Direct signature signing example

URL encoded string as recived.

responseCode=65802&responseMessage=3DS+authentication+required&responseStatus=2&merchantID=100856&merchantWebsite=https%3A%2F%2Fwww.cardstream.com%2F&merchantCategoryCode=8999&cardCVVMandatory=Y&threeDSEnabled=Y&threeDSCheckPref=attempted+authentication%2Cauthenticated&threeDSPolicy=1&riskCheckEnabled=N&avscv2CheckEnabled=N&surchargeEnabled=N&notifyEmailRequired=Y&customerReceiptsRequired=N&eReceiptsEnabled=N&__wafRequestID=2024-05-13T14%3A15%3A57Z%7C35d2e7fefd%7C209.38.167.248%7CldEReFgSHL&action=SALE&amount=150&cardExpiryYear=22&cardExpiryMonth=12&countryCode=826&currencyCode=826&customerAddress=Flat+6+Primrose+Rise+347+Lavender+Road+Northampton&customerEmail=email%40exampledomainnamehere.com&customerName=MrMrs+Tester&customerPostCode=NN17+8YG&type=1&orderRef=Test&duplicateDelay=0&remoteAddress=127.0.0.1&threeDSRedirectURL=https%3A%2F%2Flocalhost%2F%3F3dscallback&deviceChannel=browser&deviceIdentity=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F124.0.0.0+Safari%2F537.36&deviceTimeZone=0&deviceScreenResolution=1x1x1&deviceAcceptContent=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.7&deviceAcceptEncoding=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.9&deviceAcceptLanguage=en-GB%2Cen-US%3Bq%3D0.9%2Cen%3Bq%3D0.8&callbackURL=https%3A%2F%2Fwebhook.site%2Fd019e5fa-661f-4ffb-9ec9-870bcde0c33e&requestID=6642209d81604&customerPostcode=NN17+8YG&merchantAlias=100856&initiator=consumer&state=received&requestMerchantID=100856&processMerchantID=100856&paymentMethod=card&cardType=Visa+Credit&cardTypeCode=VC&cardScheme=Visa&cardSchemeCode=VC&cardIssuer=BARCLAYS+BANK+UK+PLC&cardIssuerCountry=United+Kingdom&cardIssuerCountryCode=GBR&cardFlags=339673088&cardNumberMask=492942%2A%2A%2A%2A%2A%2A0821&cardNumberValid=Y&xref=24051315HZ15QJ57ZH57FZL&cardExpiryDate=1222&threeDSVersion=2.1.0&threeDSEnrolled=Y&threeDSXID=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSRef=UDNLRVk6dHJhbnNhY3Rpb25JRD0zMjMyNDUyNjQmbWVyY2hhbnRJRD0xMDA4NTYmX19saWZlX189MTcxNTYxMTU1Nw%3D%3D&deviceIpAddress=127.0.0.1&transactionID=323245264&threeDSResponseCode=65802&threeDSResponseMessage=3DS+authentication+required&threeDSVETimestamp=2024-05-13+15%3A15%3A57&threeDSCheck=not+checked&threeDSURL=https%3A%2F%2Facs.3ds-pit.com%2F%3Fmethod&threeDSRequest%5BthreeDSMethodData%5D=eyJ0aHJlZURTTWV0aG9kTm90aWZpY2F0aW9uVVJMIjoiaHR0cHM6Ly9sb2NhbGhvc3QvPzNkc2NhbGxiYWNrPSZ0aHJlZURTQWNzUmVzcG9uc2U9bWV0aG9kIiwidGhyZWVEU1NlcnZlclRyYW5zSUQiOiI5ZjM0YzAyMC00MjA0LTRiY2MtOTBlZi1mMzI3ZGMxYTYzNDIifQ&threeDSDetails%5BtransID%5D=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSDetails%5Bversion%5D=2.1.0&threeDSDetails%5Bversions%5D=2.2.0%2C2.1.0&threeDSDetails%5Bfallback%5D=N&threeDSDetails%5BissuerCountryCode%5D=826&threeDSDetails%5BacquirerCountryCode%5D=826&threeDSDetails%5Bpsd2Region%5D=Y&threeDSDetails%5BrequestorChallengeIndicator%5D=01&vcsResponseCode=0&vcsResponseMessage=Success+-+no+velocity+check+rules+applied&currencyExponent=2&amountRetained=0&timestamp=2024-05-13+15%3A15%3A57&merchantID2=100856&signature=949d4fcaeef9c3132be2855b2f23b3d3059e0c22e4327985c1c7f22ef3f92b22f2fa1578e18d422b7bb167dd955375878297447c8d42550f6231cc7aff4b5931

URL encoded string with signature removed.

