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-rw-r--r--doc/man7/provider-signature.pod6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/man7/provider-signature.pod b/doc/man7/provider-signature.pod
index 44bfa706c4..fe8a68b77c 100644
--- a/doc/man7/provider-signature.pod
+++ b/doc/man7/provider-signature.pod
@@ -332,9 +332,12 @@ the OSSL_FUNC_signature_get_ctx_params() and OSSL_FUNC_signature_set_ctx_params(
OSSL_FUNC_signature_get_ctx_params() gets signature parameters associated with the
given provider side signature context I<ctx> and stored them in I<params>.
+Passing NULL for I<params> should return true.
+
OSSL_FUNC_signature_set_ctx_params() sets the signature parameters associated with the
given provider side signature context I<ctx> to I<params>.
Any parameter settings are additional to any that were previously set.
+Passing NULL for I<params> should return true.
Common parameters currently recognised by built-in signature algorithms are as
follows.
@@ -391,9 +394,12 @@ functions.
OSSL_FUNC_signature_get_md_ctx_params() gets digest parameters associated with the
given provider side digest signature context I<ctx> and stores them in I<params>.
+Passing NULL for I<params> should return true.
+
OSSL_FUNC_signature_set_ms_ctx_params() sets the digest parameters associated with the
given provider side digest signature context I<ctx> to I<params>.
Any parameter settings are additional to any that were previously set.
+Passing NULL for I<params> should return true.
Parameters currently recognised by built-in signature algorithms are the same
as those for built-in digest algorithms. See