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-rw-r--r--src/lib/gssapi/krb5/util_crypt.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/gssapi/krb5/util_crypt.c b/src/lib/gssapi/krb5/util_crypt.c
index 36c5ef380..cd431ce34 100644
--- a/src/lib/gssapi/krb5/util_crypt.c
+++ b/src/lib/gssapi/krb5/util_crypt.c
@@ -158,6 +158,8 @@ kg_setup_keys(krb5_context context, krb5_gss_ctx_id_rec *ctx, krb5_key subkey,
break;
case ENCTYPE_ARCFOUR_HMAC:
case ENCTYPE_ARCFOUR_HMAC_EXP:
+ /* RFC 4121 accidentally omits RC4-HMAC-EXP as a "not-newer" enctype,
+ * even though RFC 4757 treats it as one. */
code = kg_copy_keys(context, ctx, subkey);
if (code != 0)
return code;