responseCode=65802&responseMessage=3DS+authentication+required&responseStatus=2&merchantID=100856&merchantWebsite=https%3A%2F%2Fwww.cardstream.com%2F&merchantCategoryCode=8999&cardCVVMandatory=Y&threeDSEnabled=Y&threeDSCheckPref=attempted+authentication%2Cauthenticated&threeDSPolicy=1&riskCheckEnabled=N&avscv2CheckEnabled=N&surchargeEnabled=N&notifyEmailRequired=Y&customerReceiptsRequired=N&eReceiptsEnabled=N&__wafRequestID=2024-05-13T14%3A15%3A57Z%7C35d2e7fefd%7C209.38.167.248%7CldEReFgSHL&action=SALE&amount=150&cardExpiryYear=22&cardExpiryMonth=12&countryCode=826&currencyCode=826&customerAddress=Flat+6+Primrose+Rise+347+Lavender+Road+Northampton&customerEmail=email%40exampledomainnamehere.com&customerName=MrMrs+Tester&customerPostCode=NN17+8YG&type=1&orderRef=Test&duplicateDelay=0&remoteAddress=127.0.0.1&threeDSRedirectURL=https%3A%2F%2Flocalhost%2F%3F3dscallback&deviceChannel=browser&deviceIdentity=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F124.0.0.0+Safari%2F537.36&deviceTimeZone=0&deviceScreenResolution=1x1x1&deviceAcceptContent=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.7&deviceAcceptEncoding=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.9&deviceAcceptLanguage=en-GB%2Cen-US%3Bq%3D0.9%2Cen%3Bq%3D0.8&callbackURL=https%3A%2F%2Fwebhook.site%2Fd019e5fa-661f-4ffb-9ec9-870bcde0c33e&requestID=6642209d81604&customerPostcode=NN17+8YG&merchantAlias=100856&initiator=consumer&state=received&requestMerchantID=100856&processMerchantID=100856&paymentMethod=card&cardType=Visa+Credit&cardTypeCode=VC&cardScheme=Visa&cardSchemeCode=VC&cardIssuer=BARCLAYS+BANK+UK+PLC&cardIssuerCountry=United+Kingdom&cardIssuerCountryCode=GBR&cardFlags=339673088&cardNumberMask=492942%2A%2A%2A%2A%2A%2A0821&cardNumberValid=Y&xref=24051315HZ15QJ57ZH57FZL&cardExpiryDate=1222&threeDSVersion=2.1.0&threeDSEnrolled=Y&threeDSXID=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSRef=UDNLRVk6dHJhbnNhY3Rpb25JRD0zMjMyNDUyNjQmbWVyY2hhbnRJRD0xMDA4NTYmX19saWZlX189MTcxNTYxMTU1Nw%3D%3D&deviceIpAddress=127.0.0.1&transactionID=323245264&threeDSResponseCode=65802&threeDSResponseMessage=3DS+authentication+required&threeDSVETimestamp=2024-05-13+15%3A15%3A57&threeDSCheck=not+checked&threeDSURL=https%3A%2F%2Facs.3ds-pit.com%2F%3Fmethod&threeDSRequest%5BthreeDSMethodData%5D=eyJ0aHJlZURTTWV0aG9kTm90aWZpY2F0aW9uVVJMIjoiaHR0cHM6Ly9sb2NhbGhvc3QvPzNkc2NhbGxiYWNrPSZ0aHJlZURTQWNzUmVzcG9uc2U9bWV0aG9kIiwidGhyZWVEU1NlcnZlclRyYW5zSUQiOiI5ZjM0YzAyMC00MjA0LTRiY2MtOTBlZi1mMzI3ZGMxYTYzNDIifQ&threeDSDetails%5BtransID%5D=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSDetails%5Bversion%5D=2.1.0&threeDSDetails%5Bversions%5D=2.2.0%2C2.1.0&threeDSDetails%5Bfallback%5D=N&threeDSDetails%5BissuerCountryCode%5D=826&threeDSDetails%5BacquirerCountryCode%5D=826&threeDSDetails%5Bpsd2Region%5D=Y&threeDSDetails%5BrequestorChallengeIndicator%5D=01&vcsResponseCode=0&vcsResponseMessage=Success+-+no+velocity+check+rules+applied&currencyExponent=2&amountRetained=0&timestamp=2024-05-13+15%3A15%3A57&merchantID2=100856

signature=949d4fcaeef9c3132be2855b2f23b3d3059e0c22e4327985c1c7f22ef3f92b22f2fa1578e18d422b7bb167dd955375878297447c8d42550f6231cc7aff4b5931

