|  | # TLS/DTLS related options | 
|  |  | 
|  | # Copyright (c) 2018 Intel Corporation | 
|  | # Copyright (c) 2018 Nordic Semiconductor ASA | 
|  | # SPDX-License-Identifier: Apache-2.0 | 
|  |  | 
|  | menu "TLS configuration" | 
|  | depends on MBEDTLS_BUILTIN && MBEDTLS_CFG_FILE = "config-tls-generic.h" | 
|  |  | 
|  | menu "Supported TLS version" | 
|  |  | 
|  | config MBEDTLS_TLS_VERSION_1_0 | 
|  | bool "Enable support for TLS 1.0" | 
|  | select MBEDTLS_CIPHER | 
|  | select MBEDTLS_MAC_MD5_ENABLED | 
|  | select MBEDTLS_MAC_SHA1_ENABLED | 
|  | select MBEDTLS_MD | 
|  |  | 
|  | config MBEDTLS_TLS_VERSION_1_1 | 
|  | bool "Enable support for TLS 1.1 (DTLS 1.0)" | 
|  | select MBEDTLS_CIPHER | 
|  | select MBEDTLS_MAC_MD5_ENABLED | 
|  | select MBEDTLS_MAC_SHA1_ENABLED | 
|  | select MBEDTLS_MD | 
|  |  | 
|  | config MBEDTLS_TLS_VERSION_1_2 | 
|  | bool "Enable support for TLS 1.2 (DTLS 1.2)" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  | select MBEDTLS_CIPHER | 
|  | select MBEDTLS_MD | 
|  |  | 
|  | config MBEDTLS_DTLS | 
|  | bool "Enable support for DTLS" | 
|  | depends on MBEDTLS_TLS_VERSION_1_1 || MBEDTLS_TLS_VERSION_1_2 | 
|  |  | 
|  | config MBEDTLS_SSL_EXPORT_KEYS | 
|  | bool "Enable support for exporting SSL key block and master secret" | 
|  | depends on MBEDTLS_TLS_VERSION_1_0 || MBEDTLS_TLS_VERSION_1_1 || MBEDTLS_TLS_VERSION_1_2 | 
|  |  | 
|  | config MBEDTLS_SSL_ALPN | 
|  | bool "Enable support for setting the supported Application Layer Protocols" | 
|  | depends on MBEDTLS_TLS_VERSION_1_0 || MBEDTLS_TLS_VERSION_1_1 || MBEDTLS_TLS_VERSION_1_2 | 
|  |  | 
|  | endmenu | 
|  |  | 
|  | menu "Ciphersuite configuration" | 
|  |  | 
|  | comment "Supported key exchange modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ALL_ENABLED | 
|  | bool "Enable all available ciphersuite modes" | 
|  | select MBEDTLS_KEY_EXCHANGE_PSK_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_RSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED | 
|  | select MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_PSK_ENABLED | 
|  | bool "Enable the PSK based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED | 
|  | bool "Enable the DHE-PSK based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED | 
|  | bool "Enable the ECDHE-PSK based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED | 
|  | bool "Enable the RSA-PSK based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_RSA_ENABLED | 
|  | bool "Enable the RSA-only based ciphersuite modes" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED | 
|  | bool "Enable the DHE-RSA based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED | 
|  | bool "Enable the ECDHE-RSA based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED | 
|  | bool "Enable the ECDHE-ECDSA based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED | 
|  | bool "Enable the ECDH-ECDSA based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_ECDSA_DETERMINISTIC | 
|  | bool "Enable deterministic ECDSA (RFC 6979)" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED | 
|  | bool "Enable the ECDH-RSA based ciphersuite modes" | 
|  |  | 
|  | config MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED | 
|  | bool "Enable the ECJPAKE based ciphersuite modes" | 
|  |  | 
