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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs')
7 files changed, 547 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/README.txt b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/README.txt new file mode 100644 index 0000000..e9867bc --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/README.txt @@ -0,0 +1,26 @@ +This directory contains example configuration files. + +The examples are generally focused on a particular usage case (eg, support for +a restricted number of ciphersuites) and aim at minimizing resource usage for +this target. They can be used as a basis for custom configurations. + +These files are complete replacements for the default config.h. To use one of +them, you can pick one of the following methods: + +1. Replace the default file include/mbedtls/config.h with the chosen one. + (Depending on your compiler, you may need to ajust the line with + #include "mbedtls/check_config.h" then.) + +2. Define MBEDTLS_CONFIG_FILE and adjust the include path accordingly. + For example, using make: + + CFLAGS="-I$PWD/configs -DMBEDTLS_CONFIG_FILE='<foo.h>'" make + + Or, using cmake: + + find . -iname '*cmake*' -not -name CMakeLists.txt -exec rm -rf {} + + CFLAGS="-I$PWD/configs -DMBEDTLS_CONFIG_FILE='<foo.h>'" cmake . + make + +Note that the second method also works if you want to keep your custom +configuration file outside the mbed TLS tree. diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-ccm-psk-tls1_2.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-ccm-psk-tls1_2.h new file mode 100644 index 0000000..aee10b8 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-ccm-psk-tls1_2.h @@ -0,0 +1,85 @@ +/* + * Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites + * Distinguishing features: + * - no bignum, no PK, no X509 + * - fully modern and secure (provided the pre-shared keys have high entropy) + * - very low record overhead with CCM-8 + * - optimized for low RAM usage + * + * See README.txt for usage instructions. + */ +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +//#define MBEDTLS_HAVE_TIME /* Optionally used in Hello messages */ +/* Other MBEDTLS_HAVE_XXX flags irrelevant for this configuration */ + +/* mbed TLS feature support */ +#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED +#define MBEDTLS_SSL_PROTO_TLS1_2 + +/* mbed TLS modules */ +#define MBEDTLS_AES_C +#define MBEDTLS_CCM_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_CTR_DRBG_C +#define MBEDTLS_ENTROPY_C +#define MBEDTLS_MD_C +#define MBEDTLS_NET_C +#define MBEDTLS_SHA256_C +#define MBEDTLS_SSL_CLI_C +#define MBEDTLS_SSL_SRV_C +#define MBEDTLS_SSL_TLS_C + +/* Save RAM at the expense of ROM */ +#define MBEDTLS_AES_ROM_TABLES + +/* Save some RAM by adjusting to your exact needs */ +#define MBEDTLS_PSK_MAX_LEN 16 /* 128-bits keys are generally enough */ + +/* + * You should adjust this to the exact number of sources you're using: default + * is the "platform_entropy_poll" source, but you may want to add other ones + * Minimum is 2 for the entropy test suite. + */ +#define MBEDTLS_ENTROPY_MAX_SOURCES 2 + +/* + * Use only CCM_8 ciphersuites, and + * save ROM and a few bytes of RAM by specifying our own ciphersuite list + */ +#define MBEDTLS_SSL_CIPHERSUITES \ + MBEDTLS_TLS_PSK_WITH_AES_256_CCM_8, \ + MBEDTLS_TLS_PSK_WITH_AES_128_CCM_8 + +/* + * Save RAM at the expense of interoperability: do this only if you control + * both ends of the connection! (See comments in "mbedtls/ssl.h".) + * The optimal size here depends on the typical size of records. + */ +#define MBEDTLS_SSL_MAX_CONTENT_LEN 512 + +#include "mbedtls/check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-mini-tls1_1.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-mini-tls1_1.h new file mode 100644 index 0000000..e22363d --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-mini-tls1_1.h @@ -0,0 +1,75 @@ +/* + * Minimal configuration for TLS 1.1 (RFC 4346) + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * Minimal configuration for TLS 1.1 (RFC 4346), implementing only the + * required ciphersuite: MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA + * + * See README.txt for usage instructions. + */ + +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +#define MBEDTLS_HAVE_ASM +#define MBEDTLS_HAVE_TIME + +/* mbed TLS feature support */ +#define MBEDTLS_CIPHER_MODE_CBC +#define MBEDTLS_PKCS1_V15 +#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED +#define MBEDTLS_SSL_PROTO_TLS1_1 + +/* mbed TLS modules */ +#define MBEDTLS_AES_C +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C +#define MBEDTLS_BIGNUM_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_CTR_DRBG_C +#define MBEDTLS_DES_C +#define MBEDTLS_ENTROPY_C +#define MBEDTLS_MD_C +#define MBEDTLS_MD5_C +#define MBEDTLS_NET_C +#define MBEDTLS_OID_C +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_RSA_C +#define MBEDTLS_SHA1_C +#define MBEDTLS_SHA256_C +#define MBEDTLS_SSL_CLI_C +#define MBEDTLS_SSL_SRV_C +#define MBEDTLS_SSL_TLS_C +#define MBEDTLS_X509_CRT_PARSE_C +#define MBEDTLS_X509_USE_C + +/* For test certificates */ +#define MBEDTLS_BASE64_C +#define MBEDTLS_CERTS_C +#define MBEDTLS_PEM_PARSE_C + +/* For testing with compat.sh */ +#define MBEDTLS_FS_IO + +#include "mbedtls/check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-no-entropy.