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S2X Crypto

NIS-certified cryptographic module requiring KCMVP validation

S2X Crypto

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The Korean Cryptographic Module Validation Program (KCMVP) is a program introduced to securely protect important business data communicated or stored by the government, public institutions, and enterprises.


SAESOL Tech’s cryptographic module, S2X Crypto, successfully completed validation at Security Level 1 through KCMVP, proving it is safe and reliable.

It also enables easy application of KCMVP by providing OpenSSL API compatibility.

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Key Functions


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Provides validated and non-validated operating modes

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Provides validated and non-validated operating modes

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Optimized implementations for x86 and ARM environments

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Integrity guaranteed within the library itself without separate integrity-check files

Why, S2X Crypto


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Secured KCMVP validation


  • Broad algorithm support in operating environments targeting embedded and server environments
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Efficient implementation


  • High performance through implementations optimized by operating environment
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Provides OpenSSL API compatibility


  • Strengthening security functions across various domains
  • Video/sensor-based mobility services / smart city CCTV / drone control / military video transmission

Strengthening security functions across various domains


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Video/sensor-based mobility services

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Smart City CCTV

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Drone Control

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Military Video Transmission

Supported algorithms


Block cipher

ARIA-128 / CBC, CTR, ECB, GCM

Hash function

SHA-256

SHA-384

Message authentication

HMAC / SHA-256, SHA-384

Random number generator

CTR-DRBG (no DF noPR) / ARIA-128

Digital signature

ECDSA / P-256 / SHA-256

Key agreement

ECDH / P-256

Key derivation

PBKDF / SHA-256

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Are you looking for link encryption for drone communications or CCTV encryption?

Meet S2X Secure Link


NIS-certified cryptographic module (KCMVP)

Link encryption solution using S2X Crypto

Do more with connectivity


Ready to Transform Your Mobility Security?