等密 meaning in Chinese

isopycnic level

Universal key management system realizes its function through software encryption algorithm and key - memory issuing functions itself through master - card . sjy49 uses key management platform by hardwares . the algorithm used in the generation , diffusion , eduction and transfer of the key is approved by the state competent department . the implementation of algorithm is functioned by the encryption equipment recognized by the state competent department
通用密钥管理系统采用软件密码算法，密钥存储分发等采用母卡方式实现； sjy49银行ic卡密钥管理系统采用硬件化的密钥管理平台，密钥的生成、分散、导出、传输等密钥管理功能使用的算法是经国家主管部门审定通过的算法，算法的实现使用经国家主管部门审定通过的硬件加密设备。
Signature and verification systems , such as ecdsa etc , the discuss about key exchange systems such as deffie - hellman systeme , etc . this thesis also discussed several applications and information safety products of the elliptic curve cryptosystems at the finite field too , such as digital signature , the group signature , the application in the smart card
Ecdsa等签名验证体制的选取， deffie - hellman等密钥交换体制的研究。论文也讨论了基于有限域上椭圆曲线公钥密码系统的若干应用和信息安全产品，如数字签名，组签名，在智能卡中的应用。