Callback type that looks up a certificate or CRL by subject name, with provider selection.

Synopsis

Declared in <openssl/x509_vfy.h>

typedef int(* X509_LOOKUP_get_by_subject_ex_fn)(X509_LOOKUP*, X509_LOOKUP_TYPE, X509_NAME const*, X509_OBJECT*, OSSL_LIB_CTX*, char const*);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

ctx

Lookup instance to query.

type

X509_LU_X509 or X509_LU_CRL selecting the object kind.

name

Subject name to match.

ret

Receives the found object on success.

libctx

Library context for algorithm fetches, or NULL for the default.

propq

Property query for provider selection, or NULL.

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