# opendmarc_policy_store_dkim()

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SYNOPSIS |
    #include <dmarc.h>
    DMARC_POLICY_T * opendmarc_policy_store_dkim(
    	DMARC_POLICY_T * pctx,
    	u_char *d_equal_domain, int dkim_result, u_char *human_result
    );
Once you have found the outcome of each DKIM check, no matter how many, you may call this function to prepare it for a DMARC policy decision.
DESCRIPTION |
Called When | `opendmarc_policy_store_dkim()` may be called after each DKIM signature in the message is verified. That is, this function may be called one, or many times.
ARGUMENTS |
Argument | Description
--- | ---
pctx | A pointer to type `DMARC_POLICY_T`.
d_equal_domain | A pointer to an unsigned string containing the domain found in the `d=` record of the `DKIM` signature.
dkim_result | Integer specifying the result of the `DKIM` check. Choose from one of: `DMARC_POLICY_DKIM_OUTCOME_NONE` if there was no `DKIM` signature; `DMARC_POLICY_DKIM_OUTCOME_PASS` if the `DKIM` check passed; `DMARC_POLICY_DKIM_OUTCOME_FAIL` if the `DKIM` check failed; or `DMARC_POLICY_DKIM_OUTCOME_TMPFAIL` if the check returned a temporary failure.
human_result | If not NULL, is a string containing an arbitrary, human readable and friendly `DKIM` result.
RETURN VALUES | `DMARC_PARSE_OKAY` -- On success `DMARC_PARSE_ERROR_NULL_CTX` -- If pctx was NULL `DMARC_PARSE_ERROR_EMPTY` -- If domain was NULL or zero length `DMARC_PARSE_ERROR_NO_DOMAIN` -- If domain did not contain a domain, e.g. "<>" `DMARC_PARSE_ERROR_NO_ALLOC` -- If memory allocation failed
NOTES | You may feed this function results from multiple DKIM signatures. This function will select the most successful check from among those that align with the header From: domain. You should not call this function if there were no DKIM signatures, because the library presumes there will be none unless told otherwise.

Copyright (c) 2012, The Trusted Domain Project. All rights reserved.
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