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-no-entropy.h new file mode 100644 index 0000000..95f17d4 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-no-entropy.h @@ -0,0 +1,85 @@ +/** + * Minimal configuration of features that do not require an entropy source + * + * Copyright (C) 2016, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * Minimal configuration of features that do not require an entropy source + * Distinguishing reatures: + * - no entropy module + * - no TLS protocol implementation available due to absence of an entropy + * source + * + * See README.txt for usage instructions. + */ + +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +#define MBEDTLS_HAVE_ASM +#define MBEDTLS_HAVE_TIME + +/* mbed TLS feature support */ +#define MBEDTLS_CIPHER_MODE_CBC +#define MBEDTLS_CIPHER_PADDING_PKCS7 +#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES +#define MBEDTLS_ECP_DP_SECP256R1_ENABLED +#define MBEDTLS_ECP_DP_SECP384R1_ENABLED +#define MBEDTLS_ECP_DP_CURVE25519_ENABLED +#define MBEDTLS_ECP_NIST_OPTIM +#define MBEDTLS_ECDSA_DETERMINISTIC +#define MBEDTLS_PK_RSA_ALT_SUPPORT +#define MBEDTLS_PKCS1_V15 +#define MBEDTLS_PKCS1_V21 +#define MBEDTLS_SELF_TEST +#define MBEDTLS_VERSION_FEATURES +#define MBEDTLS_X509_CHECK_KEY_USAGE +#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE + +/* mbed TLS modules */ +#define MBEDTLS_AES_C +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C +#define MBEDTLS_BASE64_C +#define MBEDTLS_BIGNUM_C +#define MBEDTLS_CCM_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_ECDSA_C +#define MBEDTLS_ECP_C +#define MBEDTLS_ERROR_C +#define MBEDTLS_GCM_C +#define MBEDTLS_HMAC_DRBG_C +#define MBEDTLS_MD_C +#define MBEDTLS_OID_C +#define MBEDTLS_PEM_PARSE_C +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_PK_WRITE_C +#define MBEDTLS_PLATFORM_C +#define MBEDTLS_RSA_C +#define MBEDTLS_SHA256_C +#define MBEDTLS_SHA512_C +#define MBEDTLS_VERSION_C +#define MBEDTLS_X509_USE_C +#define MBEDTLS_X509_CRT_PARSE_C +#define MBEDTLS_X509_CRL_PARSE_C + +#include "check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-picocoin.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-picocoin.h new file mode 100644 index 0000000..26b24a9 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-picocoin.h @@ -0,0 +1,71 @@ +/* + * Reduced configuration used by Picocoin. + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * Reduced configuration used by Picocoin. + * + * See README.txt for usage instructions. + * + * Distinguishing features: + * - no SSL/TLS; + * - no X.509; + * - ECDSA/PK and some other chosen crypto bits. + */ + +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +#define MBEDTLS_HAVE_ASM +#define MBEDTLS_HAVE_TIME + +/* mbed TLS feature support */ +#define MBEDTLS_CIPHER_MODE_CBC +#define MBEDTLS_CIPHER_PADDING_PKCS7 +#define MBEDTLS_ECP_DP_SECP256K1_ENABLED +#define MBEDTLS_ECDSA_DETERMINISTIC +#define MBEDTLS_PK_PARSE_EC_EXTENDED +#define MBEDTLS_ERROR_STRERROR_DUMMY +#define MBEDTLS_FS_IO + +/* mbed TLS modules */ +#define MBEDTLS_AESNI_C +#define MBEDTLS_AES_C +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C +#define MBEDTLS_BASE64_C +#define MBEDTLS_BIGNUM_C +#define MBEDTLS_ECDSA_C +#define MBEDTLS_ECP_C +#define MBEDTLS_ENTROPY_C +#define MBEDTLS_HMAC_DRBG_C +#define MBEDTLS_MD_C +#define MBEDTLS_OID_C +#define MBEDTLS_PADLOCK_C +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_PK_WRITE_C +#define MBEDTLS_RIPEMD160_C +#define MBEDTLS_SHA1_C +#define MBEDTLS_SHA256_C + +#include "mbedtls/check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-suite-b.