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GPG key rollover.
This commit adds the new ids and fingerprints in the keys appendix of the manual, and moves the old ones down into the historic-keys section. I've tweaked a few pieces of wording for ongoing use, so that they don't imply a specific number of past key rollovers. The -pgpfp option in all the tools now shows the new Master Key fingerprint and the previous (2015) one. I've adjusted all the uses of the #defines in putty.h so that future rollovers should only have to modify the #defines themselves. Most importantly, sign.sh bakes in the ids of the current release and snapshot keys, so that snapshots will automatically be signed with the new snapshot key and the -r option will invoke the new release key.
This commit is contained in:
Simon Tatham
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@ -53,31 +53,25 @@ The current issue of those keys are available for download from the
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PuTTY website, and are also available on PGP keyservers using the key
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IDs listed below.
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/master-2015.asc}{\s{Master Key}}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/master-2018.asc}{\s{Master Key} (2018)}
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\dd RSA, 4096-bit. Key ID: \cw{4096R/04676F7C} (long version:
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\cw{4096R/AB585DC604676F7C}). Fingerprint:
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\cw{440D\_E3B5\_B7A1\_CA85\_B3CC\_\_1718\_AB58\_5DC6\_0467\_6F7C}
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\dd RSA, 4096-bit. Key ID: \cw{76BC7FE4EBFD2D9E}. Fingerprint:
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\cw{24E1\_B1C5\_75EA\_3C9F\_F752\_\_A922\_76BC\_7FE4\_EBFD\_2D9E}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/release-2015.asc}{\s{Release Key}}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/release-2018.asc}{\s{Release Key} (2018)}
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\dd RSA, 2048-bit. Key ID: \cw{2048R/B43434E4} (long version:
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\cw{2048R/9DFE2648B43434E4}). Fingerprint:
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\cw{0054\_DDAA\_8ADA\_15D2\_768A\_\_6DE7\_9DFE\_2648\_B434\_34E4}
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\dd RSA, 3072-bit. Key ID: \cw{6289A25F4AE8DA82}. Fingerprint:
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\cw{E273\_94AC\_A3F9\_D904\_9522\_\_E054\_6289\_A25F\_4AE8\_DA82}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/contact-2016.asc}{\s{Secure Contact Key}}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/snapshot-2018.asc}{\s{Snapshot Key} (2018)}
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\dd RSA, 2048-bit. Main key ID: \cw{2048R/8A0AF00B} (long version:
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\cw{2048R/C4FCAAD08A0AF00B}). Encryption subkey ID:
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\cw{2048R/50C2CF5C} (long version: \cw{2048R/9EB39CC150C2CF5C}).
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Fingerprint:
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\cw{8A26\_250E\_763F\_E359\_75F3\_\_118F\_C4FC\_AAD0\_8A0A\_F00B}
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\dd RSA, 3072-bit. Key ID: \cw{38BA7229B7588FD1}. Fingerprint:
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\cw{C92B\_52E9\_9AB6\_1DDA\_33DB\_\_2B7A\_38BA\_7229\_B758\_8FD1}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/snapshot-2015.asc}{\s{Snapshot Key}}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/contact-2018.asc}{\s{Secure Contact Key} (2018)}
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\dd RSA, 2048-bit. Key ID: \cw{2048R/D15F7E8A} (long version:
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\cw{2048R/EEF20295D15F7E8A}). Fingerprint:
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\cw{0A3B\_0048\_FE49\_9B67\_A234\_\_FEB6\_EEF2\_0295\_D15F\_7E8A}
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\dd RSA, 3072-bit. Key ID: \cw{657D487977F95C98}. Fingerprint:
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\cw{A680\_0082\_2998\_6E46\_22CA\_\_0E43\_657D\_4879\_77F9\_5C98}
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\H{pgpkeys-security} Security details
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@ -156,28 +150,53 @@ once.
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\H{pgpkeys-rollover} Key rollover
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Our current keys were generated in September 2015, except for the
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Secure Contact Key which was generated in February 2016 (we didn't
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think of it until later).
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Our current keys were generated in August 2018.
