Removed old mbedtls, replacing with submodule.

1 files changed, 0 insertions, 189 deletions

diff --git a/lib/mbedtls-2.27.0/library/hkdf.c b/lib/mbedtls-2.27.0/library/hkdf.c
deleted file mode 100644
index 5013729..0000000
--- a/lib/mbedtls-2.27.0/library/hkdf.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- *  HKDF implementation -- RFC 5869
- *
- *  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-#include "common.h"
-
-#if defined(MBEDTLS_HKDF_C)
-
-#include <string.h>
-#include "mbedtls/hkdf.h"
-#include "mbedtls/platform_util.h"
-#include "mbedtls/error.h"
-
-int mbedtls_hkdf( const mbedtls_md_info_t *md, const unsigned char *salt,
-                  size_t salt_len, const unsigned char *ikm, size_t ikm_len,
-                  const unsigned char *info, size_t info_len,
-                  unsigned char *okm, size_t okm_len )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char prk[MBEDTLS_MD_MAX_SIZE];
-
-    ret = mbedtls_hkdf_extract( md, salt, salt_len, ikm, ikm_len, prk );
-
-    if( ret == 0 )
-    {
-        ret = mbedtls_hkdf_expand( md, prk, mbedtls_md_get_size( md ),
-                                   info, info_len, okm, okm_len );
-    }
-
-    mbedtls_platform_zeroize( prk, sizeof( prk ) );
-
-    return( ret );
-}
-
-int mbedtls_hkdf_extract( const mbedtls_md_info_t *md,
-                          const unsigned char *salt, size_t salt_len,
-                          const unsigned char *ikm, size_t ikm_len,
-                          unsigned char *prk )
-{
-    unsigned char null_salt[MBEDTLS_MD_MAX_SIZE] = { '\0' };
-
-    if( salt == NULL )
-    {
-        size_t hash_len;
-
-        if( salt_len != 0 )
-        {
-            return MBEDTLS_ERR_HKDF_BAD_INPUT_DATA;
-        }
-
-        hash_len = mbedtls_md_get_size( md );
-
-        if( hash_len == 0 )
-        {
-            return MBEDTLS_ERR_HKDF_BAD_INPUT_DATA;
-        }
-
-        salt = null_salt;
-        salt_len = hash_len;
-    }
-
-    return( mbedtls_md_hmac( md, salt, salt_len, ikm, ikm_len, prk ) );
-}
-
-int mbedtls_hkdf_expand( const mbedtls_md_info_t *md, const unsigned char *prk,
-                         size_t prk_len, const unsigned char *info,
-                         size_t info_len, unsigned char *okm, size_t okm_len )
-{
-    size_t hash_len;
-    size_t where = 0;
-    size_t n;
-    size_t t_len = 0;
-    size_t i;
-    int ret = 0;
-    mbedtls_md_context_t ctx;
-    unsigned char t[MBEDTLS_MD_MAX_SIZE];
-
-    if( okm == NULL )
-    {
-        return( MBEDTLS_ERR_HKDF_BAD_INPUT_DATA );
-    }
-
-    hash_len = mbedtls_md_get_size( md );
-
-    if( prk_len < hash_len || hash_len == 0 )
-    {
-        return( MBEDTLS_ERR_HKDF_BAD_INPUT_DATA );
-    }
-
-    if( info == NULL )
-    {
-        info = (const unsigned char *) "";
-        info_len = 0;
-    }
-
-    n = okm_len / hash_len;
-
-    if( okm_len % hash_len != 0 )
-    {
-        n++;
-    }
-
-    /*
-     * Per RFC 5869 Section 2.3, okm_len must not exceed
-     * 255 times the hash length
-     */
-    if( n > 255 )
-    {
-        return( MBEDTLS_ERR_HKDF_BAD_INPUT_DATA );
-    }
-
-    mbedtls_md_init( &ctx );
-
-    if( ( ret = mbedtls_md_setup( &ctx, md, 1 ) ) != 0 )
-    {
-        goto exit;
-    }
-
-    memset( t, 0, hash_len );
-
-    /*
-     * Compute T = T(1) | T(2) | T(3) | ... | T(N)
-     * Where T(N) is defined in RFC 5869 Section 2.3
-     */
-    for( i = 1; i <= n; i++ )
-    {
-        size_t num_to_copy;
-        unsigned char c = i & 0xff;
-
-        ret = mbedtls_md_hmac_starts( &ctx, prk, prk_len );
-        if( ret != 0 )
-        {
-            goto exit;
-        }
-
-        ret = mbedtls_md_hmac_update( &ctx, t, t_len );
-        if( ret != 0 )
-        {
-            goto exit;
-        }
-
-        ret = mbedtls_md_hmac_update( &ctx, info, info_len );
-        if( ret != 0 )
-        {
-            goto exit;
-        }
-
-        /* The constant concatenated to the end of each T(n) is a single octet.
-         * */
-        ret = mbedtls_md_hmac_update( &ctx, &c, 1 );
-        if( ret != 0 )
-        {
-            goto exit;
-        }
-
-        ret = mbedtls_md_hmac_finish( &ctx, t );
-        if( ret != 0 )
-        {
-            goto exit;
-        }
-
-        num_to_copy = i != n ? hash_len : okm_len - where;
-        memcpy( okm + where, t, num_to_copy );
-        where += hash_len;
-        t_len = hash_len;
-    }
-
-exit:
-    mbedtls_md_free( &ctx );
-    mbedtls_platform_zeroize( t, sizeof( t ) );
-
-    return( ret );
-}
-
-#endif /* MBEDTLS_HKDF_C */