|  | if MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED || \ | 
|  | MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED || \ | 
|  | MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED || \ | 
|  | MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED || \ | 
|  | MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED || \ | 
|  | MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED | 
|  |  | 
|  | comment "Supported elliptic curves" | 
|  |  | 
|  | config MBEDTLS_ECP_ALL_ENABLED | 
|  | bool "Enable all available elliptic curves" | 
|  | select MBEDTLS_ECP_DP_SECP192R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP192R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP224R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP256R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP384R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP521R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP192K1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP224K1_ENABLED | 
|  | select MBEDTLS_ECP_DP_SECP256K1_ENABLED | 
|  | select MBEDTLS_ECP_DP_BP256R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_BP384R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_BP512R1_ENABLED | 
|  | select MBEDTLS_ECP_DP_CURVE25519_ENABLED | 
|  | select MBEDTLS_ECP_DP_CURVE448_ENABLED | 
|  | select MBEDTLS_ECP_NIST_OPTIM | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP192R1_ENABLED | 
|  | bool "Enable SECP192R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP224R1_ENABLED | 
|  | bool "Enable SECP224R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP256R1_ENABLED | 
|  | bool "Enable SECP256R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP384R1_ENABLED | 
|  | bool "Enable SECP384R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP521R1_ENABLED | 
|  | bool "Enable SECP521R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP192K1_ENABLED | 
|  | bool "Enable SECP192K1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP224K1_ENABLED | 
|  | bool "Enable SECP224K1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_SECP256K1_ENABLED | 
|  | bool "Enable SECP256K1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_BP256R1_ENABLED | 
|  | bool "Enable BP256R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_BP384R1_ENABLED | 
|  | bool "Enable BP384R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_BP512R1_ENABLED | 
|  | bool "Enable BP512R1 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_CURVE25519_ENABLED | 
|  | bool "Enable CURVE25519 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_DP_CURVE448_ENABLED | 
|  | bool "Enable CURVE448 elliptic curve" | 
|  |  | 
|  | config MBEDTLS_ECP_NIST_OPTIM | 
|  | bool "Enable NSIT curves optimization" | 
|  |  | 
|  | endif | 
|  |  | 
|  | comment "Supported cipher modes" | 
|  |  | 
|  | config MBEDTLS_CIPHER_ALL_ENABLED | 
|  | bool "Enable all available ciphers" | 
|  | select MBEDTLS_CIPHER_AES_ENABLED | 
|  | select MBEDTLS_CIPHER_CAMELLIA_ENABLED | 
|  | select MBEDTLS_CIPHER_DES_ENABLED | 
|  | select MBEDTLS_CIPHER_ARC4_ENABLED | 
|  | select MBEDTLS_CIPHER_CHACHA20_ENABLED | 
|  | select MBEDTLS_CIPHER_BLOWFISH_ENABLED | 
|  | select MBEDTLS_CIPHER_CCM_ENABLED | 
|  | select MBEDTLS_CIPHER_GCM_ENABLED | 
