CRYPTO(7) - Linux man page online | Overview, conventions, and miscellany

The Crypto Application.

crypto 4.2
crypto(7) Erlang Application Definition crypto(7)


crypto - The Crypto Application


The purpose of the Crypto application is to provide an Erlang API to cryptographic func‐ tions, see crypto(3erl). Note that the API is on a fairly low level and there are some corresponding API functions available in public_key(3erl), on a higher abstraction level, that uses the crypto application in its implementation.


The current crypto implementation uses nifs to interface OpenSSLs crypto library and may work with limited functionality with as old versions as OpenSSL 0.9.8c. FIPS mode support requires at least version 1.0.1 and a FIPS capable OpenSSL installation. We recommend using a version that is officially supported by the OpenSSL project. API compatible back‐ ends like LibreSSL should also work. Source releases of OpenSSL can be downloaded from the OpenSSL project home page, or mirror sites listed there.


The following configuration parameters are defined for the crypto application. See app(3erl) for more information about configuration parameters. fips_mode = boolean(): Specifies whether to run crypto in FIPS mode. This setting will take effect when the nif module is loaded. If FIPS mode is requested but not available at run time the nif module and thus the crypto module will fail to load. This mechanism prevents the acci‐ dental use of non-validated algorithms.


Ericsson AB crypto 4.2 crypto(7)
This manual Reference Other manuals
crypto(7) referred by ASYNC_start_job(3ssl) | ASYNC_WAIT_CTX_new(3ssl) | crypto(4freebsd) | crypto(9freebsd) | crypto_dispatch(9freebsd) | crypto_done(9freebsd) | crypto_freereq(9freebsd) | crypto_freesession(9freebsd) | crypto_get_driverid(9freebsd) | crypto_getreq(9freebsd) | crypto_kdispatch(9freebsd) | crypto_kdone(9freebsd) | crypto_kregister(9freebsd) | crypto_newsession(9freebsd) | crypto_register(9freebsd) | CRYPTO_THREAD_run_once(3ssl) | crypto_unblock(9freebsd) | crypto_unregister(9freebsd) | crypto_unregister_all(9freebsd) | cryptodev(4freebsd)
refer to application(3erl) | crypto(3erl) | public_key(3erl)
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