1 files changed, 1 insertions, 71 deletions

diff --git a/src/lib/libssl/tls13_lib.c b/src/lib/libssl/tls13_lib.c
index 54c98af15c..3bb6d3d3db 100644
--- a/src/lib/libssl/tls13_lib.c
+++ b/src/lib/libssl/tls13_lib.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: tls13_lib.c,v 1.74 2022/10/20 15:26:25 tb Exp $ */
+/*      $OpenBSD: tls13_lib.c,v 1.75 2022/11/07 11:53:39 jsing Exp $ */
 /*
  * Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
  * Copyright (c) 2019 Bob Beck <beck@openbsd.org>
@@ -699,73 +699,3 @@ tls13_clienthello_hash_validate(struct tls13_ctx *ctx)
 
         return 1;
 }
-
-int
-tls13_exporter(struct tls13_ctx *ctx, const uint8_t *label, size_t label_len,
-    const uint8_t *context_value, size_t context_value_len, uint8_t *out,
-    size_t out_len)
-{
-        struct tls13_secret context, export_out, export_secret;
-        struct tls13_secrets *secrets = ctx->hs->tls13.secrets;
-        EVP_MD_CTX *md_ctx = NULL;
-        unsigned int md_out_len;
-        int md_len;
-        int ret = 0;
-
-        /*
-         * RFC 8446 Section 7.5.
-         */
-
-        memset(&context, 0, sizeof(context));
-        memset(&export_secret, 0, sizeof(export_secret));
-
-        export_out.data = out;
-        export_out.len = out_len;
-
-        if (!ctx->handshake_completed)
-                return 0;
-
-        md_len = EVP_MD_size(secrets->digest);
-        if (md_len <= 0 || md_len > EVP_MAX_MD_SIZE)
-                goto err;
-
-        if (!tls13_secret_init(&export_secret, md_len))
-                goto err;
-        if (!tls13_secret_init(&context, md_len))
-                goto err;
-
-        /* In TLSv1.3 no context is equivalent to an empty context. */
-        if (context_value == NULL) {
-                context_value = "";
-                context_value_len = 0;
-        }
-
-        if ((md_ctx = EVP_MD_CTX_new()) == NULL)
-                goto err;
-        if (!EVP_DigestInit_ex(md_ctx, secrets->digest, NULL))
-                goto err;
-        if (!EVP_DigestUpdate(md_ctx, context_value, context_value_len))
-                goto err;
-        if (!EVP_DigestFinal_ex(md_ctx, context.data, &md_out_len))
-                goto err;
-        if (md_len != md_out_len)
-                goto err;
-
-        if (!tls13_derive_secret_with_label_length(&export_secret,
-            secrets->digest, &secrets->exporter_master, label, label_len,
-            &secrets->empty_hash))
-                goto err;
-
-        if (!tls13_hkdf_expand_label(&export_out, secrets->digest,
-            &export_secret, "exporter", &context))
-                goto err;
-
-        ret = 1;
-
- err:
-        EVP_MD_CTX_free(md_ctx);
-        tls13_secret_cleanup(&context);
-        tls13_secret_cleanup(&export_secret);
-
-        return ret;
-}