move components to SDK dir

SDK/12.3.0_d7731ad/components/libraries/crypto/nrf_crypto.c

@@ -0,0 +1,159 @@
+/**
+ * Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "nrf_error.h"
+#include "sdk_common.h"
+#include "ecc.h"
+#include "sha256.h"
+#include "nrf_crypto.h"
+
+uint32_t nrf_crypto_init(void)
+{
+    ecc_init(false);
+
+    return NRF_SUCCESS;
+}
+
+
+uint32_t nrf_crypto_public_key_compute(uint32_t curve,
+                             nrf_crypto_key_t const *p_sk,
+                             nrf_crypto_key_t *p_pk)
+{
+    if(curve != NRF_CRYPTO_CURVE_SECP256R1)
+    {
+        return NRF_ERROR_NOT_SUPPORTED;
+    }
+
+    if(p_sk->len != ECC_P256_SK_LEN || p_pk->len != ECC_P256_PK_LEN)
+    {
+        return NRF_ERROR_INVALID_LENGTH;
+    }
+
+    return ecc_p256_public_key_compute(p_sk->p_le_data, p_pk->p_le_data);
+}
+
+
+uint32_t nrf_crypto_shared_secret_compute(uint32_t curve,
+                                 nrf_crypto_key_t const *p_sk,
+                                 nrf_crypto_key_t const *p_pk,
+                                 nrf_crypto_key_t *p_ss)
+{
+    if(curve != NRF_CRYPTO_CURVE_SECP256R1)
+    {
+        return NRF_ERROR_NOT_SUPPORTED;
+    }
+
+    if(p_sk->len != ECC_P256_SK_LEN || p_pk->len != ECC_P256_PK_LEN || p_ss->len != ECC_P256_SK_LEN)
+    {
+        return NRF_ERROR_INVALID_LENGTH;
+    }
+
+    return ecc_p256_shared_secret_compute(p_sk->p_le_data, p_pk->p_le_data, p_ss->p_le_data);
+}
+
+uint32_t nrf_crypto_sign(uint32_t curve,
+                nrf_crypto_key_t const *p_sk,
+                nrf_crypto_key_t const *p_hash,
+                nrf_crypto_key_t *p_sig)
+{
+    if(curve != NRF_CRYPTO_CURVE_SECP256R1)
+    {
+        return NRF_ERROR_NOT_SUPPORTED;
+    }
+
+    if(p_sk->len != ECC_P256_SK_LEN || p_sig->len != ECC_P256_PK_LEN)
+    {
+        return NRF_ERROR_INVALID_LENGTH;
+    }
+    return ecc_p256_sign(p_sk->p_le_data, p_hash->p_le_data, p_hash->len, p_sig->p_le_data);
+}
+
+uint32_t nrf_crypto_verify(uint32_t curve,
+                  nrf_crypto_key_t const *p_pk,
+                  nrf_crypto_key_t const *p_hash,
+                  nrf_crypto_key_t const *p_sig)
+{
+    if(curve != NRF_CRYPTO_CURVE_SECP256R1)
+    {
+        return NRF_ERROR_NOT_SUPPORTED;
+    }
+
+    if(p_pk->len != ECC_P256_PK_LEN || p_sig->len != ECC_P256_PK_LEN)
+    {
+        return NRF_ERROR_INVALID_LENGTH;
+    }
+
+    return ecc_p256_verify(p_pk->p_le_data, p_hash->p_le_data, p_hash->len, p_sig->p_le_data);
+}
+
+
+uint32_t nrf_crypto_hash_compute(uint32_t hash_alg,
+                        uint8_t const *p_data,
+                        uint32_t len,
+                        nrf_crypto_key_t *p_hash)
+{
+    ret_code_t       err_code;
+    sha256_context_t ctx;
+
+    if(hash_alg != NRF_CRYPTO_HASH_ALG_SHA256)
+    {
+        return NRF_ERROR_NOT_SUPPORTED;
+    }
+
+    if(p_hash->len != (256 >> 3))
+    {
+        return NRF_ERROR_INVALID_LENGTH;
+    }
+
+    err_code = sha256_init(&ctx);
+    VERIFY_SUCCESS(err_code);
+
+    err_code = sha256_update(&ctx, p_data, len);
+    VERIFY_SUCCESS(err_code);
+
+    err_code = sha256_final(&ctx, p_hash->p_le_data, 1);
+    VERIFY_SUCCESS(err_code);
+
+    p_hash->len = (256 >> 3);
+
+    return NRF_SUCCESS;
+}
+
+