--- doc/gpg.texi | 18 ++++++++++++++++++ g10/gpg.c | 9 +++++++++ 2 files changed, 27 insertions(+) Index: gnupg-2.2.18/doc/gpg.texi =================================================================== --- gnupg-2.2.18.orig/doc/gpg.texi +++ gnupg-2.2.18/doc/gpg.texi @@ -2115,6 +2115,24 @@ implies, this option is for experts only understand the implications of what it allows you to do, leave this off. @option{--no-expert} disables this option. +@item --set-legacy-fips +@itemx --set-legacy-fips +@opindex set-legacy-fips +Enable legacy support even when the libgcrypt library is in FIPS 140-2 +mode. The legacy mode of libgcrypt allows the use of all ciphers, +including non-approved ciphers. This mode is needed when for legacy +reasons a message must be encrypted or decrypted. Legacy reasons for +decryptions include the decryption of old messages created with a +public key that use cipher settings which do not meet FIPS 140-2 +requirements. Legacy reasons for encryption include the encryption +of messages with a recipients public key where the recipient is not +bound to FIPS 140-2 regulation and therefore provided a key using +non-approved ciphers. Although the legacy mode is a violation of strict +FIPS 140-2 rule interpretations, it is wise to use this mode or +either not being able to access old messages or not being able +to create encrypted messages to a recipient that is not adhering +to FIPS 140-2 rules. + @end table Index: gnupg-2.2.18/g10/gpg.c =================================================================== --- gnupg-2.2.18.orig/g10/gpg.c +++ gnupg-2.2.18/g10/gpg.c @@ -425,6 +425,7 @@ enum cmd_and_opt_values oRequestOrigin, oNoSymkeyCache, oUseOnlyOpenPGPCard, + oSetLegacyFips, oNoop }; @@ -870,6 +871,7 @@ static ARGPARSE_OPTS opts[] = { ARGPARSE_s_n (oAllowMultipleMessages, "allow-multiple-messages", "@"), ARGPARSE_s_n (oNoAllowMultipleMessages, "no-allow-multiple-messages", "@"), ARGPARSE_s_n (oAllowWeakDigestAlgos, "allow-weak-digest-algos", "@"), + ARGPARSE_s_n (oSetLegacyFips, "set-legacy-fips", "@"), ARGPARSE_s_s (oDefaultNewKeyAlgo, "default-new-key-algo", "@"), @@ -3600,6 +3602,13 @@ main (int argc, char **argv) opt.flags.use_only_openpgp_card = 1; break; + case oSetLegacyFips: + if(gcry_fips_mode_active()) + gcry_control (GCRYCTL_INACTIVATE_FIPS_FLAG, "Enable legacy support in FIPS 140-2 mode"); + else + log_info ("Command set-legacy-fips ignored as libgcrypt is not in FIPS mode\n"); + break; + case oNoop: break; default: