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(Go) Get RSA Public Key in JWK Format (JSON Web Key)Demonstrates how to get an RSA public key in JWK (JSON Web Key) format. Note: This example requires Chilkat v9.5.0.66 or later.
// Note: This example requires Chilkat v9.5.0.66 or later. // Load a PEM file into memory. sbPem := chilkat.NewStringBuilder() success := sbPem.LoadFile("qa_data/pem/rsa_public.pem","utf-8") if success != true { fmt.Println("Failed to load PEM file.") sbPem.DisposeStringBuilder() return } // Load the PEM into a public key object. pubKey := chilkat.NewPublicKey() success = pubKey.LoadFromString(*sbPem.GetAsString()) if success != true { fmt.Println(pubKey.LastErrorText()) sbPem.DisposeStringBuilder() pubKey.DisposePublicKey() return } // Get the public key in JWK format: jwk := pubKey.GetJwk() // The GetJwk method will return the JWK in the most compact JSON format possible, // as a single line with no extra whitespace. To get a more human-readable JWK (for this example), // load into a Chilkat JSON object and emit non-compact: json := chilkat.NewJsonObject() json.Load(*jwk) json.SetEmitCompact(false) fmt.Println("RSA Public Key in JWK format:") fmt.Println(*json.Emit()) // Sample output: // { // "kty": "RSA", // "n": "33TqqLR3eeUmDtHS89qF3p4MP7Wfqt2Zjj3lZjLjjCGDvwr9cJNlNDiuKboODgUiT4ZdPWbOiMAfDcDzlOxA04DDnEFGAf-kDQiNSe2ZtqC7bnIc8-KSG_qOGQIVaay4Ucr6ovDkykO5Hxn7OU7sJp9TP9H0JH8zMQA6YzijYH9LsupTerrY3U6zyihVEDXXOv08vBHk50BMFJbE9iwFwnxCsU5-UZUZYw87Uu0n4LPFS9BT8tUIvAfnRXIEWCha3KbFWmdZQZlyrFw0buUEf0YN3_Q0auBkdbDR_ES2PbgKTJdkjc_rEeM0TxvOUf7HuUNOhrtAVEN1D5uuxE1WSw", // "e": "AQAB" // } // Additional information can be added like this: json.AppendString("use","enc") json.AppendString("kid","123ABC") // Now examine the JSON: fmt.Println(*json.Emit()) // { // "kty": "RSA", // "n": "33TqqLR3eeUmDtHS89qF3p4MP7Wfqt2Zjj3lZjLjjCGDvwr9cJNlNDiuKboODgUiT4ZdPWbOiMAfDcDzlOxA04DDnEFGAf-kDQiNSe2ZtqC7bnIc8-KSG_qOGQIVaay4Ucr6ovDkykO5Hxn7OU7sJp9TP9H0JH8zMQA6YzijYH9LsupTerrY3U6zyihVEDXXOv08vBHk50BMFJbE9iwFwnxCsU5-UZUZYw87Uu0n4LPFS9BT8tUIvAfnRXIEWCha3KbFWmdZQZlyrFw0buUEf0YN3_Q0auBkdbDR_ES2PbgKTJdkjc_rEeM0TxvOUf7HuUNOhrtAVEN1D5uuxE1WSw", // "e": "AQAB", // "use": "enc", // "kid": "123ABC" // } sbPem.DisposeStringBuilder() pubKey.DisposePublicKey() json.DisposeJsonObject() |
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