Signature Hash


Hashing Algorithm SHA512
SignatureKey Signature Key received from the registered EMAIL.
NOTE
  • The combined string shall be UPPERCASED before the SHA512 hash computation.
  • Amount shall always convert to two decimal places and consists only of digits. e.g 100.00 shall be converted to 10000 , 1 shall be converted to 100

Compute the SHA512 signature hash using the input format as below :


Payment Request Signature Calculation

Sha512 (SIGNATUREKEY ; CID ; V_CARTID ; V_AMOUNT ; V_CURRENCY)

Example Combined String


ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789;M102-U-999;GKASHPO-12345;10000;MYR


Payment Response Signature Verification

Sha512 (SIGNATUREKEY ; CID ; POID ; V_CARTID ; V_AMOUNT ; V_CURRENCY ; status)

Example Combined String


ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789;M102-U-999;GKASHPO-12345;10000;MYR;88 - TRANSFERRED


Query & Refund Request Signature Calculation

Sha512 (SIGNATUREKEY ; CID ; CARTID ; AMOUNT ; CURRENCY)

Example Combined String


ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789;M102-U-999;GKASHPO-12345;10000;MYR


SHA512 Hash Function

SHA512 Hash Function

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