change aes passphrase length from 128 to 117 to support 1028bit rsa p…

…ublic key.
koseki · Feb 17, 2013 · bc8adf4 · bc8adf4
1 parent 307a5a3
commit bc8adf4
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/bin/ghcrypt b/bin/ghcrypt
@@ -1,8 +1,11 @@
 #! /bin/sh
 
 CONFIG_FILE=$HOME/.ghcrypt
-VERSION=0.4
-AES_PASSPHRASE_LENGTH=128 # bytes
+VERSION=0.5
+
+# Can't encrypt larger than 117 bytes when the public key size is 1024 bit.
+# (RSA key 1024 bit - PKCS#1 88bit padding) / 8 = 117 bytes
+AES_PASSPHRASE_LENGTH=117
 
 usage() {
  echo "ghcrypt v$VERSION"