diff options
| -rw-r--r-- | module/crypto.scm | 10 | ||||
| -rw-r--r-- | tests/test/crypto.scm | 6 |
2 files changed, 9 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))) diff --git a/tests/test/crypto.scm b/tests/test/crypto.scm index 610ac819..71ecfc99 100644 --- a/tests/test/crypto.scm +++ b/tests/test/crypto.scm @@ -7,3 +7,9 @@ (test-equal "sha256 string digest" "185f8db32271fe25f561a6fc938b2e264306ec304eda518007d1764826381969" (checksum->string (sha256 "Hello"))) + +(let ((port (open-output-string))) + (checksum->string (sha256 "Hello") port) + (test-equal "sha256 string digest to port" + "185f8db32271fe25f561a6fc938b2e264306ec304eda518007d1764826381969" + (get-output-string port))) |