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-rw-r--r--gnu/packages/mail.scm59
1 files changed, 58 insertions, 1 deletions
diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 070d9ba093..02147b3108 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -44,6 +44,7 @@
#:use-module (gnu packages backup)
#:use-module (gnu packages bash)
#:use-module (gnu packages bison)
+ #:use-module (gnu packages crypto)
#:use-module (gnu packages curl)
#:use-module (gnu packages cyrus-sasl)
#:use-module (gnu packages databases)
@@ -93,7 +94,7 @@
#:select (gpl2 gpl2+ gpl3 gpl3+ lgpl2.1 lgpl2.1+ lgpl3+
non-copyleft (expat . license:expat) bsd-3
public-domain bsd-4 isc (openssl . license:openssl)
- bsd-2 x11-style))
+ bsd-2 x11-style agpl3))
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix git-download)
@@ -1130,6 +1131,62 @@ It supports mbox/Maildir and its own dbox/mdbox formats.")
;; Unicode, Inc. License Agreement for Data Files and Software.
(license (list lgpl2.1 license:expat (non-copyleft "file://COPYING")))))
+(define-public dovecot-trees
+ (let ((commit "006059c8a47d68f14f73c09743e45b9a73014dbf")
+ (revision "1"))
+ (package
+ (name "dovecot-trees")
+ (version (string-append "2.0.0-" revision "." (string-take commit 7)))
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://0xacab.org/riseuplabs/trees.git")
+ (commit commit)))
+ (file-name (string-append name "-" version "-checkout"))
+ (sha256
+ (base32
+ "0ax90bzc66x179wi1m7ywqwa8nssyhjngs7ij109hqqxg5ymfp73"))))
+ (build-system gnu-build-system)
+ (native-inputs
+ `(("automake" ,automake)
+ ("autoconf" ,autoconf)
+ ("libtool" ,libtool)
+ ("dovecot" ,dovecot)
+ ("pkg-config" ,pkg-config)))
+ (inputs
+ `(("libsodium" ,libsodium)))
+ (arguments
+ `(#:tests? #f ;No tests exist.
+ #:configure-flags (list (string-append "--with-dovecot="
+ (assoc-ref %build-inputs "dovecot")
+ "/lib/dovecot"))
+ #:phases
+ (modify-phases %standard-phases
+ (add-before 'configure 'autogen
+ (lambda _
+ (zero? (system* "./autogen.sh")))))))
+ (home-page "https://0xacab.org/riseuplabs/trees")
+ (synopsis "NaCL-based Dovecot email storage encryption plugin")
+ (description
+ "Technology for Resting Email Encrypted Storage (TREES) is a NaCL-based
+Dovecot encryption plugin. This plugin adds individually encrypted mail
+storage to the Dovecot IMAP server. It is inspired by Posteo's scrambler
+which uses OpenSSL and RSA keypairs. TREES works in a similar way, but uses
+the Sodium crypto library (based on NaCL).
+
+How it works:
+@enumerate
+@item On IMAP log in, the user's cleartext password is passed to the plugin.
+@item The plugin creates an argon2 digest from the password.
+@item This password digest is used as a symmetric secret to decrypt a libsodium secretbox.
+@item Inside the secretbox is stored a Curve25519 private key.
+@item The Curve25519 private key is used to decrypt each individual message,
+using lidsodium sealed boxes.
+@item New mail is encrypted as it arrives using the Curve25519 public key.
+@end enumerate\n")
+ (license agpl3))))
+
(define-public isync
(package
(name "isync")