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Generate Key Pair (RS256)

Linux & Windows

Step 1: Generate Private Key

openssl genpkey -algorithm RSA -out duitnow_pay_priv.key -pkeyopt rsa_keygen_bits:2048

duitnow_pay_priv.key file will be generated with content like below,

-----BEGIN PRIVATE KEY----- MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDS1FoHuAOTqSmr GatYuIAEVKPefOlfpBUGcVAPyPXO6AXlXNe4ZIV/+1lwbo7oABaXmYdh6G3msn37 OFZxqsR6do37hBmEPRvfezhezJqrVmz92iayt5fg3F5S5+uRcnFafmCv0xHUVchf iyn29DkdUpyjqMFLdB3GCKGV73viJnEXC7x6Zc3ydZu4vuecD6+7gb9irdDNubjG eQxpPsi21eNv8zCEkb9D662/UiDw7MFXAu2jTaMpPiU1Kar2Dm4apWlUY53Yj6HP C8vCtrhE0anSw511ehdPW96tzF0mqr4aWRsz0CXMlkvso0mHqxHKsWMyzBvtFCE7 ABe0vZJ/AgMBAAECggEAVhhnx50qwMMlA/1QjsORa7NQ1Au4ldkAyQe/BSMw1lTE C501btSF+/Sd2p8bdryKfVAyDBaJwtsDPXMNQg/VepktdBfG/8ygtEuygmwVgYCi s6vBf9wfhrEXR83z0gqlJapUO5j7P/XkBLhk47dqF4Jj+yVwAish+XwO2JbaxUfl gP41LJnC1Vu0Ai15h9ORl3VMerUiEl0/8oZhCG4B/6VWH86f9bYZpBaQd12UMXe+ dZXeu8hEENChxMRADsjE2UdA3qx5EyME2zVl0+//wbjRIrcRCqVaaMsBF8WGYI6I HyWAEARh01o3IqVy9rKwq8zTBph5nKX7edvQwarBaQKBgQD1bDLkYMuEeA+hnnpx vi/PFgf5+qIxGvwDz7soZEjM7lgDLtyy6BMCH3i9qNe9CyZpNzdC4GTB+Enkr5Nk HQlUplmOtTLReblNQkd9szwOqyLNFjPYPihKzGRMSLlqpyNEa6ZcC5TqyOYnp0xr MtHbyE1xTaH5X0W9IdR7Ssz8zQKBgQDb6nqpQoY27fj0wbS2tT1T8rBhfsu1qk+R P6V+VLoK162tPYgrLE+bRPNNAdhRStWVKu+opCM9aTE3czFG4rsCTjI3mUG7R96k iLCDf9iZHLbv1WuWLQ1Rv01MaBc9n9eWyJhzBVUWYZxbDbEJPZkjWh6zytN9O7DV JO7dUgCMewKBgQCgjeo1UcWSoeDIAJ9l7d/lACqztO2KZnbcH3f3ErQ1rO9TFcM4 H27gAqrAmMaaW8MDLiYu0BHae44L13j7E6vY/wKzw4K9W36INoYCi9EMX5TiylWc b/14AYLUDPeP+EuwJSSuLr17Y3Z+Fop9zr9PoxhWuUzvkQ5Ujt8s0WCNOQKBgCCq sPPJjPRF3zBEQdrOC0EYELk6w3nFxbH2uVeNsGEB7quIM1zuZRjUYiuzNXXF3voc eaMcVpu9r3DkLJKyBUNvaCg4HLp8D4dzQn0WFY+Q41+23Rdes9bLyuipoaImxzh/ rZ2QUjZT44zm+MA9pSzKKztbypSUtEzFArJfhvNXAoGAXtlevTfhiHQ0AJzCYe8L TIxT6Xz3haEjDJoOPntIybR1E41aaApzmTPJYdi5faY7/CowSI3hcCoxqkt8K/Im Tko6JRVyiW5nhwx4w32TSHWsLqt0pJOsVDBVYA4e230CaEY9K5uQhhkQnAbAxBEV YauC4mlPLKyq3tYBMEBAKQQ= -----END PRIVATE KEY-----

