 the specified version is supported, 0 otherwise.</p>

<p>SCT_set_log_entry_type() returns 1 if the specified log entry type is supported, 0 otherwise.</p>

<p>SCT_set0_log_id() and <b>SCT_set1_log_id</b> return 1 if the specified LogID is a valid SHA-256 hash, 0 otherwise. Additionally, <b>SCT_set1_log_id</b> returns 0 if malloc fails.</p>

<p><b>SCT_set_signature_nid</b> returns 1 if the specified NID is supported, 0 otherwise.</p>

<p><b>SCT_set1_extensions</b> and <b>SCT_set1_signature</b> return 1 if t