3 files changed, 12 insertions(+), 4 deletions(-)

M lib/dhall/ast.rb
M lib/dhall/binary.rb
M lib/dhall/parser.rb

@@ 1203,7 1203,11 @@ module Dhall
 			end
 
 			def to_s
-				"#{@protocol}:#{@data}"
+				"#{@protocol}:#{hexdigest}"
+			end
+
+			def hexdigest
+				@data&.unpack("H*")&.first&.encode(Encoding::UTF_8)
 			end
 
 			def check(expr)


@@ 1216,7 1220,7 @@ module Dhall
 			end
 
 			def as_json
-				@protocol == :nocheck ? nil : [@protocol, @data]
+				@protocol == :nocheck ? nil : [@protocol, hexdigest]
 			end
 		end
 

@@ 193,8 193,12 @@ module Dhall
 		def self.decode(integrity_check, import_type, path_type, *parts)
 			parts[0] = Dhall.decode(parts[0]) if path_type < 2 && !parts[0].nil?
 
+			check = if integrity_check
+				IntegrityCheck.new(integrity_check[0], [integrity_check[1]].pack("H*"))
+			end
+
 			new(
-				IntegrityCheck.new(*integrity_check),
+				check,
 				IMPORT_TYPES[import_type],
 				PATH_TYPES[path_type].new(*parts)
 			)

@@ 525,7 525,7 @@ module Dhall
 		module Hash
 			def value
 				protocol, data = string.split(/:/, 2)
-				Dhall::Import::IntegrityCheck.new(protocol, data)
+				Dhall::Import::IntegrityCheck.new(protocol, [data].pack("H*"))
 			end
 		end