[#PKCS8_decrypt]
= PKCS8_decrypt
:mrdocs:

Decrypt a PKCS#8 encrypted private key.

== Synopsis

Declared in `<openssl/pkcs12.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:PKCS8_PRIV_KEY_INFO.adoc[PKCS8_PRIV_KEY_INFO]*
PKCS8_decrypt(
    xref:X509_SIG.adoc[X509_SIG] const* p8,
    char const* pass,
    int passlen);
----

== Return Value

Decrypted PKCS#8 private key info, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p8*
| Encrypted PKCS#8 structure (X509_SIG).
| *pass*
| Passphrase for decryption.
| *passlen*
| Length of `pass,` or ‐1 to use strlen().
|===


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