ESCRYPT CycurLIB

Powerful cryptographic library for the security of your embedded systems

ESCRYPT CycurLIB is a comprehensive and customizable cryptographic library. It has acquired a solid reputation over many years for its outstanding performance in resource-constrained environments. ESCRYPT CycurLIB is developed with ASPICE (level 2) and ISO 26262 (up to ASIL D) compliant processes and supports all common cryptographic algorithms and certificate standards (incl. Chinese standards).

ESCRYPT CycurLIB configuration tool for managing cryptographic functions in embedded systems

Your benefits

Flexible use

Runs on all platforms and can be optimized for different processors regarding speed, RAM, and ROM.

AUTOSAR-compliant

Supports AUTOSAR and non-AUTOSAR configurations.

Long-term secure

Geared to new cybersecurity regulations (ISO/SAE21434) with long-term support and maintenance.

Proven quality and professional support

A table comparing freeware cryptographic libraries and professional, application-specific cryptographic libraries — In contrast to freeware crypto libraries, ESCRYPT CycurLIB is geared to customer-specific requirements and offers quality-assured software development and competent support.

Features

Supported symmetric algorithms

Supported symmetric algorithms

Hash functions: SHA-2
Symmetric encryption: AES, ChaCha20
Message authentication codes (MAC): HMAC with SHA-2, CMAC with AES, SipHash
Random number generation: Hash-DRBG, HMAC_DRBG

Numbers zero and two with two people discussing

Supported asymmetric algorithms

Supported asymmetric algorithms

Signature generation and verification: RSA with PKCS#1-PSS / PKCS#1-V1_5, ECDSA, Ed25519
Key generation: Curve25519
Key agreement: Curve25519, ECDH
Certificates: X.509 parser

Low footprint

ESCRYPT CycurLIB has an impressively small resource footprint and minimal resource consumption.

CycurLIB on board of millions of Volkswagen vehicles

shows a parking lot with many vehicles from a bird's eye view

ESCRYPT CycurLIB is the standard security software for securing in-vehicle communications and vehicle connectivity in Volkswagen cars. Above all, Volkswagen appreciates the comprehensive range of highly efficient implementations of common cryptographic functions, its resource efficiency, great portability, and platform independence. ESCRYPT CycurLIB is installed in millions of Volkswagen vehicles, ensuring a strong security basis that has proven its worth time and again.

Learn more

Explore our related use cases

Stay ahead of cyber threats with compliant automotive product security

Knowledge base

Practical guidance and expertise– our Knowledge Base is your central hub for in-depth insights into automotive software and engineering and provides you with practical information for your success.