| /* |
| * |
| * Copyright 2018,2019 NXP |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* ************************************************************************** */ |
| /* Includes */ |
| /* ************************************************************************** */ |
| |
| #include <ex_sss.h> |
| #include <ex_sss_boot.h> |
| #include <fsl_sss_se05x_apis.h> |
| #include <nxEnsure.h> |
| #include <nxLog_App.h> |
| |
| /* ************************************************************************** */ |
| /* Local Defines */ |
| /* ************************************************************************** */ |
| #define EC_KEY_BIT_LEN 256 |
| /* ************************************************************************** */ |
| /* Structures and Typedefs */ |
| /* ************************************************************************** */ |
| |
| /* ************************************************************************** */ |
| /* Global Variables */ |
| /* ************************************************************************** */ |
| |
| /* clang-format off */ |
| const uint8_t keyPairData[] = { 0x30, 0x81, 0x87, 0x02, 0x01, 0x00, 0x30, 0x13, |
| 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, |
| 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, |
| 0x03, 0x01, 0x07, 0x04, 0x6D, 0x30, 0x6B, 0x02, |
| 0x01, 0x01, 0x04, 0x20, 0x78, 0xE5, 0x20, 0x6A, |
| 0x08, 0xED, 0xD2, 0x52, 0x36, 0x33, 0x8A, 0x24, |
| 0x84, 0xE4, 0x2F, 0x1F, 0x7D, 0x1F, 0x6D, 0x94, |
| 0x37, 0xA9, 0x95, 0x86, 0xDA, 0xFC, 0xD2, 0x23, |
| 0x6F, 0xA2, 0x87, 0x35, 0xA1, 0x44, 0x03, 0x42, |
| 0x00, 0x04, 0xED, 0xA7, 0xE9, 0x0B, 0xF9, 0x20, |
| 0xCF, 0xFB, 0x9D, 0xF6, 0xDB, 0xCE, 0xF7, 0x20, |
| 0xE1, 0x23, 0x8B, 0x3C, 0xEE, 0x84, 0x86, 0xD2, |
| 0x50, 0xE4, 0xDF, 0x30, 0x11, 0x50, 0x1A, 0x15, |
| 0x08, 0xA6, 0x2E, 0xD7, 0x49, 0x52, 0x78, 0x63, |
| 0x6E, 0x61, 0xE8, 0x5F, 0xED, 0xB0, 0x6D, 0x87, |
| 0x92, 0x0A, 0x04, 0x19, 0x14, 0xFE, 0x76, 0x63, |
| 0x55, 0xDF, 0xBD, 0x68, 0x61, 0x59, 0x31, 0x8E, |
| 0x68, 0x7C }; |
| |
| const uint8_t extPubKeyData[] = { |
| 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, |
| 0x48, 0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A, |
| 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0x03, |
| 0x42, 0x00, 0x04, 0xED, 0xA7, 0xE9, 0x0B, 0xF9, |
| 0x20, 0xCF, 0xFB, 0x9D, 0xF6, 0xDB, 0xCE, 0xF7, |
| 0x20, 0xE1, 0x23, 0x8B, 0x3C, 0xEE, 0x84, 0x86, |
| 0xD2, 0x50, 0xE4, 0xDF, 0x30, 0x11, 0x50, 0x1A, |
| 0x15, 0x08, 0xA6, 0x2E, 0xD7, 0x49, 0x52, 0x78, |
| 0x63, 0x6E, 0x61, 0xE8, 0x5F, 0xED, 0xB0, 0x6D, |
| 0x87, 0x92, 0x0A, 0x04, 0x19, 0x14, 0xFE, 0x76, |
| 0x63, 0x55, 0xDF, 0xBD, 0x68, 0x61, 0x59, 0x31, |
| 0x8E, 0x68, 0x7C |
| }; |
| |
| /* clang-format on */ |
| |
| static ex_sss_boot_ctx_t gex_sss_ecc_boot_ctx; |
| |
| /* ************************************************************************** */ |
| /* Static function declarations */ |
| /* ************************************************************************** */ |
| |
| /* ************************************************************************** */ |
| /* Private Functions */ |
| /* ************************************************************************** */ |
| |
| /* ************************************************************************** */ |
| /* Public Functions */ |
| /* ************************************************************************** */ |
| |
| #define EX_SSS_BOOT_PCONTEXT (&gex_sss_ecc_boot_ctx) |
