---
name: "ldns_key_origttl"
section: "3"
platform: "linux"
package: "ldns"
version: "1.9.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ldns_key_origttl"
---

# ldns\_key\_origttl(3)

read ldns\_keys

## NAME

ldns\_key\_list\_key\_count, ldns\_key\_list\_key, ldns\_key\_rsa\_key, ldns\_key\_dsa\_key, ldns\_key\_algorithm, ldns\_key\_hmac\_key, ldns\_key\_origttl, ldns\_key\_inception, ldns\_key\_expiration, ldns\_key\_keytag, ldns\_key\_pubkey\_owner, ldns\_key\_flags - read ldns\_keys

## SYNOPSIS

\#include \<stdint.h\>\
 \#include \<stdbool.h\>\

\#include \<ldns/ldns.h\>

size\_t ldns\_key\_list\_key\_count(const ldns\_key\_list \*key\_list);

ldns\_key\* ldns\_key\_list\_key(const ldns\_key\_list \*key, size\_t nr);

RSA\* ldns\_key\_rsa\_key(const ldns\_key \*k);

DSA\* ldns\_key\_dsa\_key(const ldns\_key \*k);

ldns\_signing\_algorithm ldns\_key\_algorithm(const ldns\_key \*k);

unsigned char\* ldns\_key\_hmac\_key(const ldns\_key \*k);

uint32\_t ldns\_key\_origttl(const ldns\_key \*k);

uint32\_t ldns\_key\_inception(const ldns\_key \*k);

uint32\_t ldns\_key\_expiration(const ldns\_key \*k);

uint16\_t ldns\_key\_keytag(const ldns\_key \*k);

ldns\_rdf\* ldns\_key\_pubkey\_owner(const ldns\_key \*k);

uint16\_t ldns\_key\_flags(const ldns\_key \*k);

## DESCRIPTION

*ldns\_key\_list\_key\_count*() returns the number of keys in the key list .br **key\_list**: the key\_list .br Returns the numbers of keys in the list

*ldns\_key\_list\_key*() returns a pointer to the key in the list at the given position .br **key**: the key .br **nr**: the position in the list .br Returns the key

*ldns\_key\_rsa\_key*() returns the (openssl) RSA struct contained in the key .br **k**: the key to look in .br Returns the RSA \* structure in the key

*ldns\_key\_dsa\_key*() returns the (openssl) DSA struct contained in the key

*ldns\_key\_algorithm*() return the signing alg of the key .br **k**: the key .br Returns the algorithm

*ldns\_key\_hmac\_key*() return the hmac key data .br **k**: the key .br Returns the hmac key data

*ldns\_key\_origttl*() return the original ttl of the key .br **k**: the key .br Returns the original ttl

*ldns\_key\_inception*() return the key's inception date .br **k**: the key .br Returns the inception date

*ldns\_key\_expiration*() return the key's expiration date .br **k**: the key .br Returns the expiration date

*ldns\_key\_keytag*() return the keytag .br **k**: the key .br Returns the keytag

*ldns\_key\_pubkey\_owner*() return the public key's owner .br **k**: the key .br Returns the owner

*ldns\_key\_flags*() return the flag of the key .br **k**: the key .br Returns the flag

## AUTHOR

The ldns team at NLnet Labs.

## REPORTING BUGS

Please report bugs to dns-team@nlnetlabs.nl or on GitHub at https://github.com/NLnetLabs/ldns/issues

## COPYRIGHT

Copyright (c) 2004 - 2006 NLnet Labs.

Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

## SEE ALSO

*ldns\_key*. And **perldoc Net::DNS**, **RFC1034**, **RFC1035**, **RFC4033**, **RFC4034**  and **RFC4035**.

## REMARKS

This manpage was automatically generated from the ldns source code.