URL encoded string sorted

__wafRequestID=2024-05-13T14%3A15%3A57Z%7C35d2e7fefd%7C209.38.167.248%7CldEReFgSHL&action=SALE&amount=150&amountRetained=0&avscv2CheckEnabled=N&callbackURL=https%3A%2F%2Fwebhook.site%2Fd019e5fa-661f-4ffb-9ec9-870bcde0c33e&cardCVVMandatory=Y&cardExpiryDate=1222&cardExpiryMonth=12&cardExpiryYear=22&cardFlags=339673088&cardIssuer=BARCLAYS+BANK+UK+PLC&cardIssuerCountry=United+Kingdom&cardIssuerCountryCode=GBR&cardNumberMask=492942%2A%2A%2A%2A%2A%2A0821&cardNumberValid=Y&cardScheme=Visa&cardSchemeCode=VC&cardType=Visa+Credit&cardTypeCode=VC&countryCode=826&currencyCode=826&currencyExponent=2&customerAddress=Flat+6+Primrose+Rise+347+Lavender+Road+Northampton&customerEmail=email%40exampledomainnamehere.com&customerName=MrMrs+Tester&customerPostCode=NN17+8YG&customerPostcode=NN17+8YG&customerReceiptsRequired=N&deviceAcceptContent=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.7&deviceAcceptEncoding=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.9&deviceAcceptLanguage=en-GB%2Cen-US%3Bq%3D0.9%2Cen%3Bq%3D0.8&deviceChannel=browser&deviceIdentity=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F124.0.0.0+Safari%2F537.36&deviceIpAddress=127.0.0.1&deviceScreenResolution=1x1x1&deviceTimeZone=0&duplicateDelay=0&eReceiptsEnabled=N&initiator=consumer&merchantAlias=100856&merchantCategoryCode=8999&merchantID=100856&merchantID2=100856&merchantWebsite=https%3A%2F%2Fwww.cardstream.com%2F&notifyEmailRequired=Y&orderRef=Test&paymentMethod=card&processMerchantID=100856&remoteAddress=127.0.0.1&requestID=6642209d81604&requestMerchantID=100856&responseCode=65802&responseMessage=3DS+authentication+required&responseStatus=2&riskCheckEnabled=N&state=received&surchargeEnabled=N&threeDSCheck=not+checked&threeDSCheckPref=attempted+authentication%2Cauthenticated&threeDSDetails%5BtransID%5D=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSDetails%5Bversion%5D=2.1.0&threeDSDetails%5Bversions%5D=2.2.0%2C2.1.0&threeDSDetails%5Bfallback%5D=N&threeDSDetails%5BissuerCountryCode%5D=826&threeDSDetails%5BacquirerCountryCode%5D=826&threeDSDetails%5Bpsd2Region%5D=Y&threeDSDetails%5BrequestorChallengeIndicator%5D=01&threeDSEnabled=Y&threeDSEnrolled=Y&threeDSPolicy=1&threeDSRedirectURL=https%3A%2F%2Flocalhost%2F%3F3dscallback&threeDSRef=UDNLRVk6dHJhbnNhY3Rpb25JRD0zMjMyNDUyNjQmbWVyY2hhbnRJRD0xMDA4NTYmX19saWZlX189MTcxNTYxMTU1Nw%3D%3D&threeDSRequest%5BthreeDSMethodData%5D=eyJ0aHJlZURTTWV0aG9kTm90aWZpY2F0aW9uVVJMIjoiaHR0cHM6Ly9sb2NhbGhvc3QvPzNkc2NhbGxiYWNrPSZ0aHJlZURTQWNzUmVzcG9uc2U9bWV0aG9kIiwidGhyZWVEU1NlcnZlclRyYW5zSUQiOiI5ZjM0YzAyMC00MjA0LTRiY2MtOTBlZi1mMzI3ZGMxYTYzNDIifQ&threeDSResponseCode=65802&threeDSResponseMessage=3DS+authentication+required&threeDSURL=https%3A%2F%2Facs.3ds-pit.com%2F%3Fmethod&threeDSVETimestamp=2024-05-13+15%3A15%3A57&threeDSVersion=2.1.0&threeDSXID=9f34c020-4204-4bcc-90ef-f327dc1a6342&timestamp=2024-05-13+15%3A15%3A57&transactionID=323245264&type=1&vcsResponseCode=0&vcsResponseMessage=Success+-+no+velocity+check+rules+applied&xref=24051315HZ15QJ57ZH57FZL

