modules/crypto/pbkdf2v2: reuse previous idiom for length of salt array

This is equivalent but more robust.

diff --git a/modules/crypto/pbkdf2v2.c b/modules/crypto/pbkdf2v2.c
index cf2e4b317c3145cee1b7b1c4877e04efdcf2febc..9158ed230c075c01d3dbf5d84b4fb18be207fe2f 100644 (file)
--- a/modules/crypto/pbkdf2v2.c
+++ b/modules/crypto/pbkdf2v2.c
@@ -59,7 +59,7 @@ pbkdf2v2_salt(void)
                salt[i] = salt_chars[rawsalt[i] % sizeof salt_chars];
 
        /* NULL-terminate the string */
-       salt[PBKDF2_SALTLEN] = 0x00;
+       salt[sizeof rawsalt] = 0x00;
 
        /* Format and return the result */
        static char res[PASSLEN];