[#SCT_new_from_base64]
= SCT_new_from_base64
:mrdocs:

Create an SCT from base64‐encoded log id, extensions, and signature fields.

== Synopsis

Declared in `<openssl/ct.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:SCT.adoc[SCT]*
SCT_new_from_base64(
    unsigned char version,
    char const* logid_base64,
    ct_log_entry_type_t entry_type,
    uint64_t timestamp,
    char const* extensions_base64,
    char const* signature_base64);
----

== Return Value

New SCT, or NULL on error; free with SCT_free.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *version*
| SCT version byte (typically SCT_VERSION_V1).
| *logid_base64*
| Base64‐encoded CT log ID.
| *entry_type*
| Log entry type (X.509 certificate or precertificate).
| *timestamp*
| SCT timestamp in milliseconds since the Unix epoch.
| *extensions_base64*
| Base64‐encoded SCT extensions, or empty/NULL for none.
| *signature_base64*
| Base64‐encoded SCT signature.
|===


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