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Add question "What are DH/DSS keys?"
... and the answer of course.
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doc/faq.org
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doc/faq.org
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@ -64,7 +64,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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display in some browsers for the web page version of this file, and
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display in some browsers for the web page version of this file, and
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have been split into two or more lines. For these commands please
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have been split into two or more lines. For these commands please
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remember to enter the entire command-string on one line or the
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remember to enter the entire command-string on one line or the
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command will error, or at minimum not give the desired results.
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command will error, or at minimum not give the desired results.
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Please keep in mind that this FAQ contains information that may not
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Please keep in mind that this FAQ contains information that may not
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apply to your particular version, as new features and bug fixes are
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apply to your particular version, as new features and bug fixes are
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@ -95,7 +95,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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** Is GnuPG compatible with PGP?
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** Is GnuPG compatible with PGP?
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:PROPERTIES:
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:PROPERTIES:
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:CUSTOM_ID: is-gnupg-compatible-with-pgp
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:CUSTOM_ID: is-gnupg-compatible-with-pgp
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:END:
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:END:
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In general, yes. GnuPG and newer PGP releases should be implementing
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In general, yes. GnuPG and newer PGP releases should be implementing
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the OpenPGP standard. But there are some interoperability problems.
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the OpenPGP standard. But there are some interoperability problems.
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@ -165,7 +165,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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version as it includes additional features, functions and security
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version as it includes additional features, functions and security
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fixes that may not have existed in prior versions.
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fixes that may not have existed in prior versions.
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* Installation
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* Installation
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** Which OSes does GnuPG run on?
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** Which OSes does GnuPG run on?
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:PROPERTIES:
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:PROPERTIES:
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@ -435,7 +435,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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:CUSTOM_ID: get-rid-of-the-version-and-comment-headers-in-armored-messages
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:CUSTOM_ID: get-rid-of-the-version-and-comment-headers-in-armored-messages
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:END:
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:END:
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Use
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Use
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: --no-version --comment ''
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: --no-version --comment ''
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@ -454,7 +454,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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=--charset=. It is important that your active character set matches
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=--charset=. It is important that your active character set matches
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the one displayed --- if not, restrict yourself to plain 7 bit
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the one displayed --- if not, restrict yourself to plain 7 bit
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ASCII and no mapping has to be done.
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ASCII and no mapping has to be done.
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** How can I get list of key IDs used to encrypt a message?
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** How can I get list of key IDs used to encrypt a message?
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:PROPERTIES:
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:PROPERTIES:
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:CUSTOM_ID: how-can-i-get-list-of-key-ids-used-to-encrypt-a-message
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:CUSTOM_ID: how-can-i-get-list-of-key-ids-used-to-encrypt-a-message
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@ -489,7 +489,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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automated environment is:
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automated environment is:
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On a secure machine:
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On a secure machine:
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1. If you want to do automatic signing, create a signing subkey for
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1. If you want to do automatic signing, create a signing subkey for
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your key. Use the interactive key editing menu by issueing the
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your key. Use the interactive key editing menu by issueing the
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command
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command
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@ -499,7 +499,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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1. Make sure that you use a passphrase (needed by the current
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1. Make sure that you use a passphrase (needed by the current
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implementation).
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implementation).
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1.
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1.
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: gpg --export-secret-subkeys --no-comment foo >secring.auto
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: gpg --export-secret-subkeys --no-comment foo >secring.auto
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1. Copy secring.auto and the public keyring to a test directory.
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1. Copy secring.auto and the public keyring to a test directory.
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@ -839,7 +839,6 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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: $ gpg --s2k-cipher-algo 3des --compress-algo 1 --rfc1991 \
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: $ gpg --s2k-cipher-algo 3des --compress-algo 1 --rfc1991 \
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: --export-secret-keys <KeyID>
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: --export-secret-keys <KeyID>
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** GnuPG no longer installs a ~/.gnupg/options file. Is it missing?
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** GnuPG no longer installs a ~/.gnupg/options file. Is it missing?
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:PROPERTIES:
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:PROPERTIES:
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:CUSTOM_ID: gnupg-no-longer-installs-a-options-file-is-it-missing
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:CUSTOM_ID: gnupg-no-longer-installs-a-options-file-is-it-missing
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@ -910,6 +909,22 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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Thanks to David Shaw for this information!
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Thanks to David Shaw for this information!
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** What are DH/DSS keys?
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:PROPERTIES:
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:CUSTOM_ID: what-are-dh-dss-keys
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:END:
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PGP uses a different name for the former default encryption
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algorithm Elgamal: They name it DH, which usually stands for the
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Diffie-Hellman key exchange algorithm. It has been said that this
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had historic patent and business reasons. It is however exactly
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the same thing as the Elgamal algorithm.
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They also use the acronym DSS (Digital Signature Standard) instead
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of the DSA (Digital Signature Algorithm). The difference is that
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DSS requires the use of certain hash algorithms; however OpenPGP
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allows the use of more than those hash algorithms, thus GPG usually
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uses the term DSA.
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* Problems and Error Messages
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* Problems and Error Messages
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@ -957,7 +972,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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: $ chmod u+s /path/to/gpg
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: $ chmod u+s /path/to/gpg
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or
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or
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: $ chmod 4755 /path/to/gpg
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: $ chmod 4755 /path/to/gpg
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Some refrain from using setuid(root) unless absolutely required for
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Some refrain from using setuid(root) unless absolutely required for
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@ -1042,7 +1057,7 @@ update this FAQ in the next month. See the section "Changes" for recent updates
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If you use GnuPG to process those messages, the extra dashes
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If you use GnuPG to process those messages, the extra dashes
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are removed. Good mail clients remove those extra dashes when
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are removed. Good mail clients remove those extra dashes when
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displaying such a message.
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displaying such a message.
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** What is the thing with "can't handle multiple signatures"?
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** What is the thing with "can't handle multiple signatures"?
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:PROPERTIES:
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:PROPERTIES:
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