发明名称 |
PUBLIC KEY CRYPTOSYSTEM USING FINITE NON ABELIAN GROUPS |
摘要 |
The present invention relates to a method of encryption and decryption comprises the steps of: selecting a generator and a first element of a first non abelian group, respectively, computing a first inner automorphism which is used as a first public key, and generating a second public key by using a secret key being a first integer and the first public key; expressing a plain text by a product of generator of a second non abelian group, computing a second inner automorphism by using an arbitrary second integer and the first public key, computing a third inner automorphism by using the second integer and the second public key, and generating a ciphertext by using the third inner automorphism; and generating a fourth inner automorphism by using the secret key and the second inner automorphism, and decrypting the ciphertext by using the fourth inner automorphism. |
申请公布号 |
WO03007539(A1) |
申请公布日期 |
2003.01.23 |
申请号 |
WO2001KR01747 |
申请日期 |
2001.10.17 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;PAENG, SEONG-HUN;HA, KIL-CHAN;KIM, JAE-HEON |
发明人 |
PAENG, SEONG-HUN;HA, KIL-CHAN;KIM, JAE-HEON |
分类号 |
G09C1/00;H04L9/28;H04L9/30 |
主分类号 |
G09C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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