Replace the (deprecated) auto_ptr with unique_ptr.

This was mostly a s/auto_ptr/unique_ptr/, except in the CVC code and one
function in ECDSA, which relied on auto_ptr's move semantics (ugh) and had
to be modified in various ways.

7 files changed, 50 insertions, 50 deletions

diff --git a/checks/cvc_tests.cpp b/checks/cvc_tests.cpp
index 792e9c58d..cde8c8b2c 100644
--- a/checks/cvc_tests.cpp
+++ b/checks/cvc_tests.cpp
@@ -163,8 +163,8 @@ void test_enc_gen_selfsigned(RandomNumberGenerator& rng)
       }
    CHECK(ill_date_exc2);
    //cout << "readable = '" << cert_in.get_ced().readable_string() << "'\n";
-   std::auto_ptr<Public_Key> p_pk = cert_in.subject_public_key();
-   //auto_ptr<ECDSA_PublicKey> ecdsa_pk = dynamic_cast<auto_ptr<ECDSA_PublicKey> >(p_pk);
+   std::unique_ptr<Public_Key> p_pk = cert_in.subject_public_key();
+   //unique_ptr<ECDSA_PublicKey> ecdsa_pk = dynamic_cast<auto_ptr<ECDSA_PublicKey> >(p_pk);
    ECDSA_PublicKey* p_ecdsa_pk = dynamic_cast<ECDSA_PublicKey*>(p_pk.get());
    // let´s see if encoding is truely implicitca, because this is what the key should have
    // been set to when decoding (see above)(because it has no domain params):
@@ -182,7 +182,7 @@ void test_enc_gen_selfsigned(RandomNumberGenerator& rng)
    CHECK(exc);
    // set them and try again
    //cert_in.set_domain_parameters(dom_pars);
-   std::auto_ptr<Public_Key> p_pk2 = cert_in.subject_public_key();
+   std::unique_ptr<Public_Key> p_pk2 = cert_in.subject_public_key();
    ECDSA_PublicKey* p_ecdsa_pk2 = dynamic_cast<ECDSA_PublicKey*>(p_pk2.get());
    p_ecdsa_pk2->set_domain_parameters(dom_pars);
    CHECK(p_ecdsa_pk2->domain_parameters().get_order() == dom_pars.get_order());
@@ -213,7 +213,7 @@ void test_enc_gen_req(RandomNumberGenerator& rng)
    // read and check signature...
    EAC1_1_Req req_in(TEST_DATA_DIR "/my_cv_req.ber");
    //req_in.set_domain_parameters(dom_pars);
-   std::auto_ptr<Public_Key> p_pk = req_in.subject_public_key();
+   std::unique_ptr<Public_Key> p_pk = req_in.subject_public_key();
    ECDSA_PublicKey* p_ecdsa_pk = dynamic_cast<ECDSA_PublicKey*>(p_pk.get());
    p_ecdsa_pk->set_domain_parameters(dom_pars);
    CHECK(p_ecdsa_pk->domain_parameters().get_order() == dom_pars.get_order());
@@ -228,7 +228,7 @@ void test_cvc_req_ext(RandomNumberGenerator&)
    EAC1_1_Req req_in(TEST_DATA_DIR "/DE1_flen_chars_cvcRequest_ECDSA.der");
    EC_Domain_Params dom_pars(get_EC_Dom_Pars_by_oid("1.3.36.3.3.2.8.1.1.5")); // "german curve"
    //req_in.set_domain_parameters(dom_pars);
-   std::auto_ptr<Public_Key> p_pk = req_in.subject_public_key();
+   std::unique_ptr<Public_Key> p_pk = req_in.subject_public_key();
    ECDSA_PublicKey* p_ecdsa_pk = dynamic_cast<ECDSA_PublicKey*>(p_pk.get());
    p_ecdsa_pk->set_domain_parameters(dom_pars);
    CHECK(p_ecdsa_pk->domain_parameters().get_order() == dom_pars.get_order());
@@ -390,11 +390,11 @@ void test_ver_cvca(RandomNumberGenerator&)
 
    EAC1_1_CVC req_in(TEST_DATA_DIR "/cvca01.cv.crt");
 
-   //auto_ptr<ECDSA_PublicKey> ecdsa_pk = dynamic_cast<auto_ptr<ECDSA_PublicKey> >(p_pk);
+   //unique_ptr<ECDSA_PublicKey> ecdsa_pk = dynamic_cast<auto_ptr<ECDSA_PublicKey> >(p_pk);
    //ECDSA_PublicKey* p_ecdsa_pk = dynamic_cast<ECDSA_PublicKey*>(p_pk.get());
    bool exc = false;
 
