Import Mbed OS hard-float snapshot

connectivity/nanostack/sal-stack-nanostack/source/Service_Libs/nist_aes_kw/nist_aes_kw.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2016-2019, Arm Limited and affiliates.
+ * 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 "nsconfig.h"
+#include <string.h>
+#include "ns_types.h"
+#include "ns_list.h"
+#include "ns_trace.h"
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_NIST_KW_C) && defined(HAVE_WS) && (defined(HAVE_PAE_SUPP) || defined(HAVE_PAE_AUTH))
+#include "mbedtls/nist_kw.h"
+#endif
+
+#include "Service_Libs/nist_aes_kw/nist_aes_kw.h"
+
+#ifdef HAVE_WS
+
+#define TRACE_GROUP "naes"
+
+int8_t nist_aes_key_wrap(uint8_t is_wrap, const uint8_t *key, int16_t key_bits, const uint8_t *input, size_t input_len, uint8_t *output, size_t *output_len)
+{
+#if defined(MBEDTLS_NIST_KW_C) && (defined(HAVE_PAE_SUPP) || defined(HAVE_PAE_AUTH))
+
+    int8_t ret_val = 0;
+    mbedtls_nist_kw_context ctx;
+
+#ifdef EXTRA_DEBUG_INFO
+    const uint8_t *print_data = key;
+    uint16_t print_data_len = key_bits / 8;
+    while (true) {
+        tr_debug("nist_aes_key_wrap key %s\n", trace_array(print_data, print_data_len > 32 ? 32 : print_data_len));
+        if (print_data_len > 32) {
+            print_data_len -= 32;
+            print_data += 32;
+        } else {
+            break;
+        }
+    }
+
+    print_data = input;
+    print_data_len = input_len;
+    while (true) {
+        tr_debug("nist_aes_key_wrap in %s\n", trace_array(print_data, print_data_len > 32 ? 32 : print_data_len));
+        if (print_data_len > 32) {
+            print_data_len -= 32;
+            print_data += 32;
+        } else {
+            break;
+        }
+    }
+#endif
+
+    mbedtls_nist_kw_init(&ctx);
+
+    if (mbedtls_nist_kw_setkey(&ctx, MBEDTLS_CIPHER_ID_AES, key, key_bits, is_wrap) != 0) {
+        ret_val = -1;
+        goto error;
+    }
+
+    size_t out_size = *output_len;
+
+    if (is_wrap) {
+        if (mbedtls_nist_kw_wrap(&ctx, MBEDTLS_KW_MODE_KW, input, input_len, output, output_len, out_size) != 0) {
+            ret_val = -1;
+            goto error;
+        }
+    } else {
+        if (mbedtls_nist_kw_unwrap(&ctx, MBEDTLS_KW_MODE_KW, input, input_len, output, output_len, out_size) != 0) {
+            ret_val = -1;
+            goto error;
+        }
+    }
+
+#ifdef EXTRA_DEBUG_INFO
+    print_data = output;
+    print_data_len = *output_len;
+    while (true) {
+        tr_debug("nist_aes_key_wrap out %s\n", trace_array(print_data, print_data_len > 32 ? 32 : print_data_len));
+        if (print_data_len > 32) {
+            print_data_len -= 32;
+            print_data += 32;
+        } else {
+            break;
+        }
+    }
+#endif
+
+error:
+    mbedtls_nist_kw_free(&ctx);
+
+    return ret_val;
+#else
+    (void) is_wrap;
+    (void) key;
+    (void) key_bits;
+    (void) input;
+    (void) input_len;
+    (void) output;
+    (void) output_len;
+    return 0;
+#endif
+}
+
+#endif

connectivity/nanostack/sal-stack-nanostack/source/Service_Libs/nist_aes_kw/nist_aes_kw.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2016-2018, Arm Limited and affiliates.
+ * 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.
+ */
+
+#ifndef NIST_AES_KW_
+#define NIST_AES_KW_
+
+/**
+ * \brief NIST AES Key Wrap encode
+ *
+ *  NIST AES Key Wrap encode
+ *
+ * \param key pointer to key
+ * \param key_bits key length in bits
+ * \param input pointer to input data
+ * \param input_len input data length
+ * \param output pointer to output data, storage must be at least 8 bytes longer than input_len
+ *
+ * \return < 0 failure
+ * \return >= 0 success
+ *
+ */
+int8_t nist_aes_key_wrap(uint8_t is_wrap, const uint8_t *key, int16_t key_bits, const uint8_t *input, size_t input_len, uint8_t *output, size_t *output_len);
+
+#endif /* NIST_AES_KW_ */