Remove Version: header from armored output

There is no benefit to this header and it leaks information about the
implementation of OpenPGP in use, which may open up other attacks. Drop
it.

diff --git a/armor.c b/armor.c
index 44be9394d72ab5201341f8b426933c09880bea66..ab10f41dbc1e0cd6a49edca3c7ca0ab6a141a06c 100644 (file)
--- a/armor.c
+++ b/armor.c
@@ -332,9 +332,7 @@ int armor_openpgp_stream(int (*putchar_func)(void *ctx, size_t count,
         */
        putchar_func(ctx, sizeof("-----BEGIN PGP PUBLIC KEY BLOCK-----\n") - 1,
                (unsigned char *) "-----BEGIN PGP PUBLIC KEY BLOCK-----\n");
-       putchar_func(ctx, sizeof("Version: onak " ONAK_VERSION "\n\n") - 1,
-               (unsigned char *) "Version: onak " ONAK_VERSION "\n\n");
-       
+
        armor_init(&armor_ctx);
        armor_ctx.putchar_func = putchar_func;
        armor_ctx.ctx = ctx;