=head1 NAME
- BIO_f_md - message digest BIO
+BIO_f_md, BIO_set_md, BIO_get_md, BIO_get_md_ctx - message digest BIO filter
=head1 SYNOPSIS
BIO_get_md_ctx() returns the digest BIOs context into B<mdcp>.
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=head1 NOTES
The context returned by BIO_get_md_ctx() can be used in calls