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(VBScript) Create JWS with Multiple Signatures using the General JSON Serialization FormatCreates a JSON Web Signature (JWS) containing 3 signatures and output using the general JSON serialization format. Chilkat supports all of the following JWS algorithms: +--------------+-------------------------------+--------------------+ | "alg" Param | Digital Signature or MAC | Implementation | | Value | Algorithm | Requirements | +--------------+-------------------------------+--------------------+ | HS256 | HMAC using SHA-256 | Required | | HS384 | HMAC using SHA-384 | Optional | | HS512 | HMAC using SHA-512 | Optional | | RS256 | RSASSA-PKCS1-v1_5 using | Recommended | | | SHA-256 | | | RS384 | RSASSA-PKCS1-v1_5 using | Optional | | | SHA-384 | | | RS512 | RSASSA-PKCS1-v1_5 using | Optional | | | SHA-512 | | | ES256 | ECDSA using P-256 and SHA-256 | Recommended+ | | ES384 | ECDSA using P-384 and SHA-384 | Optional | | ES512 | ECDSA using P-521 and SHA-512 | Optional | | PS256 | RSASSA-PSS using SHA-256 and | Optional | | | MGF1 with SHA-256 | | | PS384 | RSASSA-PSS using SHA-384 and | Optional | | | MGF1 with SHA-384 | | | PS512 | RSASSA-PSS using SHA-512 and | Optional | | | MGF1 with SHA-512 | | +--------------+-------------------------------+--------------------+ Note: This example requires Chilkat v9.5.0.66 or greater.
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") 'Create a Unicode (utf-16) output text file. Set outFile = fso.CreateTextFile("output.txt", True, True) ' This requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' Note: This example requires Chilkat v9.5.0.66 or greater. ' The JWS to be created will contain three signatures. ' The 1st will use an ECC key, the 2nd an RSA key, and the 3rd an HMAC key. ' Prepare each key.. ' --------------------------------------------------- ' Use the following RSA key loaded from JWK format. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder") set sbRsaJwk = CreateObject("Chilkat.StringBuilder") success = sbRsaJwk.Append("{""kty"":""RSA"",") success = sbRsaJwk.Append("""n"":""ofgWCuLjybRlzo0tZWJjNiuSfb4p4fAkd_wWJcyQoTbji9k0l8W26mPddx") success = sbRsaJwk.Append("HmfHQp-Vaw-4qPCJrcS2mJPMEzP1Pt0Bm4d4QlL-yRT-SFd2lZS-pCgNMs") success = sbRsaJwk.Append("D1W_YpRPEwOWvG6b32690r2jZ47soMZo9wGzjb_7OMg0LOL-bSf63kpaSH") success = sbRsaJwk.Append("SXndS5z5rexMdbBYUsLA9e-KXBdQOS-UTo7WTBEMa2R2CapHg665xsmtdV") success = sbRsaJwk.Append("MTBQY4uDZlxvb3qCo5ZwKh9kG4LT6_I5IhlJH7aGhyxXFvUK-DWNmoudF8") success = sbRsaJwk.Append("NAco9_h9iaGNj8q2ethFkMLs91kzk2PAcDTW9gb54h4FRWyuXpoQ"",") success = sbRsaJwk.Append("""e"":""AQAB"",") success = sbRsaJwk.Append("""d"":""Eq5xpGnNCivDflJsRQBXHx1hdR1k6Ulwe2JZD50LpXyWPEAeP88vLNO97I") success = sbRsaJwk.Append("jlA7_GQ5sLKMgvfTeXZx9SE-7YwVol2NXOoAJe46sui395IW_GO-pWJ1O0") success = sbRsaJwk.Append("BkTGoVEn2bKVRUCgu-GjBVaYLU6f3l9kJfFNS3E0QbVdxzubSu3Mkqzjkn") success = sbRsaJwk.Append("439X0M_V51gfpRLI9JYanrC4D4qAdGcopV_0ZHHzQlBjudU2QvXt4ehNYT") success = sbRsaJwk.Append("CBr6XCLQUShb1juUO1ZdiYoFaFQT5Tw8bGUl_x_jTj3ccPDVZFD9pIuhLh") success = sbRsaJwk.Append("BOneufuBiB4cS98l2SR_RQyGWSeWjnczT0QU91p1DhOVRuOopznQ"",") success = sbRsaJwk.Append("""p"":""4BzEEOtIpmVdVEZNCqS7baC4crd0pqnRH_5IB3jw3bcxGn6QLvnEtfdUdi") success = sbRsaJwk.Append("YrqBdss1l58BQ3KhooKeQTa9AB0Hw_Py5PJdTJNPY8cQn7ouZ2KKDcmnPG") success = sbRsaJwk.Append("BY5t7yLc1QlQ5xHdwW1VhvKn-nXqhJTBgIPgtldC-KDV5z-y2XDwGUc"",") success = sbRsaJwk.Append("""q"":""uQPEfgmVtjL0Uyyx88GZFF1fOunH3-7cepKmtH4pxhtCoHqpWmT8YAmZxa") success = sbRsaJwk.Append("ewHgHAjLYsp1ZSe7zFYHj7C6ul7TjeLQeZD_YwD66t62wDmpe_HlB-TnBA") success = sbRsaJwk.Append("-njbglfIsRLtXlnDzQkv5dTltRJ11BKBBypeeF6689rjcJIDEz9RWdc"",") success = sbRsaJwk.Append("""dp"":""BwKfV3Akq5_MFZDFZCnW-wzl-CCo83WoZvnLQwCTeDv8uzluRSnm71I3Q") success = sbRsaJwk.Append("CLdhrqE2e9YkxvuxdBfpT_PI7Yz-FOKnu1R6HsJeDCjn12Sk3vmAktV2zb") success = sbRsaJwk.Append("34MCdy7cpdTh_YVr7tss2u6vneTwrA86rZtu5Mbr1C1XsmvkxHQAdYo0"",") success = sbRsaJwk.Append("""dq"":""h_96-mK1R_7glhsum81dZxjTnYynPbZpHziZjeeHcXYsXaaMwkOlODsWa") success = sbRsaJwk.Append("7I9xXDoRwbKgB719rrmI2oKr6N3Do9U0ajaHF-NKJnwgjMd2w9cjz3_-ky") success = sbRsaJwk.Append("NlxAr2v4IKhGNpmM5iIgOS1VZnOZ68m6_pbLBSp3nssTdlqvd0tIiTHU"",") success = sbRsaJwk.Append("""qi"":""IYd7DHOhrWvxkwPQsRM2tOgrjbcrfvtQJipd-DlcxyVuuM9sQLdgjVk2o") success = sbRsaJwk.Append("y26F0EmpScGLq2MowX7fhd_QJQ3ydy5cY7YIBi87w93IKLEdfnbJtoOPLU") success = sbRsaJwk.Append("W0ITrJReOgo1cq9SbsxYawBgfp_gh6A5603k2-ZQwVK0JKSHuLFkuQ3U""") success = sbRsaJwk.Append("}") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey") set rsaKey = CreateObject("Chilkat.PrivateKey") ' Note: This example loads the RSA key from JWK format. Any format can be loaded ' into the private key object. (See the online reference documentation..) success = rsaKey.LoadJwk(sbRsaJwk.GetAsString()) If (success <> 1) Then outFile.WriteLine(rsaKey.LastErrorText) WScript.Quit End If ' --------------------------------------------------- ' Use the following ECC key loaded from JWK format. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder") set sbEccJwk = CreateObject("Chilkat.StringBuilder") success = sbEccJwk.Append("{""kty"":""EC"",") success = sbEccJwk.Append("""crv"":""P-256"",") success = sbEccJwk.Append("""x"":""f83OJ3D2xF1Bg8vub9tLe1gHMzV76e8Tus9uPHvRVEU"",") success = sbEccJwk.Append("""y"":""x_FEzRu9m36HLN_tue659LNpXW6pCyStikYjKIWI5a0"",") success = sbEccJwk.Append("""d"":""jpsQnnGQmL-YBIffH1136cspYG6-0iY7X1fCE9-E9LI""") success = sbEccJwk.Append("}") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey") set eccKey = CreateObject("Chilkat.PrivateKey") ' Note: This example loads the ECDSA key from JWK format. Any format can be loaded ' into the private key object. (See the online reference documentation..) success = eccKey.LoadJwk(sbEccJwk.GetAsString()) If (success <> 1) Then outFile.WriteLine(eccKey.LastErrorText) WScript.Quit End If ' --------------------------------------------------- ' The HMAC key (in base64url format) hmacKey = "AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow" ' --------------------------------------------------- ' Prepare the headers.. ' RSASSA-PKCS1-v1_5 SHA-256 ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsProtHdr0 = CreateObject("Chilkat.JsonObject") success = jwsProtHdr0.AppendString("alg","RS256") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsUnprotHdr0 = CreateObject("Chilkat.JsonObject") success = jwsUnprotHdr0.AppendString("kid","myRsaKey") ' ECDSA using P-256 and SHA-256 ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsProtHdr1 = CreateObject("Chilkat.JsonObject") success = jwsProtHdr1.AppendString("alg","ES256") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsUnprotHdr1 = CreateObject("Chilkat.JsonObject") success = jwsUnprotHdr1.AppendString("kid","myEcKey") ' HMAC using SHA-256 ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsProtHdr2 = CreateObject("Chilkat.JsonObject") success = jwsProtHdr2.AppendString("alg","HS256") ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jwsUnprotHdr2 = CreateObject("Chilkat.JsonObject") success = jwsUnprotHdr2.AppendString("kid","myMacKey") ' --------------------------------------------------- ' First set the JWS headers, keys, and payload, then we'll create the JWS... ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Jws") set jws = CreateObject("Chilkat.Jws") success = jws.SetProtectedHeader(0,jwsProtHdr0) success = jws.SetUnprotectedHeader(0,jwsUnprotHdr0) success = jws.SetProtectedHeader(1,jwsProtHdr1) success = jws.SetUnprotectedHeader(1,jwsUnprotHdr1) success = jws.SetProtectedHeader(2,jwsProtHdr2) success = jws.SetUnprotectedHeader(2,jwsUnprotHdr2) success = jws.SetPrivateKey(0,rsaKey) success = jws.SetPrivateKey(1,eccKey) success = jws.SetMacKey(2,hmacKey,"base64url") bIncludeBom = 0 payloadStr = "In our village, folks say God crumbles up the old moon into stars." success = jws.SetPayload(payloadStr,"utf-8",bIncludeBom) ' --------------------------------------------------- ' Create the JWS. ' Givent that multiple signatures will exist, only the general JSON serialization ' format is possible, and that is what will be produced. jwsStr = jws.CreateJws() If (jws.LastMethodSuccess <> 1) Then outFile.WriteLine(jws.LastErrorText) WScript.Quit End If ' The jwsStr is contains JSON in the smallest possible size, which is a single line. ' To get in human-readable format, load into a Chilkat JSON object and emit.. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set json = CreateObject("Chilkat.JsonObject") success = json.Load(jwsStr) json.EmitCompact = 0 outFile.WriteLine(json.Emit()) ' Sample output: ' { ' "payload": "SW4gb3VyIHZpbGxhZ2UsIGZvbGtzIHNheSBHb2QgY3J1bWJsZXMgdXAgdGhlIG9sZCBtb29uIGludG8gc3RhcnMu", ' "signatures": [ ' { ' "protected": "eyJhbGciOiJSUzI1NiJ9", ' "header": { ' "kid": "myRsaKey" ' }, ' "signature": "B04c24gSnpVm1Z-_bemfyNMCpZm6Knj1yB-yzaIOvijsWfDgoF_mSJccTIbzapNgwJudnobr5iDOfZWiRR9iqCyDJLe5M1S40vFF7MFEI3JecYRgrRc6n1lTkYLMRyVq48BwbQlmKgPqmK9drun3agklsr0FmgNx65pfmcnlYdXsgwxf8WbgppefrlrMImp-98-dNtBcUL8ce1aOjbcyVFjGMCzpm3JerQqIzWQvEwBstnMEQle73KHcyx_nsTmlzY70CaydbRTsciOATL7WfiMwuX1q9Y2NIpTg3CbOTWKdwjh7iyfiAKQxNBaF2mApnqj9hjpf8GwR-CfxAzJtPg" ' }, ' { ' "protected": "eyJhbGciOiJFUzI1NiJ9", ' "header": { ' "kid": "myEcKey" ' }, ' "signature": "2cbugKq0ERaQMh01n2B-86EZFYleeMf8bsccaQMxzOxAg14PxfjR3IImvodTJYqkmfBJYW203etz2-7ZtJUOGw" ' }, ' { ' "protected": "eyJhbGciOiJIUzI1NiJ9", ' "header": { ' "kid": "myMacKey" ' }, ' "signature": "e7R9gjx0RsUNa3c7qd8k9mQGEhtcG8vsN1W7jbLb2MA" ' } ' ] ' } outFile.Close |
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