diff options
Diffstat (limited to 'crypto/openssl/doc/man3/ENGINE_add.pod')
-rw-r--r-- | crypto/openssl/doc/man3/ENGINE_add.pod | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/crypto/openssl/doc/man3/ENGINE_add.pod b/crypto/openssl/doc/man3/ENGINE_add.pod index a2fc299482fc..369900c248c5 100644 --- a/crypto/openssl/doc/man3/ENGINE_add.pod +++ b/crypto/openssl/doc/man3/ENGINE_add.pod @@ -181,7 +181,7 @@ implementation includes the following abstractions; =head2 Reference counting and handles Due to the modular nature of the ENGINE API, pointers to ENGINEs need to be -treated as handles - ie. not only as pointers, but also as references to +treated as handles - i.e. not only as pointers, but also as references to the underlying ENGINE object. Ie. one should obtain a new reference when making copies of an ENGINE pointer if the copies will be used (and released) independently. @@ -252,15 +252,15 @@ operational ENGINE for a given cryptographic purpose. To obtain a functional reference from an existing structural reference, call the ENGINE_init() function. This returns zero if the ENGINE was not -already operational and couldn't be successfully initialised (eg. lack of +already operational and couldn't be successfully initialised (e.g. lack of system drivers, no special hardware attached, etc), otherwise it will -return non-zero to indicate that the ENGINE is now operational and will +return nonzero to indicate that the ENGINE is now operational and will have allocated a new B<functional> reference to the ENGINE. All functional references are released by calling ENGINE_finish() (which removes the implicit structural reference as well). The second way to get a functional reference is by asking OpenSSL for a -default implementation for a given task, eg. by ENGINE_get_default_RSA(), +default implementation for a given task, e.g. by ENGINE_get_default_RSA(), ENGINE_get_default_cipher_engine(), etc. These are discussed in the next section, though they are not usually required by application programmers as they are used automatically when creating and using the relevant @@ -278,7 +278,7 @@ In the case of other abstractions like RSA, DSA, etc, there is only one "algorithm" so all implementations implicitly register using the same 'nid' index. -When a default ENGINE is requested for a given abstraction/algorithm/mode, (eg. +When a default ENGINE is requested for a given abstraction/algorithm/mode, (e.g. when calling RSA_new_method(NULL)), a "get_default" call will be made to the ENGINE subsystem to process the corresponding state table and return a functional reference to an initialised ENGINE whose implementation should be @@ -328,7 +328,7 @@ is something for the application to control. Some applications will want to allow the user to specify exactly which ENGINE they want used if any is to be used at all. Others may prefer to load all support and have OpenSSL automatically use at run-time any ENGINE that is able to -successfully initialise - ie. to assume that this corresponds to +successfully initialise - i.e. to assume that this corresponds to acceleration hardware attached to the machine or some such thing. There are probably numerous other ways in which applications may prefer to handle things, so we will simply illustrate the consequences as they apply to a @@ -417,7 +417,7 @@ so that it can be initialised for use. This could include the path to any driver or config files it needs to load, required network addresses, smart-card identifiers, passwords to initialise protected devices, logging information, etc etc. This class of commands typically needs to be -passed to an ENGINE B<before> attempting to initialise it, ie. before +passed to an ENGINE B<before> attempting to initialise it, i.e. before calling ENGINE_init(). The other class of commands consist of settings or operations that tweak certain behaviour or cause certain operations to take place, and these commands may work either before or after ENGINE_init(), or @@ -477,7 +477,7 @@ boolean success or failure. } Note that ENGINE_ctrl_cmd_string() accepts a boolean argument that can -relax the semantics of the function - if set non-zero it will only return +relax the semantics of the function - if set nonzero it will only return failure if the ENGINE supported the given command name but failed while executing it, if the ENGINE doesn't support the command name it will simply return success without doing anything. In this case we assume the user is @@ -490,7 +490,7 @@ It is possible to discover at run-time the names, numerical-ids, descriptions and input parameters of the control commands supported by an ENGINE using a structural reference. Note that some control commands are defined by OpenSSL itself and it will intercept and handle these control commands on behalf of the -ENGINE, ie. the ENGINE's ctrl() handler is not used for the control command. +ENGINE, i.e. the ENGINE's ctrl() handler is not used for the control command. openssl/engine.h defines an index, ENGINE_CMD_BASE, that all control commands implemented by ENGINEs should be numbered from. Any command value lower than this symbol is considered a "generic" command is handled directly by the @@ -556,7 +556,7 @@ by applications, administrations, users, etc. These can support arbitrary operations via ENGINE_ctrl(), including passing to and/or from the control commands data of any arbitrary type. These commands are supported in the discovery mechanisms simply to allow applications to determine if an ENGINE -supports certain specific commands it might want to use (eg. application "foo" +supports certain specific commands it might want to use (e.g. application "foo" might query various ENGINEs to see if they implement "FOO_GET_VENDOR_LOGO_GIF" - and ENGINE could therefore decide whether or not to support this "foo"-specific extension). @@ -657,7 +657,7 @@ and should not be used. =head1 COPYRIGHT -Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved. +Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy |