SOMA ATLAS merges the flexibility and security of our multi-application KIAT OS® with the functionality of Calypso, the leading operating system for transit applications.

SOMA ATLAS V1's operating system is Calypso Rev. 3.1 certified, and SOMA ATLAS V1.C1 is compliant with Calypso Specification Rev.3 and with Cipurse open standard specs.

Key features:

Both products feature a large flash memory capable of loading multiple contracts and cost-effective tokens. Their operating systems include:

• KIAT functionalities
• ISO 7816-4 compliant data structure
• Active Authentication / PIN
• Transaction management
• Secure messaging
• Rollback functionality

SOMA ATLAS V1's and SOMA ATLAS V1.C1's COS Cryptographic algorithms are:

• Cipher: DES (TDES, DESX) ECB-CBC
• Signature: DES MAC8
• MAC: ISO 9797, ISO 10118
• Checksum: CRC16/CRC32
• Random Number: Secure Random
• Message digest: SHA-1, SHA-256
• DES Key Size: up to 120-bit