=head1 NAME
-X509_SIG_get0 - Get DigestInfo functions
+X509_SIG_get0, X509_SIG_get0_mutable - DigestInfo functions
=head1 SYNOPSIS
#include <openssl/x509.h>
- void X509_SIG_get0(X509_ALGOR **palg, ASN1_OCTET_STRING **pdigest,
- X509_SIG *sig);
+ void X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg,
+ const ASN1_OCTET_STRING **pdigest);
+ void X509_SIG_get0_mutable(X509_SIG *sig, X509_ALGOR **palg,
+ ASN1_OCTET_STRING **pdigest,
=head1 DESCRIPTION
X509_SIG_get0() returns pointers to the algorithm identifier and digest
-value in B<sig>. These values can then be examined or initialised.
+value in B<sig>. X509_SIG_get0_mutable() is identical to X509_SIG_get0()
+except the pointers returned are not constant and can be modified:
+for example to initialise them.
=head1 SEE ALSO