Revert a hunk of r1.23 that makes no sense

The commit was about checking EVP_CIPHER_CTX_iv_length(), but the function
called here is EVP_CIPHER_CTX_key_length(). The result of the computation
is still correct, the check and local variable simply make no sense.

diff --git a/lib/libcrypto/evp/e_rc2.c b/lib/libcrypto/evp/e_rc2.c
index 202abc6..d859ad2 100644 (file)
--- a/lib/libcrypto/evp/e_rc2.c
+++ b/lib/libcrypto/evp/e_rc2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_rc2.c,v 1.24 2023/11/18 10:46:58 tb Exp $ */
+/* $OpenBSD: e_rc2.c,v 1.25 2023/12/02 19:06:22 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -383,15 +383,9 @@ rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 static int
 rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
 {
-       int iv_len;
-
        switch (type) {
        case EVP_CTRL_INIT:
-               data(c)->key_bits = 0;
-               /* XXX - upper bound? */
-               if ((iv_len = EVP_CIPHER_CTX_key_length(c)) < 0)
-                       return -1;
-               data(c)->key_bits = iv_len * 8;
+               data(c)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8;
                return 1;
 
        case EVP_CTRL_GET_RC2_KEY_BITS: