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OSSL_STORE-FILE(7)                  OpenSSL                 OSSL_STORE-FILE(7)

       ossl_store-file - The store 'file' scheme loader

       libcrypto, -lcrypto

       #include <openssl/store.h>

       Support for the 'file' scheme is built into "libcrypto".  Since files
       come in all kinds of formats and content types, the 'file' scheme has
       its own layer of functionality called "file handlers", which are used
       to try to decode diverse types of file contents.

       In case a file is formatted as PEM, each called file handler receives
       the PEM name (everything following any '"-----BEGIN "') as well as
       possible PEM headers, together with the decoded PEM body.  Since PEM
       formatted files can contain more than one object, the file handlers are
       called upon for each such object.

       If the file isn't determined to be formatted as PEM, the content is
       loaded in raw form in its entirety and passed to the available file
       handlers as is, with no PEM name or headers.

       Each file handler is expected to handle PEM and non-PEM content as
       appropriate.  Some may refuse non-PEM content for the sake of
       determinism (for example, there are keys out in the wild that are
       represented as an ASN.1 OCTET STRING.  In raw form, it's not easily
       possible to distinguish those from any other data coming as an ASN.1
       OCTET STRING, so such keys would naturally be accepted as PEM files

       When needed, the 'file' scheme loader will require a pass phrase by
       using the "UI_METHOD" that was passed via OSSL_STORE_open().  This pass
       phrase is expected to be UTF-8 encoded, anything else will give an
       undefined result.  The files made accessible through this loader are
       expected to be standard compliant with regards to pass phrase encoding.
       Files that aren't should be re-generated with a correctly encoded pass
       phrase.  See passphrase-encoding(7) for more information.

       ossl_store(7), passphrase-encoding(7)

       Copyright 2018 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
       in the file LICENSE in the source distribution or at

1.1.1                             2018-09-17                OSSL_STORE-FILE(7)