crystalneth

Recovering Signal Desktop After Mac Migration Assistant Transfer

This guide helps you recover access to your Signal Desktop messages after using Migration Assistant to transfer to a new Mac. This addresses the specific error:

Error while decrypting the ciphertext provided to safeStorage.decryptString

The Problem

When using Migration Assistant to transfer Signal Desktop to a new Mac, the database and configuration files transfer correctly, but Signal can't decrypt the database. This happens because while Migration Assistant copies the encrypted database and configuration, the encryption keys in the system keychain don't transfer properly.

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	node-pre-gyp ERR! Tried to download(404): https://fsevents-binaries.s3-us-west-2.amazonaws.com/v1.1.3/fse-v1.1.3-node-v79-darwin-x64.tar.gz
	node-pre-gyp ERR! Pre-built binaries not found for [email protected] and [email protected] (node-v79 ABI, unknown) (falling back to source compile with node-gyp)
	node-pre-gyp ERR! Tried to download(undefined): https://fsevents-binaries.s3-us-west-2.amazonaws.com/v1.1.3/fse-v1.1.3-node-v79-darwin-x64.tar.gz
	node-pre-gyp ERR! Pre-built binaries not found for [email protected] and [email protected] (node-v79 ABI, unknown) (falling back to source compile with node-gyp)
	SOLINK_MODULE(target) Release/.node
	CXX(target) Release/obj.target/fse/fsevents.o
	CXX(target) Release/obj.target/fse/fsevents.o
	In file included from ../fsevents.cc:6:
	In file included from ../../nan/nan.h:202:
	In file included from ../../nan/nan_converters.h:67:

	context "update user_data attributes" do
	setup do
	@user = Factory(:user)
	@old_user_data_id = @user.user_data.id
	@user.update_attributes!(:given_name => 'bar', :user_data_attributes => {:company => 'bar', :data => {:foo => :bar}})
	assert_equal({'foo' => :bar}, @user.user_data.data)
	# @user.user_data.save! # TODO WHY???
	end
	should("update attributes") do
	assert_equal @old_user_data_id, @user.user_data.id

	Started GET "/store/admin/" for 127.0.0.1 at 2012-09-18 18:24:46 -0700
	Processing by Spree::Admin::OverviewController#index as HTML
	Spree::Preference Load (0.1ms) SELECT "spree_preferences".* FROM "spree_preferences" WHERE "spree_preferences"."name" = 'allow_ssl_in_development_and_test' LIMIT 1
	Spree::Preference Load (0.1ms) SELECT "spree_preferences".* FROM "spree_preferences" WHERE "spree_preferences"."name" = 'default_locale' LIMIT 1
	CACHE (0.0ms) SELECT "spree_preferences".* FROM "spree_preferences" WHERE "spree_preferences"."name" = 'default_locale' LIMIT 1
	User Load (0.1ms) SELECT "users".* FROM "users" WHERE "users"."id" = 1 LIMIT 1
	Spree::Order Load (2.1ms) SELECT "spree_orders".* FROM "spree_orders" WHERE "spree_orders"."user_id" = 1 AND "spree_orders"."completed_at" IS NULL ORDER BY created_at ASC LIMIT 1
	Spree::Order Load (0.2ms) SELECT "spree_orders".* FROM "spree_orders" WHERE "spree_orders"."id" = 1069267077 LIMIT 1
	Spree::Adjustment Load (0.3ms) SELECT "spree_adjustments".*

	// Can't get $and working
	// This is Mongo 2.0.4

	```
	> db.foo.insert({letter: 'a', number: 2})
	> db.foo.find()
	{ "_id" : ObjectId("4f8cbf5b19a4296c4255028e"), "letter" : "a", "number" : 2 }
	> db.foo.find({letter: 'a'})
	{ "_id" : ObjectId("4f8cbf5b19a4296c4255028e"), "letter" : "a", "number" : 2 }
	> db.foo.find({letter: 'a', number: 2})

	series = [1,2,3]

	fs = []
	for i in series
	console.log "Pushing #{i}"
	fs.push (-> i)

	for f in fs
	console.log f()

	context "collapse without target" do
	setup do
	TrackEvent.track_collapse(1.hour, @user, 'test', @project)
	TrackEvent.track_collapse(1.hour, @user, 'test', @project)
	end
	should_change("number of events", :by => 1) { TrackEvent.count }
	end

	class Message
	include ActiveModel::Validations
	include ActiveModel::Conversion
	extend ActiveModel::Naming
	include ActiveModel::Serialization
	include ActiveModel::AttributeMethods

	# attr_accessor :body, :subject, :recipients, :documents, :sender
	define_attribute_methods [:body, :subject, :recipients, :documents, :sender]
	attr_accessor :attributes

	module Bar
	def bar
	puts "bar"
	end
	end

	class Foo
	include Bar
	bar
	end