1 files changed, 0 insertions, 135 deletions

diff --git a/src/lib/libcrypto/hkdf/hkdf.c b/src/lib/libcrypto/hkdf/hkdf.c
deleted file mode 100644
index 6104ef0cc7..0000000000
--- a/src/lib/libcrypto/hkdf/hkdf.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* $OpenBSD: hkdf.c,v 1.11 2024/03/25 13:09:13 jsing Exp $ */
-/*
- * Copyright (c) 2014, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <openssl/hkdf.h>
-
-#include <string.h>
-
-#include <openssl/err.h>
-#include <openssl/hmac.h>
-
-#include "bytestring.h"
-#include "evp_local.h"
-#include "hmac_local.h"
-
-/* https://tools.ietf.org/html/rfc5869#section-2 */
-int
-HKDF(uint8_t *out_key, size_t out_len, const EVP_MD *digest,
-    const uint8_t *secret, size_t secret_len, const uint8_t *salt,
-    size_t salt_len, const uint8_t *info, size_t info_len)
-{
-        uint8_t prk[EVP_MAX_MD_SIZE];
-        size_t prk_len;
-
-        if (!HKDF_extract(prk, &prk_len, digest, secret, secret_len, salt,
-            salt_len))
-                return 0;
-        if (!HKDF_expand(out_key, out_len, digest, prk, prk_len, info,
-            info_len))
-                return 0;
-
-        return 1;
-}
-LCRYPTO_ALIAS(HKDF);
-
-/* https://tools.ietf.org/html/rfc5869#section-2.2 */
-int
-HKDF_extract(uint8_t *out_key, size_t *out_len,
-    const EVP_MD *digest, const uint8_t *secret, size_t secret_len,
-    const uint8_t *salt, size_t salt_len)
-{
-        unsigned int len;
-
-        /*
-         * If salt is not given, HashLength zeros are used. However, HMAC does
-         * that internally already so we can ignore it.
-         */
-        if (HMAC(digest, salt, salt_len, secret, secret_len, out_key, &len) ==
-            NULL) {
-                CRYPTOerror(ERR_R_CRYPTO_LIB);
-                return 0;
-        }
-        *out_len = len;
-        return 1;
-}
-LCRYPTO_ALIAS(HKDF_extract);
-
-/* https://tools.ietf.org/html/rfc5869#section-2.3 */
-int
-HKDF_expand(uint8_t *out_key, size_t out_len,
-    const EVP_MD *digest, const uint8_t *prk, size_t prk_len,
-    const uint8_t *info, size_t info_len)
-{
-        const size_t digest_len = EVP_MD_size(digest);
-        uint8_t out_hmac[EVP_MAX_MD_SIZE];
-        size_t n, remaining;
-        uint8_t ctr;
-        HMAC_CTX *hmac = NULL;
-        CBB cbb;
-        int ret = 0;
-
-        if (!CBB_init_fixed(&cbb, out_key, out_len))
-                goto err;
-
-        if ((hmac = HMAC_CTX_new()) == NULL)
-                goto err;
-        if (!HMAC_Init_ex(hmac, prk, prk_len, digest, NULL))
-                goto err;
-
-        remaining = out_len;
-        ctr = 0;
-
-        /* Expand key material to desired length. */
-        while (remaining > 0) {
-                if (++ctr == 0) {
-                        CRYPTOerror(EVP_R_TOO_LARGE);
-                        goto err;
-                }
-
-                if (!HMAC_Update(hmac, info, info_len))
-                        goto err;
-                if (!HMAC_Update(hmac, &ctr, 1))
-                        goto err;
-                if (!HMAC_Final(hmac, out_hmac, NULL))
-                        goto err;
-
-                if ((n = remaining) > digest_len)
-                        n = digest_len;
-
-                if (!CBB_add_bytes(&cbb, out_hmac, n))
-                        goto err;
-
-                remaining -= n;
-
-                if (remaining > 0) {
-                        if (!HMAC_Init_ex(hmac, NULL, 0, NULL, NULL))
-                                goto err;
-                        if (!HMAC_Update(hmac, out_hmac, digest_len))
-                                goto err;
-                }
-        }
-
-        ret = 1;
-
- err:
-        CBB_cleanup(&cbb);
-        HMAC_CTX_free(hmac);
-        explicit_bzero(out_hmac, sizeof(out_hmac));
-
-        return ret;
-}
-LCRYPTO_ALIAS(HKDF_expand);