PowerBuilder
PowerBuilder
Create JWS with Multiple Signatures using the General JSON Serialization Format
See more JSON Web Signatures (JWS) Examples
Creates 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.
Chilkat PowerBuilder Downloads
integer li_rc
integer li_Success
oleobject loo_SbRsaJwk
oleobject loo_RsaKey
oleobject loo_SbEccJwk
oleobject loo_EccKey
string ls_HmacKey
oleobject loo_JwsProtHdr0
oleobject loo_JwsUnprotHdr0
oleobject loo_JwsProtHdr1
oleobject loo_JwsUnprotHdr1
oleobject loo_JwsProtHdr2
oleobject loo_JwsUnprotHdr2
oleobject loo_Jws
integer li_BIncludeBom
string ls_PayloadStr
string ls_JwsStr
oleobject loo_Json
li_Success = 0
// 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.
loo_SbRsaJwk = create oleobject
li_rc = loo_SbRsaJwk.ConnectToNewObject("Chilkat.StringBuilder")
if li_rc < 0 then
destroy loo_SbRsaJwk
MessageBox("Error","Connecting to COM object failed")
return
end if
loo_SbRsaJwk.Append("{~"kty~":~"RSA~",")
loo_SbRsaJwk.Append("~"n~":~"ofgWCuLjybRlzo0tZWJjNiuSfb4p4fAkd_wWJcyQoTbji9k0l8W26mPddx")
loo_SbRsaJwk.Append("HmfHQp-Vaw-4qPCJrcS2mJPMEzP1Pt0Bm4d4QlL-yRT-SFd2lZS-pCgNMs")
loo_SbRsaJwk.Append("D1W_YpRPEwOWvG6b32690r2jZ47soMZo9wGzjb_7OMg0LOL-bSf63kpaSH")
loo_SbRsaJwk.Append("SXndS5z5rexMdbBYUsLA9e-KXBdQOS-UTo7WTBEMa2R2CapHg665xsmtdV")
loo_SbRsaJwk.Append("MTBQY4uDZlxvb3qCo5ZwKh9kG4LT6_I5IhlJH7aGhyxXFvUK-DWNmoudF8")
loo_SbRsaJwk.Append("NAco9_h9iaGNj8q2ethFkMLs91kzk2PAcDTW9gb54h4FRWyuXpoQ~",")
loo_SbRsaJwk.Append("~"e~":~"AQAB~",")
loo_SbRsaJwk.Append("~"d~":~"Eq5xpGnNCivDflJsRQBXHx1hdR1k6Ulwe2JZD50LpXyWPEAeP88vLNO97I")
loo_SbRsaJwk.Append("jlA7_GQ5sLKMgvfTeXZx9SE-7YwVol2NXOoAJe46sui395IW_GO-pWJ1O0")
loo_SbRsaJwk.Append("BkTGoVEn2bKVRUCgu-GjBVaYLU6f3l9kJfFNS3E0QbVdxzubSu3Mkqzjkn")
loo_SbRsaJwk.Append("439X0M_V51gfpRLI9JYanrC4D4qAdGcopV_0ZHHzQlBjudU2QvXt4ehNYT")
loo_SbRsaJwk.Append("CBr6XCLQUShb1juUO1ZdiYoFaFQT5Tw8bGUl_x_jTj3ccPDVZFD9pIuhLh")
loo_SbRsaJwk.Append("BOneufuBiB4cS98l2SR_RQyGWSeWjnczT0QU91p1DhOVRuOopznQ~",")
loo_SbRsaJwk.Append("~"p~":~"4BzEEOtIpmVdVEZNCqS7baC4crd0pqnRH_5IB3jw3bcxGn6QLvnEtfdUdi")
loo_SbRsaJwk.Append("YrqBdss1l58BQ3KhooKeQTa9AB0Hw_Py5PJdTJNPY8cQn7ouZ2KKDcmnPG")
loo_SbRsaJwk.Append("BY5t7yLc1QlQ5xHdwW1VhvKn-nXqhJTBgIPgtldC-KDV5z-y2XDwGUc~",")
loo_SbRsaJwk.Append("~"q~":~"uQPEfgmVtjL0Uyyx88GZFF1fOunH3-7cepKmtH4pxhtCoHqpWmT8YAmZxa")
loo_SbRsaJwk.Append("ewHgHAjLYsp1ZSe7zFYHj7C6ul7TjeLQeZD_YwD66t62wDmpe_HlB-TnBA")
loo_SbRsaJwk.Append("-njbglfIsRLtXlnDzQkv5dTltRJ11BKBBypeeF6689rjcJIDEz9RWdc~",")
loo_SbRsaJwk.Append("~"dp~":~"BwKfV3Akq5_MFZDFZCnW-wzl-CCo83WoZvnLQwCTeDv8uzluRSnm71I3Q")
loo_SbRsaJwk.Append("CLdhrqE2e9YkxvuxdBfpT_PI7Yz-FOKnu1R6HsJeDCjn12Sk3vmAktV2zb")
loo_SbRsaJwk.Append("34MCdy7cpdTh_YVr7tss2u6vneTwrA86rZtu5Mbr1C1XsmvkxHQAdYo0~",")
loo_SbRsaJwk.Append("~"dq~":~"h_96-mK1R_7glhsum81dZxjTnYynPbZpHziZjeeHcXYsXaaMwkOlODsWa")
loo_SbRsaJwk.Append("7I9xXDoRwbKgB719rrmI2oKr6N3Do9U0ajaHF-NKJnwgjMd2w9cjz3_-ky")
loo_SbRsaJwk.Append("NlxAr2v4IKhGNpmM5iIgOS1VZnOZ68m6_pbLBSp3nssTdlqvd0tIiTHU~",")
loo_SbRsaJwk.Append("~"qi~":~"IYd7DHOhrWvxkwPQsRM2tOgrjbcrfvtQJipd-DlcxyVuuM9sQLdgjVk2o")
loo_SbRsaJwk.Append("y26F0EmpScGLq2MowX7fhd_QJQ3ydy5cY7YIBi87w93IKLEdfnbJtoOPLU")
loo_SbRsaJwk.Append("W0ITrJReOgo1cq9SbsxYawBgfp_gh6A5603k2-ZQwVK0JKSHuLFkuQ3U~"")
loo_SbRsaJwk.Append("}")
loo_RsaKey = create oleobject
li_rc = loo_RsaKey.ConnectToNewObject("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..)
li_Success = loo_RsaKey.LoadJwk(loo_SbRsaJwk.GetAsString())
if li_Success <> 1 then
Write-Debug loo_RsaKey.LastErrorText
destroy loo_SbRsaJwk
destroy loo_RsaKey
return
end if
// ---------------------------------------------------
// Use the following ECC key loaded from JWK format.
loo_SbEccJwk = create oleobject
li_rc = loo_SbEccJwk.ConnectToNewObject("Chilkat.StringBuilder")
loo_SbEccJwk.Append("{~"kty~":~"EC~",")
loo_SbEccJwk.Append("~"crv~":~"P-256~",")
loo_SbEccJwk.Append("~"x~":~"f83OJ3D2xF1Bg8vub9tLe1gHMzV76e8Tus9uPHvRVEU~",")
loo_SbEccJwk.Append("~"y~":~"x_FEzRu9m36HLN_tue659LNpXW6pCyStikYjKIWI5a0~",")
loo_SbEccJwk.Append("~"d~":~"jpsQnnGQmL-YBIffH1136cspYG6-0iY7X1fCE9-E9LI~"")
loo_SbEccJwk.Append("}")
loo_EccKey = create oleobject
li_rc = loo_EccKey.ConnectToNewObject("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..)
li_Success = loo_EccKey.LoadJwk(loo_SbEccJwk.GetAsString())
if li_Success <> 1 then
Write-Debug loo_EccKey.LastErrorText
destroy loo_SbRsaJwk
destroy loo_RsaKey
destroy loo_SbEccJwk
destroy loo_EccKey
return
end if
// ---------------------------------------------------
// The HMAC key (in base64url format)
ls_HmacKey = "AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow"
// ---------------------------------------------------
// Prepare the headers..
