Claims
- 1. An encryption method comprising:
- receiving from a first party a message that has a first part, wherein the first part includes a first block of information that is encrypted by using a public key R of a recryptor's public key-private key pair;
- blinding the first part;
- sending the blinded first part to a recryptor; and
- receiving from the recryptor a second block of information which is the first block of information blinded and decrypted using the private key of the recryptor's public key-private key pair.
- 2. The encryption method of claim 1 further comprising unblinding the second block of information.
- 3. An encryption method comprising:
- receiving from a first party a blinded message that was also encrypted by using a public key R of a public key-private key pair;
- decrypting the blinded message by using the private key of the public key-private key pair; and
- sending the decrypted, blinded message back to the first party.
Parent Case Info
This application is a division of patent application Ser. No. 08/530,022 filed on Sep. 19, 1995, now U.S. Pat. No. 5,638,445.
US Referenced Citations (5)
Divisions (1)
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Number |
Date |
Country |
Parent |
530022 |
Sep 1995 |
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