aboutsummaryrefslogtreecommitdiff
path: root/module/crypto.scm
diff options
context:
space:
mode:
Diffstat (limited to 'module/crypto.scm')
-rw-r--r--module/crypto.scm10
1 files changed, 3 insertions, 7 deletions
diff --git a/module/crypto.scm b/module/crypto.scm
index 6428f16d..79eaaf89 100644
--- a/module/crypto.scm
+++ b/module/crypto.scm
@@ -28,11 +28,7 @@
((@ (system foreign) bytevector->pointer) md))
md)
-(define (checksum->string md)
- (string-concatenate
- (map (lambda (byte)
- (format #f "~x~x"
- (logand #xF (ash byte -4))
- (logand #xF byte)))
- (bytevector->u8-list md))))
+(define* (checksum->string md #:optional port)
+ ((@ (ice-9 format) format) port
+ "~{~2'0x~}" (bytevector->u8-list md)))