From e65c959f1fd5469ba96fceb68ce8b7c8d52edb39 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Thu, 5 Apr 2018 13:03:37 +0100 Subject: Add a note and better error if using Ed25519/Ed448 in dgst Fixes #5873 Reviewed-by: Rich Salz (Merged from https://github.com/openssl/openssl/pull/5880) --- apps/dgst.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'apps/dgst.c') diff --git a/apps/dgst.c b/apps/dgst.c index 4bf20f3..d158a0c 100644 --- a/apps/dgst.c +++ b/apps/dgst.c @@ -235,6 +235,8 @@ int dgst_main(int argc, char **argv) } if (keyfile != NULL) { + int type; + if (want_pub) sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file"); else @@ -245,6 +247,15 @@ int dgst_main(int argc, char **argv) */ goto end; } + type = EVP_PKEY_id(sigkey); + if (type == EVP_PKEY_ED25519 || type == EVP_PKEY_ED448) { + /* + * We implement PureEdDSA for these which doesn't have a separate + * digest, and only supports one shot. + */ + BIO_printf(bio_err, "Key type not supported for this operation\n"); + goto end; + } } if (mac_name != NULL) { -- cgit v1.1