 3, 4]),
+      );
+      assert(verifyPKCS1);
+    }
+
+    // 3. Test import OAEP
+    for (
+      const { hash, plainText } of hashPlainTextVector
+    ) {
+      const hashMapOAEP: Record<string, string> = {
+        "SHA-1": "RSA-OAEP",
+        "SHA-256": "RSA-OAEP-256",
+        "SHA-384": "RSA-OAEP-384",
+        "SHA-512": "RSA-OAEP-512",
+      };
+
+      if (size == 1024 && hash == "SHA-512") {
+        continue;
+      }
+
+      const encryptAlgorithm = { name: "RSA-OAEP" };
+
+      const privateKeyOAEP = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapOAEP[hash],
+          ...privateJWK,
+          ext: true,
+          "key_ops": ["decrypt"],
+        },
+        { ...encryptAlgorithm, hash },
+        true,
+        ["decrypt"],
+      );
+
+      const publicKeyOAEP = await crypto.subtle.importKey(
+        "jwk",
+        {
+          alg: hashMapOAEP[hash],
+          ...publicJWK,
+          ext: true,
+          "key_ops": ["encrypt"],
+        },
+        { ...encryptAlgorithm, hash },
+        true,
+        ["encrypt"],
+      );
+      const cipherText = await subtle.encrypt(
+        encryptAlgorithm,
+        publicKeyOAEP,
+        plainText,
+      );
+
+      assert(cipherText);
+      assert(cipherText.byteLength > 0);
+      assertEquals(cipherText.byteLength * 8, size);
+      assert(cipherText instanceof ArrayBuffer);
+
+      const decrypted = await subtle.decrypt(
+        encryptAlgorithm,
+        privateKeyOAEP,
+        cipherText,
+      );
+      assert(decrypted);
+      assert(decrypted instanceof ArrayBuffer);
+      assertEquals(new Uint8Array(decrypted), plainText);
+    }
+  }
+});