Hi John, my application also like same type of error what message will send back to app reviewer. Thanks

I have generated public and private keys using curve25519.keyAgreement , but our keys length is different for android generated key length and format also. so have struck for after generating public keys and private keys converted into ASN.1 and PEM format, Thank you

Thank you, I tried this procedure. Backend api expect same keys like { "privateKey": "-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----", "errorInfo": null, "KeyMaterials": { "cryptoAlg": "ECDH", "curve": "curve25519", "params": "", "DHPublicKey": { "expiry": "2021-12-15T11:29:20.848Z", "Parameter": "", "KeyValue": "-----BEGIN PUBLIC KEY-----MIIBMTCB6gYHKoZIzj0CATCB3gIBATArBgcqhkjOPQEBAiB/////////////////////////////////////////7TBEBCAqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqYSRShRAQge0Je0Je0Je0Je0Je0Je0Je0Je0Je0Je0JgtenHcQyGQEQQQqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq0kWiCuGaG4oIa04B7dLHdI0UySPU1+bXxhsinpxaJ+ztPZAiAQAAAAAAAAAAAAAAAAAAAAFN753qL3nNZYEmMaXPXT7QIBCANCAARuesOo7QMm9k+qILijTeh7yz0HU9DJrPIAnqVudaaG6w0/1n1ySnxa+X0bjWpUvmJA0IIKHO8baWBXp9BC4mMW-----END PUBLIC KEY-----" } } } Please suggest me

Yes,

Need to convert pem formart like length also same for java Bouncy castle