// RSASSA-PKCS1-v1_5 SHA-256
loo_JwsProtHdr0 = create oleobject
li_rc = loo_JwsProtHdr0.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsProtHdr0.AppendString("alg","RS256")
loo_JwsUnprotHdr0 = create oleobject
li_rc = loo_JwsUnprotHdr0.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsUnprotHdr0.AppendString("kid","myRsaKey")
// ECDSA using P-256 and SHA-256
loo_JwsProtHdr1 = create oleobject
li_rc = loo_JwsProtHdr1.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsProtHdr1.AppendString("alg","ES256")
loo_JwsUnprotHdr1 = create oleobject
li_rc = loo_JwsUnprotHdr1.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsUnprotHdr1.AppendString("kid","myEcKey")
// HMAC using SHA-256
loo_JwsProtHdr2 = create oleobject
li_rc = loo_JwsProtHdr2.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsProtHdr2.AppendString("alg","HS256")
loo_JwsUnprotHdr2 = create oleobject
li_rc = loo_JwsUnprotHdr2.ConnectToNewObject("Chilkat.JsonObject")
loo_JwsUnprotHdr2.AppendString("kid","myMacKey")
// ---------------------------------------------------
// First set the JWS headers, keys, and payload, then we'll create the JWS...
loo_Jws = create oleobject
li_rc = loo_Jws.ConnectToNewObject("Chilkat.Jws")
loo_Jws.SetProtectedHeader(0,loo_JwsProtHdr0)
loo_Jws.SetUnprotectedHeader(0,loo_JwsUnprotHdr0)
loo_Jws.SetProtectedHeader(1,loo_JwsProtHdr1)
loo_Jws.SetUnprotectedHeader(1,loo_JwsUnprotHdr1)
loo_Jws.SetProtectedHeader(2,loo_JwsProtHdr2)
loo_Jws.SetUnprotectedHeader(2,loo_JwsUnprotHdr2)
loo_Jws.SetPrivateKey(0,loo_RsaKey)
loo_Jws.SetPrivateKey(1,loo_EccKey)
loo_Jws.SetMacKey(2,ls_HmacKey,"base64url")
li_BIncludeBom = 0
ls_PayloadStr = "In our village, folks say God crumbles up the old moon into stars."
loo_Jws.SetPayload(ls_PayloadStr,"utf-8",li_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.
ls_JwsStr = loo_Jws.CreateJws()
if loo_Jws.LastMethodSuccess <> 1 then
Write-Debug loo_Jws.LastErrorText
destroy loo_SbRsaJwk
destroy loo_RsaKey
destroy loo_SbEccJwk
destroy loo_EccKey
destroy loo_JwsProtHdr0
destroy loo_JwsUnprotHdr0
destroy loo_JwsProtHdr1
destroy loo_JwsUnprotHdr1
destroy loo_JwsProtHdr2
destroy loo_JwsUnprotHdr2
destroy loo_Jws
return
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..
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")
loo_Json.Load(ls_JwsStr)
loo_Json.EmitCompact = 0
Write-Debug loo_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"
// }
// ]
// }
destroy loo_SbRsaJwk
destroy loo_RsaKey
destroy loo_SbEccJwk
destroy loo_EccKey
destroy loo_JwsProtHdr0
destroy loo_JwsUnprotHdr0
destroy loo_JwsProtHdr1
destroy loo_JwsUnprotHdr1
destroy loo_JwsProtHdr2
destroy loo_JwsUnprotHdr2
destroy loo_Jws
destroy loo_Json