-   std::auto_ptr<Public_Key> p_pk2 = req_in.subject_public_key();
+   std::unique_ptr<Public_Key> p_pk2 = req_in.subject_public_key();
    ECDSA_PublicKey* p_ecdsa_pk2 = dynamic_cast<ECDSA_PublicKey*>(p_pk2.get());
    bool ver_ec = req_in.check_signature(*p_pk2);
    CHECK_MESSAGE(ver_ec, "could not positively verify correct selfsigned cvca certificate");
@@ -512,7 +512,7 @@ void test_cvc_chain(RandomNumberGenerator& rng)
    CHECK(link12.check_signature(cvca_privk));
    EAC1_1_CVC link12_reloaded(TEST_DATA_DIR "/cvc_chain_link12.cer");
    EAC1_1_CVC cvca1_reloaded(TEST_DATA_DIR "/cvc_chain_cvca.cer");
-   std::auto_ptr<Public_Key> cvca1_rel_pk = cvca1_reloaded.subject_public_key();
+   std::unique_ptr<Public_Key> cvca1_rel_pk = cvca1_reloaded.subject_public_key();
    CHECK(link12_reloaded.check_signature(*cvca1_rel_pk));
 
    // create first round dvca-req
@@ -542,7 +542,7 @@ void test_cvc_chain(RandomNumberGenerator& rng)
 
    // verify the ado and sign the request too
 
-   std::auto_ptr<Public_Key> ap_pk = dvca_cert1.subject_public_key();
+   std::unique_ptr<Public_Key> ap_pk = dvca_cert1.subject_public_key();
    ECDSA_PublicKey* cert_pk = dynamic_cast<ECDSA_PublicKey*>(ap_pk.get());
 
    cert_pk->set_domain_parameters(dom_pars);
diff --git a/checks/ec_tests.cpp b/checks/ec_tests.cpp
index 2d25e2153..b079ebd47 100644
--- a/checks/ec_tests.cpp
+++ b/checks/ec_tests.cpp
@@ -794,11 +794,11 @@ void test_enc_dec_uncompressed_521_prime_too_large()
    BigInt bi_b_secp = BigInt::decode ( sv_b_secp.begin(), sv_b_secp.size() );
 
    CurveGFp secp521r1 ( GFpElement ( bi_p_secp,bi_a_secp ), GFpElement ( bi_p_secp, bi_b_secp ), bi_p_secp );
-   std::auto_ptr<PointGFp> p_G;
+   std::unique_ptr<PointGFp> p_G;
    bool exc = false;
    try
       {
-      p_G = std::auto_ptr<PointGFp>(new PointGFp(OS2ECP ( sv_G_secp_uncomp, secp521r1)));
+      p_G = std::unique_ptr<PointGFp>(new PointGFp(OS2ECP ( sv_G_secp_uncomp, secp521r1)));
       p_G->check_invariants();
       }
    catch (std::exception e)
diff --git a/checks/ecdsa.cpp b/checks/ecdsa.cpp
index 532a1c546..37880b755 100644
--- a/checks/ecdsa.cpp
+++ b/checks/ecdsa.cpp
@@ -70,7 +70,7 @@ void test_hash_larger_than_n(RandomNumberGenerator& rng)
          {
          format = "EMSA1_BSI(SHA-1)";
          }
-      std::auto_ptr<PK_Signer> pk_signer(get_pk_signer(priv_key, format));
+      std::unique_ptr<PK_Signer> pk_signer(get_pk_signer(priv_key, format));
       SecureVector<byte> signature;
       bool sig_exc = false;
       try
@@ -93,7 +93,7 @@ void test_hash_larger_than_n(RandomNumberGenerator& rng)
 
       if(i==0) // makes no sense to check for sha224
          {
-         std::auto_ptr<PK_Verifier> pk_verifier(get_pk_verifier(priv_key, format));
+         std::unique_ptr<PK_Verifier> pk_verifier(get_pk_verifier(priv_key, format));
          bool ver = pk_verifier->verify_message(message, signature);
          CHECK(ver);
          }
@@ -103,10 +103,10 @@ void test_hash_larger_than_n(RandomNumberGenerator& rng)
    // now check that verification alone fails
 
    // sign it with the normal EMSA1
-   std::auto_ptr<PK_Signer> pk_signer(get_pk_signer(priv_key, "EMSA1(SHA-224)"));
+   std::unique_ptr<PK_Signer> pk_signer(get_pk_signer(priv_key, "EMSA1(SHA-224)"));
    SecureVector<byte> signature = pk_signer->sign_message(message, rng);
 