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Prior to that, we had a much older set of keys generated in 2000. For
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each of the key types above (other than the Secure Contact Key), we
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provided both an RSA key \e{and} a DSA key (because at the time we
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generated them, RSA was not in practice available to everyone, due to
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export restrictions).
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Each new Master Key is signed with the old one, to show that it really
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is owned by the same people and not substituted by an attacker.
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The new Master Key is signed with both of the old ones, to show that
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it really is owned by the same people and not substituted by an
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attacker. Also, we have retrospectively signed the old Release Keys
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with the new Master Key, in case you're trying to verify the
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signatures on a release prior to the rollover and can find a chain of
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trust to those keys from any of the people who have signed our new
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Master Key.
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Each new Master Key also signs the previous Release Keys, in case
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you're trying to verify the signatures on a release prior to the
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rollover and can find a chain of trust to those keys from any of the
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people who have signed our new Master Key.
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Future releases will be signed with the up-to-date keys shown above.
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Releases prior to the rollover are signed with the old Release Keys.
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Each release is signed with the Release Key that was current at the
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time of release. We don't go back and re-sign old releases with newly
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generated keys.
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For completeness, those old keys are given here:
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The details of all previous keys are given here.
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\s{Key generated in 2016} (when we first introduced the Secure Contact Key)
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/contact-2016.asc}{\s{Secure Contact Key} (2016)}
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\dd RSA, 2048-bit. Main key ID: \cw{2048R/8A0AF00B} (long version:
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\cw{2048R/C4FCAAD08A0AF00B}). Encryption subkey ID:
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\cw{2048R/50C2CF5C} (long version: \cw{2048R/9EB39CC150C2CF5C}).
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Fingerprint:
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\cw{8A26\_250E\_763F\_E359\_75F3\_\_118F\_C4FC\_AAD0\_8A0A\_F00B}
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\s{Keys generated in the 2015 rollover}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/master-2015.asc}{\s{Master Key} (2015)}
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\dd RSA, 4096-bit. Key ID: \cw{4096R/04676F7C} (long version:
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\cw{4096R/AB585DC604676F7C}). Fingerprint:
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\cw{440D\_E3B5\_B7A1\_CA85\_B3CC\_\_1718\_AB58\_5DC6\_0467\_6F7C}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/release-2015.asc}{\s{Release Key} (2015)}
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\dd RSA, 2048-bit. Key ID: \cw{2048R/B43434E4} (long version:
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\cw{2048R/9DFE2648B43434E4}). Fingerprint:
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\cw{0054\_DDAA\_8ADA\_15D2\_768A\_\_6DE7\_9DFE\_2648\_B434\_34E4}
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/snapshot-2015.asc}{\s{Snapshot Key} (2015)}
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\dd RSA, 2048-bit. Key ID: \cw{2048R/D15F7E8A} (long version:
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\cw{2048R/EEF20295D15F7E8A}). Fingerprint:
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\cw{0A3B\_0048\_FE49\_9B67\_A234\_\_FEB6\_EEF2\_0295\_D15F\_7E8A}
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\s{Original keys generated in 2000} (two sets, RSA and DSA)
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\dt \W{https://www.chiark.greenend.org.uk/~sgtatham/putty/keys/master-rsa.asc}{\s{Master Key} (original RSA)}
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16
putty.h
16
putty.h
@ -30,15 +30,17 @@
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#define MAX_TICK_MINS (INT_MAX / (60 * TICKSPERSEC))
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/*
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* Fingerprints of the PGP master keys that can be used to establish a trust
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* path between an executable and other files.
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* Fingerprints of the current and previous PGP master keys, to
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* establish a trust path between an executable and other files.
