The current encryption model supports the signing of messages along with encryption. A digital signature is added to each encrypted message. The PGP preemitter and PGPEncrypt service do not support the signing of a message without encryption.
Consider a use case where an outgoing message must be signed and encrypted. In addition, assume that there are multiple keys listed within the same key ring file. For example:
H:\>gpg --list-key C:/Program Files/GNU/GnuPG/keyRing\pubring.gpg ------------------------------------------------------------------ pub 1024D/3A4A61BD 2009-05-13 uid Key for Test server<Soumya_raghavan@ibi.com> sub 2048g/92DFC2B0 2009-05-13 pub 1024D/DB9570DD 2000-02-23 uid Production <production@ibi.com> sub 2048g/8DC224F9 2000-02-23 pub 1024D/FFBDBE5C 2009-04-30 uid ATSHelp <ATS 24X7 support @ibi.com> sub 2048g/B0BB9ED1 2009-04-30
To successfully encrypt a message using key pair encryption:
The values for the PGP preemitter configuration parameters are listed and described in the following table:
Parameter | Description |
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Encrypt method | Selects the form of encryption to be used. In this example, select Keypair from the drop-down list. |
Pass Phrase or Alias | The configured pass phrase or alias. In this example, the following value is used: Key for Test server<Soumya_raghavan@ibi.com> Note: To avoid typos, it is a good idea to cut and paste this value from a text file. |
armor | Determines whether an armored message should be generated. In this example, select false from the drop-down list. |
Public key ring | Full path to the public key ring. Used for key pair encryption. In this example, the following path is used: C:\Program Files\GNU\GnuPG\keys\pubring.gpg |
Secret key ring | Full path to the secret key ring. Used for key pair encryption. In this example, the following path is used: C:\Program Files\GNU\GnuPG\keys\secring.gpg |
Key Phrase | Enter the key phrase that is required for signing. This parameter is required only when signing. |
Sign | Determines whether messages should be signed. In this example, select true from the drop-down list. |
algorithm | The algorithm that is used. In this example, select cast5 from the drop-down list. |
FingerPrint | Enter the fingerprint of the sub key ring (the encryption key), which can be obtained by using the following command: gpg --fingerprint --fingerprint "alias" where:
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The values for the PGP preparser configuration parameters are listed and described in the following table:
Parameter | Description |
---|---|
Decrypt method | Selects the form of decryption to be used. In this example, select Keypair from the drop-down list. |
Pass Phrase or Alias | The real name that is configured. In this example, the following value is used: Key for Test server<Soumya_raghavan@ibi.com> Note: To avoid typos, it is a good idea to cut and paste this value from a text file. |
Public key ring | Full path to the public key ring. Used for key pair encryption. In this example, the following path is used: C:\Program Files\GNU\GnuPG\keys\pubring.gpg |
Secret key ring | Full path to the secret key ring. Used for key pair encryption. In this example, the following path is used: C:\Program Files\GNU\GnuPG\keys\secring.gpg |
Key Phrase | Enter the key phrase, which is required to verify the signature. |
Flow form | Determines the flow form to be used. In this example, select XML from the drop-down list. |
The original file is obtained.
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