-   std::auto_ptr<PK_Verifier> pk_verifier(get_pk_verifier(priv_key, "EMSA1_BSI(SHA-224)"));
+   std::unique_ptr<PK_Verifier> pk_verifier(get_pk_verifier(priv_key, "EMSA1_BSI(SHA-224)"));
 
    // verify against EMSA1_BSI
    // we make sure it doesn't fail because of the invalid signature,
@@ -164,7 +164,7 @@ void test_decode_ecdsa_X509()
    CHECK_MESSAGE(to_hex(cert.authority_key_id()) == "0096452DE588F966C4CCDF161DD1F3F5341B71E7", "error reading authority key id from x509 ecdsa certificate");
    CHECK_MESSAGE(to_hex(cert.subject_key_id()) == "0096452DE588F966C4CCDF161DD1F3F5341B71E7", "error reading Subject key id from x509 ecdsa certificate");
 
-   std::auto_ptr<X509_PublicKey> pubkey(cert.subject_public_key());
+   std::unique_ptr<X509_PublicKey> pubkey(cert.subject_public_key());
    bool ver_ec = cert.check_signature(*pubkey);
    CHECK_MESSAGE(ver_ec, "could not positively verify correct selfsigned x509-ecdsa certificate");
    }
@@ -176,7 +176,7 @@ void test_decode_ver_link_SHA256()
    X509_Certificate root_cert(TEST_DATA_DIR "/root2_SHA256.cer");
    X509_Certificate link_cert(TEST_DATA_DIR "/link_SHA256.cer");
 
-   std::auto_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key());
+   std::unique_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key());
    bool ver_ec = link_cert.check_signature(*pubkey);
    CHECK_MESSAGE(ver_ec, "could not positively verify correct SHA256 link x509-ecdsa certificate");
 
@@ -188,7 +188,7 @@ void test_decode_ver_link_SHA1()
    X509_Certificate root_cert(TEST_DATA_DIR "/root_SHA1.163.crt");
    X509_Certificate link_cert(TEST_DATA_DIR "/link_SHA1.166.crt");
 
-   std::auto_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key());
+   std::unique_ptr<X509_PublicKey> pubkey(root_cert.subject_public_key());
    bool ver_ec = link_cert.check_signature(*pubkey);
    CHECK_MESSAGE(ver_ec, "could not positively verify correct SHA1 link x509-ecdsa certificate");
    }
@@ -231,8 +231,8 @@ bool test_ec_sign(RandomNumberGenerator& rng)
       ECDSA_PrivateKey priv_key(rng, dom_pars);
       std::string pem_encoded_key = PKCS8::PEM_encode(priv_key);
 
-      std::auto_ptr<PK_Signer> signer(get_pk_signer(priv_key, "EMSA1(SHA-224)"));
-      std::auto_ptr<PK_Verifier> verifier(get_pk_verifier(priv_key, "EMSA1(SHA-224)"));
+      std::unique_ptr<PK_Signer> signer(get_pk_signer(priv_key, "EMSA1(SHA-224)"));
+      std::unique_ptr<PK_Verifier> verifier(get_pk_verifier(priv_key, "EMSA1(SHA-224)"));
 
       for(u32bit i = 0; i != 256; ++i)
          signer->update((byte)i);
@@ -313,11 +313,11 @@ void test_create_and_verify(RandomNumberGenerator& rng)
    std::ofstream priv_key(TEST_DATA_DIR "/dompar_private.pkcs8.pem");
    priv_key << PKCS8::PEM_encode(key);
 
-   std::auto_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
+   std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
    ECDSA_PrivateKey* loaded_ec_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get());
    CHECK_MESSAGE(loaded_ec_key, "the loaded key could not be converted into an ECDSA_PrivateKey");
 
-   std::auto_ptr<PKCS8_PrivateKey> loaded_key_1(PKCS8::load_key(TEST_DATA_DIR "/rsa_private.pkcs8.pem", rng));
+   std::unique_ptr<PKCS8_PrivateKey> loaded_key_1(PKCS8::load_key(TEST_DATA_DIR "/rsa_private.pkcs8.pem", rng));
    ECDSA_PrivateKey* loaded_rsa_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key_1.get());
    CHECK_MESSAGE(!loaded_rsa_key, "the loaded key is ECDSA_PrivateKey -> shouldn't be, is a RSA-Key");
 