|  | select MBEDTLS_CIPHER_MODE_XTS_ENABLED | 
|  | select MBEDTLS_CIPHER_MODE_CBC_ENABLED | 
|  | select MBEDTLS_CIPHER_MODE_CTR_ENABLED | 
|  | select MBEDTLS_CHACHAPOLY_AEAD_ENABLED | 
|  |  | 
|  | config MBEDTLS_CIPHER_AES_ENABLED | 
|  | bool "Enable the AES block cipher" | 
|  | default y | 
|  |  | 
|  | config MBEDTLS_AES_ROM_TABLES | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED | 
|  | bool "Use precomputed AES tables stored in ROM." | 
|  | default y | 
|  |  | 
|  | config MBEDTLS_CIPHER_CAMELLIA_ENABLED | 
|  | bool "Enable the Camellia block cipher" | 
|  |  | 
|  | config MBEDTLS_CIPHER_DES_ENABLED | 
|  | bool "Enable the DES block cipher" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  |  | 
|  | config MBEDTLS_CIPHER_ARC4_ENABLED | 
|  | bool "Enable the ARC4 stream cipher" | 
|  |  | 
|  | config MBEDTLS_CIPHER_CHACHA20_ENABLED | 
|  | bool "Enable the ChaCha20 stream cipher" | 
|  |  | 
|  | config MBEDTLS_CIPHER_BLOWFISH_ENABLED | 
|  | bool "Enable the Blowfish block cipher" | 
|  |  | 
|  | config MBEDTLS_CIPHER_CCM_ENABLED | 
|  | bool "Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher" | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED || MBEDTLS_CIPHER_CAMELLIA_ENABLED | 
|  |  | 
|  | config MBEDTLS_CIPHER_GCM_ENABLED | 
|  | bool "Enable the Galois/Counter Mode (GCM) for AES" | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED || MBEDTLS_CIPHER_CAMELLIA_ENABLED | 
|  |  | 
|  | config MBEDTLS_CIPHER_MODE_XTS_ENABLED | 
|  | bool "Enable Xor-encrypt-xor with ciphertext stealing mode (XTS) for AES" | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED || MBEDTLS_CIPHER_CAMELLIA_ENABLED | 
|  |  | 
|  | config MBEDTLS_CIPHER_MODE_CBC_ENABLED | 
|  | bool "Enable Cipher Block Chaining mode (CBC) for symmetric ciphers" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  |  | 
|  | config MBEDTLS_CIPHER_MODE_CTR_ENABLED | 
|  | bool "Enable Counter Block Cipher mode (CTR) for symmetric ciphers." | 
|  |  | 
|  | config MBEDTLS_CHACHAPOLY_AEAD_ENABLED | 
|  | bool "Enable the ChaCha20-Poly1305 AEAD algorithm" | 
|  | depends on MBEDTLS_CIPHER_CHACHA20_ENABLED || MBEDTLS_MAC_POLY1305_ENABLED | 
|  |  | 
|  | comment "Supported message authentication methods" | 
|  |  | 
|  | config MBEDTLS_MAC_ALL_ENABLED | 
|  | bool "Enable all available MAC methods" | 
|  | select MBEDTLS_MAC_MD4_ENABLED | 
|  | select MBEDTLS_MAC_MD5_ENABLED | 
|  | select MBEDTLS_MAC_SHA1_ENABLED | 
|  | select MBEDTLS_MAC_SHA256_ENABLED | 
|  | select MBEDTLS_MAC_SHA512_ENABLED | 
|  | select MBEDTLS_MAC_POLY1305_ENABLED | 
|  | select MBEDTLS_MAC_CMAC_ENABLED | 
|  |  | 
|  | config MBEDTLS_MAC_MD4_ENABLED | 
|  | bool "Enable the MD4 hash algorithm" | 
|  |  | 
|  | config MBEDTLS_MAC_MD5_ENABLED | 
|  | bool "Enable the MD5 hash algorithm" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  |  | 
|  | config MBEDTLS_MAC_SHA1_ENABLED | 
|  | bool "Enable the SHA1 hash algorithm" | 
|  | default y if !NET_L2_OPENTHREAD | 
|  |  | 
|  | config MBEDTLS_MAC_SHA256_ENABLED | 
|  | bool "Enable the SHA-224 and SHA-256 hash algorithms" | 
|  | default y | 
|  |  | 
|  | config MBEDTLS_SHA256_SMALLER | 
|  | bool "Enable smaller SHA-256 implementation" | 
|  | depends on MBEDTLS_MAC_SHA256_ENABLED | 
|  | default y | 
|  | help | 
