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  • emSSL
  • Supported Cipher Suites

    Supported cipher suites

    emSSL includes the most commonly used cipher suites, which allows to connect to nearly every TLS-supporting server.

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    SEGGER emSSL

    Dynamically added cipher suites

    Cipher suites are added to emSSL dynamically, at runtime, totally eliminating the nightmare of "configuration spaghetti" preprocessor symbols. When the required cipher suites are known it is possible to create a minimal size configuration by not linking in unused algorithms. This is can be done by the compiler/linker automatically. With the included scan suites application it is possible to determine which cipher suites are supposed by a particular server.

    The following list shows the cipher suites which are available in emSSL:

    The cipher suites are grouped by key exchange algorithm.

    ECDHE-ECDSA

    • ECDHE-ECDSA-WITH-CHACHA20-POLY1305-SHA256
    • ECDHE-ECDSA-WITH-3DES-EDE-CBC-SHA
    • ECDHE-ECDSA-WITH-AES-128-CBC-SHA
    • ECDHE-ECDSA-WITH-AES-128-CBC-SHA256
    • ECDHE-ECDSA-WITH-AES-128-CCM
    • ECDHE-ECDSA-WITH-AES-128-CCM-8
    • ECDHE-ECDSA-WITH-AES-128-GCM-SHA256
    • ECDHE-ECDSA-WITH-AES-256-CBC-SHA
    • ECDHE-ECDSA-WITH-AES-256-CBC-SHA384
    • ECDHE-ECDSA-WITH-AES-256-CCM
    • ECDHE-ECDSA-WITH-AES-256-CCM-8
    • ECDHE-ECDSA-WITH-AES-256-GCM-SHA384
    • ECDHE-ECDSA-WITH-ARIA-128-CBC-SHA256
    • ECDHE-ECDSA-WITH-ARIA-128-GCM-SHA256
    • ECDHE-ECDSA-WITH-ARIA-256-CBC-SHA384
    • ECDHE-ECDSA-WITH-ARIA-256-GCM-SHA384
    • ECDHE-ECDSA-WITH-CAMELLIA-128-CBC-SHA256
    • ECDHE-ECDSA-WITH-CAMELLIA-128-GCM-SHA256
    • ECDHE-ECDSA-WITH-CAMELLIA-256-CBC-SHA384
    • ECDHE-ECDSA-WITH-CAMELLIA-256-GCM-SHA384
    • ECDHE-ECDSA-WITH-RC4-128-SHA

    ECDH-ECDSA

    • ECDH-ECDSA-WITH-RC4-128-SHA
    • ECDH-ECDSA-WITH-3DES-EDE-CBC-SHA
    • ECDH-ECDSA-WITH-AES-128-CBC-SHA
    • ECDH-ECDSA-WITH-AES-128-CBC-SHA256
    • ECDH-ECDSA-WITH-AES-128-GCM-SHA256
    • ECDH-ECDSA-WITH-AES-256-CBC-SHA
    • ECDH-ECDSA-WITH-AES-256-CBC-SHA384
    • ECDH-ECDSA-WITH-AES-256-GCM-SHA384
    • ECDH-ECDSA-WITH-ARIA-128-CBC-SHA256
    • ECDH-ECDSA-WITH-ARIA-128-GCM-SHA256
    • ECDH-ECDSA-WITH-ARIA-256-CBC-SHA384
    • ECDH-ECDSA-WITH-ARIA-256-GCM-SHA384
    • ECDH-ECDSA-WITH-CAMELLIA-128-CBC-SHA256
    • ECDH-ECDSA-WITH-CAMELLIA-128-GCM-SHA256
    • ECDH-ECDSA-WITH-CAMELLIA-256-CBC-SHA384
    • ECDH-ECDSA-WITH-CAMELLIA-256-GCM-SHA384

    ECDHE-RSA

    • ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256
    • ECDHE-RSA-WITH-3DES-EDE-CBC-SHA
    • ECDHE-RSA-WITH-AES-128-CBC-SHA
    • ECDHE-RSA-WITH-AES-128-CBC-SHA256
    • ECDHE-RSA-WITH-AES-128-GCM-SHA256
    • ECDHE-RSA-WITH-AES-256-CBC-SHA
    • ECDHE-RSA-WITH-AES-256-CBC-SHA384
    • ECDHE-RSA-WITH-AES-256-GCM-SHA384
    • ECDHE-RSA-WITH-ARIA-128-CBC-SHA256
    • ECDHE-RSA-WITH-ARIA-128-GCM-SHA256
    • ECDHE-RSA-WITH-ARIA-256-CBC-SHA384
    • ECDHE-RSA-WITH-ARIA-256-GCM-SHA384
    • ECDHE-RSA-WITH-CAMELLIA-128-CBC-SHA256
    • ECDHE-RSA-WITH-CAMELLIA-128-GCM-SHA256
    • ECDHE-RSA-WITH-CAMELLIA-256-CBC-SHA384
    • ECDHE-RSA-WITH-CAMELLIA-256-GCM-SHA384
    • ECDHE-RSA-WITH-RC4-128-SHA