Step 2: Generate CSR

Using the private key generated in Step 1, duitnow_pay_priv.key in case, to generate certificate sign request,

openssl req -out duitnow_pay.csr -key duitnow_pay_priv.key -new -sha256

Questions will be prompted during CSR generation, please answer by referring the following tables, skip challenge password,

Country Name (C)	Country Code: `MY`
State/County/Region (S)	State: `Kuala Lumpur`
City/Locality (L)	Postcode: `59200`
Organization Name (O)	Applicant's organization name. For example:`MerchantX Sdn Bhd`
Organizational Unit (OU)	Indicate the name of the product or service. For example: `DuitNow Pay`
Common Name (CN)	Assign the appropriate value based on your application type: `Project ID` (Project ID can be found after a project created in Developer Portal)
Email Address (E)	Business email address

You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [XX]:MY State or Province Name (full name) []:Kuala Lumpur Locality Name (eg, city) [Default City]:59200 Organization Name (eg, company) [Default Company Ltd]:MerchantX Sdn Bhd Organizational Unit Name (eg, section) []:DuitNow Pay Common Name (eg, your name or your server's hostname) []:P12345678 Email Address []:support@merchantX.my

Please enter the following 'extra' attributes to be sent with your certificate request A challenge password []: An optional company name []:

duitnow_pay.csr file will be generated with content like below,

-----BEGIN CERTIFICATE REQUEST----- MIIC6DCCAdACAQAwgaIxCzAJBgNVBAYTAk1ZMRUwEwYDVQQIDAxLdWFsYSBMdW1w dXIxDjAMBgNVBAcMBTU5MjAwMRowGAYDVQQKDBFNZXJjaGFudFggU2RuIEJoZDEY MBYGA1UECwwPUGF5TmV0IENoZWNrb3V0MREwDwYDVQQDDAhNMDAwMDIzMzEjMCEG CSqGSIb3DQEJARYUc3VwcG9ydEBtZXJjaGFudFgubXkwggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQDJZon2qSPBcaY+XebVjUGkR4qJd1FILJ5dBbPFcV6W 4rTMYYYyYNPelBnJDLdcI6/8M3xtD/0mVRNGoVifaQ731WNjboYTjKbhygSBnq/c Y1OU4NHqS40pFKT6Dc473K//hJYX9z9bj8u33DEnu9wWlGqR31lRPJnSg6uM3YCM 98eCywCZRNMUSiNedUyxjCd69VwMQCkzyfdh/WHSPV4qOd0VU8ftu8neuN4SX8D7 7ribClCgCCMZ1BVo9Btzq/c3SaLKWDqoHW8KSDKaCI4rrMo1o/tiobnPnU5ujSBw prVQN7wTV2S0YM/h4TbY2V59k4iB/onBvKxVxSuSDEHnAgMBAAGgADANBgkqhkiG 9w0BAQsFAAOCAQEAXc8h65yBnRtVKLaM0wx3A4dCmZQZEMFZYevtSWBTKz/tFrpB BpYhwlgSQ6QivJsSjwOe/vgQOZtDyOg2/+yCtQjfwmKe/+4Vbtp6w3EktuTIA2Ia RCkoCeeqRTB5PigGu7fLMGUVhM6G7A/g1Fgi51O7EZMcO279hoIPtP3lo3zD4ASc 3wNAe7PE82afoATxekHxIJS9zS0qNGjqFXYgYKU8FXhEqsVrkEsaOTTc3/akmcBR smHhy6TWwCz3sOjQp8l+4UYaUsKwbtI1+ejWZSkMGkE3EoS8oOOs/YPiAxwtRCgQ QLXYO5iRNSeOEaOcSgdvxvTj0oJt8FLft5KX4A== -----END CERTIFICATE REQUEST-----

Step 3: Upload duitnow_pay.csr to Developer Portal during system verification stage.

Linux & Windows