|  | Enable an implementation of SHA-256 that has lower ROM footprint but also | 
|  | lower performance | 
|  |  | 
|  | config MBEDTLS_MAC_SHA512_ENABLED | 
|  | bool "Enable the SHA-384 and SHA-512 hash algorithms" | 
|  |  | 
|  | config MBEDTLS_MAC_POLY1305_ENABLED | 
|  | bool "Enable the Poly1305 MAC algorithm" | 
|  |  | 
|  | config MBEDTLS_MAC_CMAC_ENABLED | 
|  | bool "Enable the CMAC (Cipher-based Message Authentication Code) mode for block ciphers." | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED || MBEDTLS_CIPHER_DES_ENABLED | 
|  |  | 
|  | endmenu | 
|  |  | 
|  | comment "Random number generators" | 
|  |  | 
|  | config MBEDTLS_CTR_DRBG_ENABLED | 
|  | bool "Enable the CTR_DRBG AES-256-based random generator" | 
|  | depends on MBEDTLS_CIPHER_AES_ENABLED | 
|  | default y | 
|  |  | 
|  | config MBEDTLS_HMAC_DRBG_ENABLED | 
|  | bool "Enable the HMAC_DRBG random generator" | 
|  | select MBEDTLS_MD | 
|  |  | 
|  | comment "Other configurations" | 
|  |  | 
|  | config MBEDTLS_CIPHER | 
|  | bool "Enable the generic cipher layer." | 
|  |  | 
|  | config MBEDTLS_MD | 
|  | bool "Enable the generic message digest layer." | 
|  |  | 
|  | config MBEDTLS_GENPRIME_ENABLED | 
|  | bool "Enable the prime-number generation code." | 
|  |  | 
|  | config MBEDTLS_PEM_CERTIFICATE_FORMAT | 
|  | bool "Enable support for PEM certificate format" | 
|  | help | 
|  | By default only DER (binary) format of certificates is supported. Enable | 
|  | this option to enable support for PEM format. | 
|  |  | 
|  | config MBEDTLS_HAVE_ASM | 
|  | bool "Enable use of assembly code" | 
|  | default y if !ARM | 
|  | help | 
|  | Enable use of assembly code in mbedTLS. This improves the performances | 
|  | of asymmetric cryptography, however this might have an impact on the | 
|  | code size. | 
|  |  | 
|  | config MBEDTLS_ENTROPY_ENABLED | 
|  | bool "Enable mbedTLS generic entropy pool" | 
|  | depends on MBEDTLS_MAC_SHA256_ENABLED || MBEDTLS_MAC_SHA512_ENABLED | 
|  |  | 
|  | config MBEDTLS_OPENTHREAD_OPTIMIZATIONS_ENABLED | 
|  | bool "Enable mbedTLS optimizations for OpenThread" | 
|  | depends on NET_L2_OPENTHREAD | 
|  | default y if !NET_SOCKETS_SOCKOPT_TLS | 
|  | help | 
|  | Enable some OpenThread specific mbedTLS optimizations that allows to | 
|  | save some RAM/ROM when OpenThread is used. Note, that when application | 
|  | aims to use other mbedTLS services on top of OpenThread (e.g. secure | 
|  | sockets), it's advised to disable this option. | 
|  |  | 
|  | config MBEDTLS_USER_CONFIG_ENABLE | 
|  | bool "Enable user mbedTLS config file" | 
|  | help | 
|  | Enable user mbedTLS config file that will be included at the end of | 
|  | the generic config file. | 
|  |  | 
|  | config MBEDTLS_USER_CONFIG_FILE | 
|  | string "User configuration file for mbedTLS" | 
|  | depends on MBEDTLS_USER_CONFIG_ENABLE | 
|  | help | 
|  | User config file that can contain mbedTLS configs that were not | 
|  | covered by the generic config file. | 
|  |  | 
|  | config MBEDTLS_SERVER_NAME_INDICATION | 
|  | bool "Enable support for RFC 6066 server name indication (SNI) in SSL" | 
|  | help | 
|  | Enable this to support RFC 6066 server name indication (SNI) in SSL. | 
|  | This requires that MBEDTLS_X509_CRT_PARSE_C is also set. | 
|  |  | 
|  | endmenu |