@@ -350,7 +350,7 @@ void test_create_and_verify(RandomNumberGenerator& rng)
    std::string key_odd_oid_str = PKCS8::PEM_encode(key_odd_oid);
 
    DataSource_Memory key_data_src(key_odd_oid_str);
-   std::auto_ptr<PKCS8_PrivateKey> loaded_key2(PKCS8::load_key(key_data_src, rng));
+   std::unique_ptr<PKCS8_PrivateKey> loaded_key2(PKCS8::load_key(key_data_src, rng));
 
    if(!dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get()))
       {
@@ -420,7 +420,7 @@ void test_read_pkcs8(RandomNumberGenerator& rng)
    std::cout << "." << std::flush;
    try
       {
-      std::auto_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
+      std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
       ECDSA_PrivateKey* loaded_ec_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get());
       CHECK_MESSAGE(loaded_ec_key, "the loaded key could not be converted into an ECDSA_PrivateKey");
 
@@ -431,7 +431,7 @@ void test_read_pkcs8(RandomNumberGenerator& rng)
       bool ver_success = loaded_ec_key->verify(sv_message.begin(), sv_message.size(), signature.begin(), signature.size());
       CHECK_MESSAGE(ver_success, "generated signature could not be verified positively");
 
-      std::auto_ptr<PKCS8_PrivateKey> loaded_key_nodp(PKCS8::load_key(TEST_DATA_DIR "/nodompar_private.pkcs8.pem", rng));
+      std::unique_ptr<PKCS8_PrivateKey> loaded_key_nodp(PKCS8::load_key(TEST_DATA_DIR "/nodompar_private.pkcs8.pem", rng));
       // anew in each test with unregistered domain-parameters
       ECDSA_PrivateKey* loaded_ec_key_nodp = dynamic_cast<ECDSA_PrivateKey*>(loaded_key_nodp.get());
       CHECK_MESSAGE(loaded_ec_key_nodp, "the loaded key could not be converted into an ECDSA_PrivateKey");
@@ -442,7 +442,7 @@ void test_read_pkcs8(RandomNumberGenerator& rng)
       CHECK_MESSAGE(ver_success_nodp, "generated signature could not be verified positively (no_dom)");
       try
          {
-         std::auto_ptr<PKCS8_PrivateKey> loaded_key_withdp(PKCS8::load_key(TEST_DATA_DIR "/withdompar_private.pkcs8.pem", rng));
+         std::unique_ptr<PKCS8_PrivateKey> loaded_key_withdp(PKCS8::load_key(TEST_DATA_DIR "/withdompar_private.pkcs8.pem", rng));
 
          std::cout << "Unexpected success: loaded key with unknown OID\n";
          }
@@ -461,7 +461,7 @@ void test_cp_and_as_ctors(RandomNumberGenerator& rng)
    {
    std::cout << "." << std::flush;
 
-   std::auto_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
+   std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
    ECDSA_PrivateKey* loaded_ec_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get());
    CHECK_MESSAGE(loaded_ec_key, "the loaded key could not be converted into an ECDSA_PrivateKey");
    std::string str_message = ("12345678901234567890abcdef12");
@@ -497,7 +497,7 @@ void test_non_init_ecdsa_keys(RandomNumberGenerator& rng)
    {
    std::cout << "." << std::flush;
 
-   std::auto_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
+   std::unique_ptr<PKCS8_PrivateKey> loaded_key(PKCS8::load_key(TEST_DATA_DIR "/wo_dompar_private.pkcs8.pem", rng));
    //ECDSA_PrivateKey* loaded_ec_key = dynamic_cast<ECDSA_PrivateKey*>(loaded_key.get());
    //CHECK_MESSAGE(loaded_ec_key, "the loaded key could not be converted into an ECDSA_PrivateKey");
    std::string str_message = ("12345678901234567890abcdef12");
diff --git a/checks/eckaeg.cpp b/checks/eckaeg.cpp
index f25fbb292..501ad8c3d 100644
--- a/checks/eckaeg.cpp
+++ b/checks/eckaeg.cpp
@@ -103,7 +103,7 @@ void test_eckaeg_some_dp(RandomNumberGenerator& rng)
       Botan::EC_Domain_Params dom_pars(Botan::get_EC_Dom_Pars_by_oid(oids[i]));
       Botan::ECKAEG_PrivateKey private_a(rng, dom_pars);
       Botan::ECKAEG_PublicKey public_a = private_a;
-      /*auto_ptr<Botan::X509_Encoder> x509_key_enc = public_a.x509_encoder();
+      /*unique_ptr<Botan::X509_Encoder> x509_key_enc = public_a.x509_encoder();
       Botan::MemoryVector<Botan::byte> enc_key_a = Botan::DER_Encoder()
       .start_cons(Botan::SEQUENCE)
       .encode(x509_key_enc->alg_id())
diff --git a/checks/pk.cpp b/checks/pk.cpp
index c02005245..e8746ad04 100644
--- a/checks/pk.cpp
+++ b/checks/pk.cpp
@@ -178,7 +178,7 @@ u32bit validate_rsa_enc_pkcs8(const std::string& algo,
    DataSource_Memory keysource(reinterpret_cast<const byte*>(str[0].c_str()),
                                str[0].length());
 
