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-rw-r--r--doc/man7/EVP_SIGNATURE-RSA.pod5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/man7/EVP_SIGNATURE-RSA.pod b/doc/man7/EVP_SIGNATURE-RSA.pod
index 440e1c634f..de6869786c 100644
--- a/doc/man7/EVP_SIGNATURE-RSA.pod
+++ b/doc/man7/EVP_SIGNATURE-RSA.pod
@@ -68,6 +68,11 @@ Use the maximum salt length.
Auto detect the salt length.
+=item "auto-digestmax" (B<OSSL_PKEY_RSA_PSS_SALT_LEN_AUTO_DIGEST_MAX>)
+
+Auto detect the salt length when verifying. Maximize the salt length up to the
+digest size when signing to comply with FIPS 186-4 section 5.5.
+
=back
=back