Chilkat Examples

Chilkat • HOME • .NET Core C# • Android™ • AutoIt • C • C# • C++ • Chilkat2-Python • CkPython • Classic ASP • DataFlex • Delphi ActiveX • Delphi DLL • Go • Java • Lianja • Mono C# • Node.js • Objective-C • PHP ActiveX • PHP Extension • Perl • PowerBuilder • PowerShell • PureBasic • Ruby • SQL Server • Swift 2 • Swift 3,4,5... • Tcl • Unicode C • Unicode C++ • VB.NET • VBScript • Visual Basic 6.0 • Visual FoxPro • Xojo Plugin

Swift 3,4,5... Examples

Web API Categories

ASN.1
AWS KMS
AWS Misc
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Key Vault
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Cloud Signature CSC
Code Signing
Compression
DKIM / DomainKey
DNS
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
EBICS
ECC
Ed25519
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
GMail SMTP/IMAP/POP
Geolocation
Google APIs
Google Calendar
Google Cloud SQL
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text
HTTP

HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
MS Storage Providers
Microsoft Graph
Misc
NTLM
OAuth1
OAuth2
OIDC
Office365
OneDrive
OpenSSL
Outlook
Outlook Calendar
Outlook Contact
PDF Signatures
PEM
PFX/P12
PKCS11
POP3
PRNG
REST
REST Misc
RSA
SCP
SCard
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
ScMinidriver
SharePoint
SharePoint Online
Signing in the Cloud
Socket/SSL/TLS
Spider
Stream
Tar Archive
ULID/UUID
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl
uncategorized

 

 

 

(Swift 3,4,5...) TOTP Algorithm: Time-Based One-Time Password Algorithm

Demonstrates how to generate an time-based one-time password (TOTP) as specified in RFC 6238. This is the algorithm used by Google Authenticator.

Note: This example requires Chilkat v9.5.0.77 or greater.

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let crypt = CkoCrypt2()!

    // Duplicate the following results from RFC 6238

    // TOTP Algorithm: Test Values
    // 
    // +-------------+--------------+------------------+----------+--------+
    // |  Time (sec) |   UTC Time   | Value of T (hex) |   TOTP   |  Mode  |
    // +-------------+--------------+------------------+----------+--------+
    // |      59     |  1970-01-01  | 0000000000000001 | 94287082 |  SHA1  |
    // |             |   00:00:59   |                  |          |        |
    // |      59     |  1970-01-01  | 0000000000000001 | 46119246 | SHA256 |
    // |             |   00:00:59   |                  |          |        |
    // |      59     |  1970-01-01  | 0000000000000001 | 90693936 | SHA512 |
    // |             |   00:00:59   |                  |          |        |
    // |  1111111109 |  2005-03-18  | 00000000023523EC | 07081804 |  SHA1  |
    // |             |   01:58:29   |                  |          |        |
    // |  1111111109 |  2005-03-18  | 00000000023523EC | 68084774 | SHA256 |
    // |             |   01:58:29   |                  |          |        |
    // |  1111111109 |  2005-03-18  | 00000000023523EC | 25091201 | SHA512 |
    // |             |   01:58:29   |                  |          |        |
    // |  1111111111 |  2005-03-18  | 00000000023523ED | 14050471 |  SHA1  |
    // |             |   01:58:31   |                  |          |        |
    // |  1111111111 |  2005-03-18  | 00000000023523ED | 67062674 | SHA256 |
    // |             |   01:58:31   |                  |          |        |
    // |  1111111111 |  2005-03-18  | 00000000023523ED | 99943326 | SHA512 |
    // |             |   01:58:31   |                  |          |        |
    // |  1234567890 |  2009-02-13  | 000000000273EF07 | 89005924 |  SHA1  |
    // |             |   23:31:30   |                  |          |        |
    // |  1234567890 |  2009-02-13  | 000000000273EF07 | 91819424 | SHA256 |
    // |             |   23:31:30   |                  |          |        |
    // |  1234567890 |  2009-02-13  | 000000000273EF07 | 93441116 | SHA512 |
    // |             |   23:31:30   |                  |          |        |
    // |  2000000000 |  2033-05-18  | 0000000003F940AA | 69279037 |  SHA1  |
    // |             |   03:33:20   |                  |          |        |
    // |  2000000000 |  2033-05-18  | 0000000003F940AA | 90698825 | SHA256 |
    // |             |   03:33:20   |                  |          |        |
    // |  2000000000 |  2033-05-18  | 0000000003F940AA | 38618901 | SHA512 |
    // |             |   03:33:20   |                  |          |        |
    // | 20000000000 |  2603-10-11  | 0000000027BC86AA | 65353130 |  SHA1  |
    // |             |   11:33:20   |                  |          |        |
    // | 20000000000 |  2603-10-11  | 0000000027BC86AA | 77737706 | SHA256 |
    // |             |   11:33:20   |                  |          |        |
    // | 20000000000 |  2603-10-11  | 0000000027BC86AA | 47863826 | SHA512 |
    // |             |   11:33:20   |                  |          |        |
    // +-------------+--------------+------------------+----------+--------+

    // Seed for HMAC-SHA1
    var seed: String? = "3132333435363738393031323334353637383930"

    // Seed for HMAC-SHA256 - 32 bytes
    var seed32: String? = "3132333435363738393031323334353637383930313233343536373839303132"

    // Seed for HMAC-SHA512 - 64 bytes
    var seed64: String? = "31323334353637383930313233343536373839303132333435363738393031323334353637383930313233343536373839303132333435363738393031323334"

    // See the online reference documentation for an explanation of arguments.
    print("TOTP(59,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "59", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(59,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "59", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(59,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "59", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    print("TOTP(1111111109,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "1111111109", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(1111111109,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "1111111109", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(1111111109,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "1111111109", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    print("TOTP(1111111111,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "1111111111", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(1111111111,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "1111111111", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(1111111111,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "1111111111", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    print("TOTP(1234567890,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "1234567890", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(1234567890,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "1234567890", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(1234567890,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "1234567890", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    print("TOTP(2000000000,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "2000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(2000000000,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "2000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(2000000000,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "2000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    print("TOTP(20000000000,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "20000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(20000000000,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "20000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(20000000000,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "20000000000", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

    // Note: To compute the TOTP using the current system date/time, pass an empty string instead of an explicit time.
    // For example:
    print("TOTP(CurrentSystemTime,sha1) \(crypt.totp(seed, secretEnc: "hex", t0: "0", tNow: "", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha1")!)")
    print("TOTP(CurrentSystemTime,sha256) \(crypt.totp(seed32, secretEnc: "hex", t0: "0", tNow: "", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha256")!)")
    print("TOTP(CurrentSystemTime,sha512) \(crypt.totp(seed64, secretEnc: "hex", t0: "0", tNow: "", tStep: 30, numDigits: 8, truncOffset: -1, hashAlg: "sha512")!)")

}
 

© 2000-2024 Chilkat Software, Inc. All Rights Reserved.