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SM4 Encoder and Decoder
SM4 (former name “SMS4”) is a cryptographic standard published by the Office of State Commercial Cryptography Administration (OSCCA) of SCA as an industry cryptographic standard in 2012, and formalized as a Chinese National Standard (GB Standard) [GBT.32907-2016] in 2016. SM4 has also been standardized in [ISO.IEC.18033-3.AMD2] by the International Organization for Standardization in 2017 and adopted in TPM2.0 by the Trust Computing Group (TCG). Now SM4 is adopted in architectures Armv8.2-A and later.
Compliant with SM4 specifications, CYB-SM4 is an ideal solution for wireless communication, payment products and IoT devices with high implementation performance. It is fastly and easily integrated into ASIC and FPGA applications.
Compliant with SM4 specifications, CYB-SM4 is an ideal solution for wireless communication, payment products and IoT devices with high implementation performance. It is fastly and easily integrated into ASIC and FPGA applications.
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Block Diagram of the SM4 Encoder and Decoder

SM4 IP
- Secure-IC Securyzr™ Tunable Cryptography solutions with embedded side-channel protections: AES - SHA2 - SHA3 - PKC - RSA - ECC - ML-KEM - ML-DSA - XMSS - LMS - SM2 - SM3 - SM4 - Whirlpool - CHACHA20 - Poly1305
- Secure-IC's Securyzr™ Tunable SM4 Hardware accelerator with SCA protections
- Secure-IC's Securyzr(TM) SM4 Crypto Engine
- Security Protocol Accelerator for SM3 and SM4
- Secure-IC's Securyzr™ SM4-GCM Multi-Booster
- SM4 Crypto Accelerator