209 lines
6.9 KiB
Groff
Executable File
209 lines
6.9 KiB
Groff
Executable File
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.\" ========================================================================
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.\"
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.IX Title "OSSL_SERIALIZER_CTX 3"
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.TH OSSL_SERIALIZER_CTX 3 "2020-03-02" "3.0.0-dev" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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OSSL_SERIALIZER_CTX,
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OSSL_SERIALIZER_CTX_new,
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OSSL_SERIALIZER_CTX_get_serializer,
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OSSL_SERIALIZER_settable_ctx_params,
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OSSL_SERIALIZER_CTX_set_params,
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OSSL_SERIALIZER_CTX_free
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\&\- Serializer context routines
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/serializer.h>
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\&
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\& typedef struct ossl_serializer_ctx_st OSSL_SERIALIZER_CTX;
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\&
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\& OSSL_SERIALIZER_CTX *OSSL_SERIALIZER_CTX_new(OSSL_SERIALIZER *ser);
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\& const OSSL_SERIALIZER *
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\& OSSL_SERIALIZER_CTX_get_serializer(OSSL_SERIALIZER_CTX *ctx);
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\& const OSSL_PARAM *OSSL_SERIALIZER_settable_ctx_params(OSSL_SERIALIZER *ser);
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\& int OSSL_SERIALIZER_CTX_set_params(OSSL_SERIALIZER_CTX *ctx,
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\& const OSSL_PARAM params[]);
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\& void OSSL_SERIALIZER_CTX_free(OSSL_SERIALIZER_CTX *ctx);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fB\s-1OSSL_SERIALIZER_CTX\s0\fR is a context with which \fB\s-1OSSL_SERIALIZER\s0\fR
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operations are performed. The context typically holds values, both
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internal and supplied by the application, which are useful for the
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implementations supplied by providers.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_new()\fR creates a \fB\s-1OSSL_SERIALIZER_CTX\s0\fR associated
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with the serializer \fIser\fR. \s-1NULL\s0 is a valid \fIser\fR, the context will
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be created anyway, it's just not very useful. This is intentional, to
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distinguish between errors in allocating the context or assigning it
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values on one hand, and the lack of serializer support on the other.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_get_serializer()\fR gets the serializer method
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currently associated with the context \fIctx\fR.
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.PP
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\&\fIOSSL_SERIALIZER_settable_ctx_params()\fR returns an \s-1\fIOSSL_PARAM\s0\fR\|(3)
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array of parameter descriptors.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_set_params()\fR attempts to set parameters specified
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with an \s-1\fIOSSL_PARAM\s0\fR\|(3) array \fIparams\fR. Parameters that the
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implementation doesn't recognise should be ignored.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_free()\fR frees the given context \fIctx\fR.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fIOSSL_SERIALIZER_CTX_new()\fR returns a pointer to a
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\&\fB\s-1OSSL_SERIALIZER_CTX\s0\fR, or \s-1NULL\s0 if the context structure couldn't be
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allocated.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_get_serializer()\fR returns a pointer to the
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serializer method associated with \fIctx\fR. \s-1NULL\s0 is a valid return
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value and signifies that there is no associated serializer method.
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.PP
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\&\fIOSSL_SERIALIZER_settable_ctx_params()\fR returns an \s-1\fIOSSL_PARAM\s0\fR\|(3)
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array, or \s-1NULL\s0 if none is available.
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.PP
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\&\fIOSSL_SERIALIZER_CTX_set_params()\fR returns 1 if all recognised
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parameters were valid, or 0 if one of them was invalid or caused some
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other failure in the implementation.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIprovider\fR\|(7), \s-1\fIOSSL_SERIALIZER\s0\fR\|(3)
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.SH "HISTORY"
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.IX Header "HISTORY"
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The functions described here were added in OpenSSL 3.0.
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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