URL encoded string with merchant secret appended to the end

__wafRequestID=2024-05-13T14%3A15%3A57Z%7C35d2e7fefd%7C209.38.167.248%7CldEReFgSHL&action=SALE&amount=150&amountRetained=0&avscv2CheckEnabled=N&callbackURL=https%3A%2F%2Fwebhook.site%2Fd019e5fa-661f-4ffb-9ec9-870bcde0c33e&cardCVVMandatory=Y&cardExpiryDate=1222&cardExpiryMonth=12&cardExpiryYear=22&cardFlags=339673088&cardIssuer=BARCLAYS+BANK+UK+PLC&cardIssuerCountry=United+Kingdom&cardIssuerCountryCode=GBR&cardNumberMask=492942%2A%2A%2A%2A%2A%2A0821&cardNumberValid=Y&cardScheme=Visa&cardSchemeCode=VC&cardType=Visa+Credit&cardTypeCode=VC&countryCode=826&currencyCode=826&currencyExponent=2&customerAddress=Flat+6+Primrose+Rise+347+Lavender+Road+Northampton&customerEmail=email%40exampledomainnamehere.com&customerName=MrMrs+Tester&customerPostCode=NN17+8YG&customerPostcode=NN17+8YG&customerReceiptsRequired=N&deviceAcceptContent=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.7&deviceAcceptEncoding=text%2Fhtml%2Capplication%2Fxhtml%2Bxml%2Capplication%2Fxml%3Bq%3D0.9%2Cimage%2Favif%2Cimage%2Fwebp%2Cimage%2Fapng%2C%2A%2F%2A%3Bq%3D0.8%2Capplication%2Fsigned-exchange%3Bv%3Db3%3Bq%3D0.9&deviceAcceptLanguage=en-GB%2Cen-US%3Bq%3D0.9%2Cen%3Bq%3D0.8&deviceChannel=browser&deviceIdentity=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F124.0.0.0+Safari%2F537.36&deviceIpAddress=127.0.0.1&deviceScreenResolution=1x1x1&deviceTimeZone=0&duplicateDelay=0&eReceiptsEnabled=N&initiator=consumer&merchantAlias=100856&merchantCategoryCode=8999&merchantID=100856&merchantID2=100856&merchantWebsite=https%3A%2F%2Fwww.cardstream.com%2F&notifyEmailRequired=Y&orderRef=Test&paymentMethod=card&processMerchantID=100856&remoteAddress=127.0.0.1&requestID=6642209d81604&requestMerchantID=100856&responseCode=65802&responseMessage=3DS+authentication+required&responseStatus=2&riskCheckEnabled=N&state=received&surchargeEnabled=N&threeDSCheck=not+checked&threeDSCheckPref=attempted+authentication%2Cauthenticated&threeDSDetails%5BtransID%5D=9f34c020-4204-4bcc-90ef-f327dc1a6342&threeDSDetails%5Bversion%5D=2.1.0&threeDSDetails%5Bversions%5D=2.2.0%2C2.1.0&threeDSDetails%5Bfallback%5D=N&threeDSDetails%5BissuerCountryCode%5D=826&threeDSDetails%5BacquirerCountryCode%5D=826&threeDSDetails%5Bpsd2Region%5D=Y&threeDSDetails%5BrequestorChallengeIndicator%5D=01&threeDSEnabled=Y&threeDSEnrolled=Y&threeDSPolicy=1&threeDSRedirectURL=https%3A%2F%2Flocalhost%2F%3F3dscallback&threeDSRef=UDNLRVk6dHJhbnNhY3Rpb25JRD0zMjMyNDUyNjQmbWVyY2hhbnRJRD0xMDA4NTYmX19saWZlX189MTcxNTYxMTU1Nw%3D%3D&threeDSRequest%5BthreeDSMethodData%5D=eyJ0aHJlZURTTWV0aG9kTm90aWZpY2F0aW9uVVJMIjoiaHR0cHM6Ly9sb2NhbGhvc3QvPzNkc2NhbGxiYWNrPSZ0aHJlZURTQWNzUmVzcG9uc2U9bWV0aG9kIiwidGhyZWVEU1NlcnZlclRyYW5zSUQiOiI5ZjM0YzAyMC00MjA0LTRiY2MtOTBlZi1mMzI3ZGMxYTYzNDIifQ&threeDSResponseCode=65802&threeDSResponseMessage=3DS+authentication+required&threeDSURL=https%3A%2F%2Facs.3ds-pit.com%2F%3Fmethod&threeDSVETimestamp=2024-05-13+15%3A15%3A57&threeDSVersion=2.1.0&threeDSXID=9f34c020-4204-4bcc-90ef-f327dc1a6342&timestamp=2024-05-13+15%3A15%3A57&transactionID=323245264&type=1&vcsResponseCode=0&vcsResponseMessage=Success+-+no+velocity+check+rules+applied&xref=24051315HZ15QJ57ZH57FZLCircle4Take40Idea

SHA512 Hash of the above string

SHA51 Hash 949d4fcaeef9c3132be2855b2f23b3d3059e0c22e4327985c1c7f22ef3f92b22f2fa1578e18d422b7bb167dd955375878297447c8d42550f6231cc7aff4b5931

Signature in response 949d4fcaeef9c3132be2855b2f23b3d3059e0c22e4327985c1c7f22ef3f92b22f2fa1578e18d422b7bb167dd955375878297447c8d42550f6231cc7aff4b5931