    ECDH-RSA

    • ECDH-RSA-WITH-3DES-EDE-CBC-SHA
    • ECDH-RSA-WITH-AES-128-CBC-SHA
    • ECDH-RSA-WITH-AES-128-CBC-SHA256
    • ECDH-RSA-WITH-AES-128-GCM-SHA256
    • ECDH-RSA-WITH-AES-256-CBC-SHA
    • ECDH-RSA-WITH-AES-256-CBC-SHA384
    • ECDH-RSA-WITH-AES-256-GCM-SHA384
    • ECDH-RSA-WITH-ARIA-128-CBC-SHA256
    • ECDH-RSA-WITH-ARIA-128-GCM-SHA256
    • ECDH-RSA-WITH-ARIA-256-CBC-SHA384
    • ECDH-RSA-WITH-ARIA-256-GCM-SHA384
    • ECDH-RSA-WITH-CAMELLIA-128-CBC-SHA256
    • ECDH-RSA-WITH-CAMELLIA-128-GCM-SHA256
    • ECDH-RSA-WITH-CAMELLIA-256-CBC-SHA384
    • ECDH-RSA-WITH-CAMELLIA-256-GCM-SHA384
    • ECDH-RSA-WITH-RC4-128-SHA

    DHE-RSA

    • DHE-RSA-WITH-CHACHA20-POLY1305-SHA256
    • DHE-RSA-WITH-3DES-EDE-CBC-SHA
    • DHE-RSA-WITH-SEED-CBC-SHA
    • DHE-RSA-WITH-AES-128-CBC-SHA
    • DHE-RSA-WITH-AES-128-CBC-SHA256
    • DHE-RSA-WITH-AES-128-CCM
    • DHE-RSA-WITH-AES-128-CCM-8
    • DHE-RSA-WITH-AES-128-GCM-SHA256
    • DHE-RSA-WITH-AES-256-CBC-SHA
    • DHE-RSA-WITH-AES-256-CBC-SHA256
    • DHE-RSA-WITH-AES-256-CCM
    • DHE-RSA-WITH-AES-256-CCM-8
    • DHE-RSA-WITH-AES-256-GCM-SHA384
    • DHE-RSA-WITH-ARIA-128-CBC-SHA256
    • DHE-RSA-WITH-ARIA-256-CBC-SHA384
    • DHE-RSA-WITH-ARIA-128-GCM-SHA256
    • DHE-RSA-WITH-ARIA-256-GCM-SHA384
    • DHE-RSA-WITH-CAMELLIA-128-CBC-SHA
    • DHE-RSA-WITH-CAMELLIA-256-CBC-SHA
    • DHE-RSA-WITH-CAMELLIA-128-CBC-SHA256
    • DHE-RSA-WITH-CAMELLIA-256-CBC-SHA256

    RSA

    • RSA-WITH-3DES-EDE-CBC-SHA
    • RSA-WITH-SEED-CBC-SHA
    • RSA-WITH-AES-128-CBC-SHA
    • RSA-WITH-AES-128-CBC-SHA256
    • RSA-WITH-AES-128-CCM
    • RSA-WITH-AES-128-GCM-SHA256
    • RSA-WITH-AES-256-CBC-SHA
    • RSA-WITH-AES-256-CBC-SHA256
    • RSA-WITH-AES-256-CCM
    • RSA-WITH-AES-256-GCM-SHA384
    • RSA-WITH-CAMELLIA-128-CBC-SHA
    • RSA-WITH-CAMELLIA-256-CBC-SHA
    • RSA-WITH-CAMELLIA-128-CBC-SHA256
    • RSA-WITH-CAMELLIA-256-CBC-SHA256
    • RSA-WITH-ARIA-128-CBC-SHA256
    • RSA-WITH-ARIA-256-CBC-SHA384
    • RSA-WITH-ARIA-128-GCM-SHA256
    • RSA-WITH-ARIA-256-GCM-SHA384
    • RSA-WITH-RC4-128-MD5
    • RSA-WITH-RC4-128-SHA
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