2 files changed, 6 insertions, 6 deletions
diff --git a/src/cert/x509self/x509opt.cpp b/src/cert/x509self/x509opt.cpp
index 0702ebf19..8d235ad5d 100644
--- a/src/cert/x509self/x509opt.cpp
+++ b/src/cert/x509self/x509opt.cpp
@@ -8,7 +8,7 @@
 #include <botan/x509self.h>
 #include <botan/oids.h>
 #include <botan/parsing.h>
-#include <botan/time.h>
+#include <chrono>
 
 namespace Botan {
 
@@ -78,16 +78,16 @@ void X509_Cert_Options::sanity_check() const
 * Initialize the certificate options
 */
 X509_Cert_Options::X509_Cert_Options(const std::string& initial_opts,
-                                     u32bit expiration_time_in_seconds)
+                                     u32bit expiration_time)
    {
    is_CA = false;
    path_limit = 0;
    constraints = NO_CONSTRAINTS;
 
-   const u64bit now = system_time();
+   auto now = std::chrono::system_clock::now();
 
    start = X509_Time(now);
-   end = X509_Time(now + expiration_time_in_seconds);
+   end = X509_Time(now + std::chrono::seconds(expiration_time));
 
    if(initial_opts == "")
       return;
diff --git a/src/cert/x509self/x509self.cpp b/src/cert/x509self/x509self.cpp
index e420ca503..6e570d3b6 100644
--- a/src/cert/x509self/x509self.cpp
+++ b/src/cert/x509self/x509self.cpp
@@ -54,7 +54,7 @@ X509_Certificate create_self_signed_cert(const X509_Cert_Options& opts,
    opts.sanity_check();
 
    MemoryVector<byte> pub_key = X509::BER_encode(key);
-   std::auto_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
+   std::unique_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
    load_info(opts, subject_dn, subject_alt);
 
    Key_Constraints constraints;
@@ -100,7 +100,7 @@ PKCS10_Request create_cert_req(const X509_Cert_Options& opts,
    opts.sanity_check();
 
    MemoryVector<byte> pub_key = X509::BER_encode(key);
-   std::auto_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
+   std::unique_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
    load_info(opts, subject_dn, subject_alt);
 
    const u32bit PKCS10_VERSION = 0;