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-suite-b.h new file mode 100644 index 0000000..3c4804c --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-suite-b.h @@ -0,0 +1,114 @@ +/* + * Minimal configuration for TLS NSA Suite B Profile (RFC 6460) + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * Minimal configuration for TLS NSA Suite B Profile (RFC 6460) + * + * Distinguishing features: + * - no RSA or classic DH, fully based on ECC + * - optimized for low RAM usage + * + * Possible improvements: + * - if 128-bit security is enough, disable secp384r1 and SHA-512 + * - use embedded certs in DER format and disable PEM_PARSE_C and BASE64_C + * + * See README.txt for usage instructions. + */ + +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +#define MBEDTLS_HAVE_ASM +#define MBEDTLS_HAVE_TIME + +/* mbed TLS feature support */ +#define MBEDTLS_ECP_DP_SECP256R1_ENABLED +#define MBEDTLS_ECP_DP_SECP384R1_ENABLED +#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED +#define MBEDTLS_SSL_PROTO_TLS1_2 + +/* mbed TLS modules */ +#define MBEDTLS_AES_C +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C +#define MBEDTLS_BIGNUM_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_CTR_DRBG_C +#define MBEDTLS_ECDH_C +#define MBEDTLS_ECDSA_C +#define MBEDTLS_ECP_C +#define MBEDTLS_ENTROPY_C +#define MBEDTLS_GCM_C +#define MBEDTLS_MD_C +#define MBEDTLS_NET_C +#define MBEDTLS_OID_C +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_SHA256_C +#define MBEDTLS_SHA512_C +#define MBEDTLS_SSL_CLI_C +#define MBEDTLS_SSL_SRV_C +#define MBEDTLS_SSL_TLS_C +#define MBEDTLS_X509_CRT_PARSE_C +#define MBEDTLS_X509_USE_C + +/* For test certificates */ +#define MBEDTLS_BASE64_C +#define MBEDTLS_CERTS_C +#define MBEDTLS_PEM_PARSE_C + +/* Save RAM at the expense of ROM */ +#define MBEDTLS_AES_ROM_TABLES + +/* Save RAM by adjusting to our exact needs */ +#define MBEDTLS_ECP_MAX_BITS 384 +#define MBEDTLS_MPI_MAX_SIZE 48 // 384 bits is 48 bytes + +/* Save RAM at the expense of speed, see ecp.h */ +#define MBEDTLS_ECP_WINDOW_SIZE 2 +#define MBEDTLS_ECP_FIXED_POINT_OPTIM 0 + +/* Significant speed benefit at the expense of some ROM */ +#define MBEDTLS_ECP_NIST_OPTIM + +/* + * You should adjust this to the exact number of sources you're using: default + * is the "mbedtls_platform_entropy_poll" source, but you may want to add other ones. + * Minimum is 2 for the entropy test suite. + */ +#define MBEDTLS_ENTROPY_MAX_SOURCES 2 + +/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */ +#define MBEDTLS_SSL_CIPHERSUITES \ + MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, \ + MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 + +/* + * Save RAM at the expense of interoperability: do this only if you control + * both ends of the connection! (See coments in "mbedtls/ssl.h".) + * The minimum size here depends on the certificate chain used as well as the + * typical size of records. + */ +#define MBEDTLS_SSL_MAX_CONTENT_LEN 1024 + +#include "mbedtls/check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-thread.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-thread.h new file mode 100644 index 0000000..990fe08 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/configs/config-thread.h @@ -0,0 +1,91 @@ +/* + * Minimal configuration for using TLS as part of Thread + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ + +/* + * Minimal configuration for using TLS a part of Thread + * http://threadgroup.org/ + * + * Distinguishing features: + * - no RSA or classic DH, fully based on ECC + * - no X.509 + * - support for experimental EC J-PAKE key exchange + * + * See README.txt for usage instructions. + */ + +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* System support */ +#define MBEDTLS_HAVE_ASM + +/* mbed TLS feature support */ +#define MBEDTLS_AES_ROM_TABLES +#define MBEDTLS_ECP_DP_SECP256R1_ENABLED +#define MBEDTLS_ECP_NIST_OPTIM +#define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED +#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH +#define MBEDTLS_SSL_PROTO_TLS1_2 +#define MBEDTLS_SSL_PROTO_DTLS +#define MBEDTLS_SSL_DTLS_ANTI_REPLAY +#define MBEDTLS_SSL_DTLS_HELLO_VERIFY +#define MBEDTLS_SSL_EXPORT_KEYS + +/* mbed TLS modules */ +#define MBEDTLS_AES_C +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C +#define MBEDTLS_BIGNUM_C +#define MBEDTLS_CCM_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_CTR_DRBG_C +#define MBEDTLS_CMAC_C +#define MBEDTLS_ECJPAKE_C +#define MBEDTLS_ECP_C +#define MBEDTLS_ENTROPY_C +#define MBEDTLS_HMAC_DRBG_C +#define MBEDTLS_MD_C +#define MBEDTLS_OID_C +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_SHA256_C +#define MBEDTLS_SSL_COOKIE_C +#define MBEDTLS_SSL_CLI_C +#define MBEDTLS_SSL_SRV_C +#define MBEDTLS_SSL_TLS_C + +/* For tests using ssl-opt.sh */ +#define MBEDTLS_NET_C +#define MBEDTLS_TIMING_C + +/* Save RAM at the expense of ROM */ +#define MBEDTLS_AES_ROM_TABLES + +/* Save RAM by adjusting to our exact needs */ +#define MBEDTLS_ECP_MAX_BITS 256 +#define MBEDTLS_MPI_MAX_SIZE 32 // 256 bits is 32 bytes + +/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */ +#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8 + +#include "mbedtls/check_config.h" + +#endif /* MBEDTLS_CONFIG_H */ |