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-rw-r--r--doc/internal/man3/x509v3_cache_extensions.pod3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/internal/man3/x509v3_cache_extensions.pod b/doc/internal/man3/x509v3_cache_extensions.pod
index 418a19738c..cd00942333 100644
--- a/doc/internal/man3/x509v3_cache_extensions.pod
+++ b/doc/internal/man3/x509v3_cache_extensions.pod
@@ -17,7 +17,8 @@ This function processes any X509v3 extensions present in an X509 object I<x>
and caches the result of that processing as well as further derived info,
for instance whether the certificate is self-issued or has version X.509v1.
It computes the SHA1 digest of the certificate using the default library context
-and property query string and stores the result in x->sha1_hash.
+and property query string and stores the result in x->sha1_hash,
+or on failure sets B<EXFLAG_NO_FINGERPRINT> in x->flags.
It sets B<X509_SIG_INFO_VALID> in x->flags if x->siginf was filled successfully,
which may not be possible if a referenced algorithm is unknown or not available.
Many OpenSSL functions that use an X509 object call this function implicitly.