| 发明名称 |
Encryption method, decryption method, encryption/decryption method, cryptographic communications system, and computer usable medium |
| 摘要 |
An encryption/decryption method applicable to product-sum cryptosystem. This method enables highspeed decryption. A ciphertext C=m0B0+m1B1+ . . . +mK-1BK-1 is produced from a scalar product of a plaintext vector m=(m0, m1, . . . , mK-1) and a base vector B=(B0, B1, . . . , BK-1).
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| 申请公布号 |
US6785388(B1) |
申请公布日期 |
2004.08.31 |
| 申请号 |
US19990397775 |
申请日期 |
1999.09.16 |
| 申请人 |
MURATA KIKAI KABUSHIKI KAISHA |
发明人 |
KASAHARA MASAO;MURAKAMI YASUYUKI |
| 分类号 |
H04L9/30;(IPC1-7):H04K1/00;H04L9/00 |
主分类号 |
H04L9/30 |
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