| #define EX_SSS_BOOT_DO_ERASE 1 |
| #define EX_SSS_BOOT_EXPOSE_ARGC_ARGV 0 |
| |
| #include <ex_sss_main_inc.h> |
| |
| sss_status_t ex_sss_entry(ex_sss_boot_ctx_t *pCtx) |
| { |
| sss_status_t status = kStatus_SSS_Success; |
| uint8_t digest[32] = "Hello World"; |
| size_t digestLen; |
| uint8_t signature[256] = {0}; |
| size_t signatureLen; |
| sss_object_t keyPair; |
| sss_object_t key_pub; |
| sss_asymmetric_t ctx_asymm = {0}; |
| sss_asymmetric_t ctx_verify = {0}; |
| |
| LOG_I("Running Elliptic Curve Cryptography Example ex_sss_ecc.c"); |
| |
| digestLen = sizeof(digest); |
| |
| /* doc:start ex_sss_asymmetric-allocate-key */ |
| /* Pre-requisite for Signing Part*/ |
| status = sss_key_object_init(&keyPair, &pCtx->ks); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| status = sss_key_object_allocate_handle(&keyPair, |
| MAKE_TEST_ID(__LINE__), |
| kSSS_KeyPart_Pair, |
| kSSS_CipherType_EC_NIST_P, |
| sizeof(keyPairData), |
| kKeyObject_Mode_Persistent); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| status = sss_key_store_set_key(&pCtx->ks, &keyPair, keyPairData, sizeof(keyPairData), EC_KEY_BIT_LEN, NULL, 0); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| /* doc:end ex_sss_asymmetric-allocate-key */ |
| |
| /* doc:start ex_sss_asymmetric-asym-sign */ |
| status = sss_asymmetric_context_init(&ctx_asymm, &pCtx->session, &keyPair, kAlgorithm_SSS_SHA256, kMode_SSS_Sign); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| signatureLen = sizeof(signature); |
| /* Do Signing */ |
| LOG_I("Do Signing"); |
| LOG_MAU8_I("digest", digest, digestLen); |
| status = sss_asymmetric_sign_digest(&ctx_asymm, digest, digestLen, signature, &signatureLen); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| LOG_MAU8_I("signature", signature, signatureLen); |
| LOG_I("Signing Successful !!!"); |
| sss_asymmetric_context_free(&ctx_asymm); |
| /* doc:end ex_sss_asymmetric-asym-sign */ |
| |
| /* Pre requiste for Verifying Part*/ |
| status = sss_key_object_init(&key_pub, &pCtx->ks); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| status = sss_key_object_allocate_handle(&key_pub, |
| MAKE_TEST_ID(__LINE__), |
| kSSS_KeyPart_Public, |
| kSSS_CipherType_EC_NIST_P, |
| sizeof(extPubKeyData), |
| kKeyObject_Mode_Persistent); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| status = sss_key_store_set_key(&pCtx->ks, &key_pub, extPubKeyData, sizeof(extPubKeyData), EC_KEY_BIT_LEN, NULL, 0); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| /* doc:start ex_sss_asymmetric-asym-verify */ |
| status = |
| sss_asymmetric_context_init(&ctx_verify, &pCtx->session, &key_pub, kAlgorithm_SSS_SHA256, kMode_SSS_Verify); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| |
| LOG_I("Do Verify"); |
| LOG_MAU8_I("digest", digest, digestLen); |
| LOG_MAU8_I("signature", signature, signatureLen); |
| status = sss_asymmetric_verify_digest(&ctx_verify, digest, digestLen, signature, signatureLen); |
| ENSURE_OR_GO_CLEANUP(status == kStatus_SSS_Success); |
| LOG_I("Verification Successful !!!"); |
| /* doc:end ex_sss_asymmetric-asym-verify */ |
| |
| cleanup: |
| if (kStatus_SSS_Success == status) { |
| LOG_I("ex_sss_ecc Example Success !!!..."); |
| } |
| else { |
| LOG_E("ex_sss_ecc Example Failed !!!..."); |
| } |
| if (ctx_asymm.session != NULL) |
| sss_asymmetric_context_free(&ctx_asymm); |
| if (ctx_verify.session != NULL) |
| sss_asymmetric_context_free(&ctx_verify); |
| return status; |
| } |