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*/
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#define PGP_MASTER_KEY_FP \
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#define PGP_MASTER_KEY_YEAR "2018"
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#define PGP_MASTER_KEY_DETAILS "RSA, 4096-bit"
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#define PGP_MASTER_KEY_FP \
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"24E1 B1C5 75EA 3C9F F752 A922 76BC 7FE4 EBFD 2D9E"
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#define PGP_PREV_MASTER_KEY_YEAR "2015"
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#define PGP_PREV_MASTER_KEY_DETAILS "RSA, 4096-bit"
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#define PGP_PREV_MASTER_KEY_FP \
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"440D E3B5 B7A1 CA85 B3CC 1718 AB58 5DC6 0467 6F7C"
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#define PGP_RSA_MASTER_KEY_FP \
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"8F 15 97 DA 25 30 AB 0D 88 D1 92 54 11 CF 0C 4C"
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#define PGP_DSA_MASTER_KEY_FP \
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"313C 3E76 4B74 C2C5 F2AE 83A8 4F5E 6DF5 6A93 B34E"
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/* Three attribute types:
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* The ATTRs (normal attributes) are stored with the characters in
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4
sign.sh
4
sign.sh
@ -9,14 +9,14 @@
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set -e
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keyname=EEF20295D15F7E8A
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keyname=38BA7229B7588FD1
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preliminary=false
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while :; do
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case "$1" in
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-r)
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shift
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keyname=9DFE2648B43434E4
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keyname=6289A25F4AE8DA82
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;;
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-p)
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shift
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@ -158,12 +158,12 @@ void pgp_fingerprints(void)
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"one. See the manual for more information.\n"
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"(Note: these fingerprints have nothing to do with SSH!)\n"
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"\n"
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"PuTTY Master Key as of 2015 (RSA, 4096-bit):\n"
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"PuTTY Master Key as of " PGP_MASTER_KEY_YEAR
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" (" PGP_MASTER_KEY_DETAILS "):\n"
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" " PGP_MASTER_KEY_FP "\n\n"
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"Original PuTTY Master Key (RSA, 1024-bit):\n"
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" " PGP_RSA_MASTER_KEY_FP "\n"
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"Original PuTTY Master Key (DSA, 1024-bit):\n"
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" " PGP_DSA_MASTER_KEY_FP "\n", stdout);
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"Previous Master Key (" PGP_PREV_MASTER_KEY_YEAR
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", " PGP_PREV_MASTER_KEY_DETAILS "):\n"
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" " PGP_PREV_MASTER_KEY_FP "\n", stdout);
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}
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/*
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@ -327,12 +327,12 @@ void pgp_fingerprints(void)
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"one. See the manual for more information.\n"
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"(Note: these fingerprints have nothing to do with SSH!)\n"
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"\n"
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"PuTTY Master Key as of 2015 (RSA, 4096-bit):\n"
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"PuTTY Master Key as of " PGP_MASTER_KEY_YEAR
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" (" PGP_MASTER_KEY_DETAILS "):\n"
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" " PGP_MASTER_KEY_FP "\n\n"
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"Original PuTTY Master Key (RSA, 1024-bit):\n"
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" " PGP_RSA_MASTER_KEY_FP "\n"
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"Original PuTTY Master Key (DSA, 1024-bit):\n"
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" " PGP_DSA_MASTER_KEY_FP "\n", stdout);
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"Previous Master Key (" PGP_PREV_MASTER_KEY_YEAR
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", " PGP_PREV_MASTER_KEY_DETAILS "):\n"
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" " PGP_PREV_MASTER_KEY_FP "\n", stdout);
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}
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void console_provide_logctx(void *logctx)
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@ -142,12 +142,12 @@ void pgp_fingerprints(void)
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"one. See the manual for more information.\n"
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"(Note: these fingerprints have nothing to do with SSH!)\n"
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"\n"
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"PuTTY Master Key as of 2015 (RSA, 4096-bit):\n"
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"PuTTY Master Key as of " PGP_MASTER_KEY_YEAR
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" (" PGP_MASTER_KEY_DETAILS "):\n"
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" " PGP_MASTER_KEY_FP "\n\n"
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"Original PuTTY Master Key (RSA, 1024-bit):\n"
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" " PGP_RSA_MASTER_KEY_FP "\n"
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"Original PuTTY Master Key (DSA, 1024-bit):\n"
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" " PGP_DSA_MASTER_KEY_FP,
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"Previous Master Key (" PGP_PREV_MASTER_KEY_YEAR
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", " PGP_PREV_MASTER_KEY_DETAILS "):\n"
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" " PGP_PREV_MASTER_KEY_FP,
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"PGP fingerprints", MB_ICONINFORMATION | MB_OK,
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HELPCTXID(pgp_fingerprints));
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}
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