-   std::auto_ptr<Private_Key> privkey(PKCS8::load_key(keysource, rng, pass));
+   std::unique_ptr<Private_Key> privkey(PKCS8::load_key(keysource, rng, pass));
 
    RSA_PrivateKey* rsapriv = dynamic_cast<RSA_PrivateKey*>(privkey.get());
    if(!rsapriv)
@@ -297,7 +297,7 @@ u32bit validate_rsa_ver(const std::string& algo,
 
    std::string emsa = algo.substr(6, std::string::npos);
 
-   std::auto_ptr<PK_Verifier> v(get_pk_verifier(key, emsa));
+   std::unique_ptr<PK_Verifier> v(get_pk_verifier(key, emsa));
 
    SecureVector<byte> msg = decode_hex(str[2]);
    SecureVector<byte> sig = decode_hex(str[3]);
@@ -320,7 +320,7 @@ u32bit validate_rsa_ver_x509(const std::string& algo,
    DataSource_Memory keysource(reinterpret_cast<const byte*>(str[0].c_str()),
                                str[0].length());
 
-   std::auto_ptr<Public_Key> key(X509::load_key(keysource));
+   std::unique_ptr<Public_Key> key(X509::load_key(keysource));
 
    RSA_PublicKey* rsakey = dynamic_cast<RSA_PublicKey*>(key.get());
 
@@ -329,7 +329,7 @@ u32bit validate_rsa_ver_x509(const std::string& algo,
 
    std::string emsa = algo.substr(11, std::string::npos);
 
-   std::auto_ptr<PK_Verifier> v(get_pk_verifier(*rsakey, emsa));
+   std::unique_ptr<PK_Verifier> v(get_pk_verifier(*rsakey, emsa));
 
    SecureVector<byte> msg = decode_hex(str[1]);
    SecureVector<byte> sig = decode_hex(str[2]);
@@ -355,7 +355,7 @@ u32bit validate_rw_ver(const std::string& algo,
 
    std::string emsa = algo.substr(5, std::string::npos);
 
-   std::auto_ptr<PK_Verifier> v(get_pk_verifier(key, emsa));
+   std::unique_ptr<PK_Verifier> v(get_pk_verifier(key, emsa));
 
    SecureVector<byte> msg = decode_hex(str[2]);
    SecureVector<byte> sig = decode_hex(str[3]);
@@ -411,7 +411,7 @@ u32bit validate_dsa_sig(const std::string& algo,
    DataSource_Memory keysource(reinterpret_cast<const byte*>(str[0].c_str()),
                                str[0].length());
 
-   std::auto_ptr<Private_Key> privkey(PKCS8::load_key(keysource, rng, pass));
+   std::unique_ptr<Private_Key> privkey(PKCS8::load_key(keysource, rng, pass));
 
    DSA_PrivateKey* dsapriv = dynamic_cast<DSA_PrivateKey*>(privkey.get());
    if(!dsapriv)
@@ -443,7 +443,7 @@ u32bit validate_dsa_ver(const std::string& algo,
 
 
 #if defined(BOTAN_HAS_DSA)
-   std::auto_ptr<Public_Key> key(X509::load_key(keysource));
+   std::unique_ptr<Public_Key> key(X509::load_key(keysource));
 
    DSA_PublicKey* dsakey = dynamic_cast<DSA_PublicKey*>(key.get());
 
@@ -452,7 +452,7 @@ u32bit validate_dsa_ver(const std::string& algo,
 
    std::string emsa = algo.substr(7, std::string::npos);
 
-   std::auto_ptr<PK_Verifier> v(get_pk_verifier(*dsakey, emsa));
+   std::unique_ptr<PK_Verifier> v(get_pk_verifier(*dsakey, emsa));
 
    SecureVector<byte> msg = decode_hex(str[1]);
    SecureVector<byte> sig = decode_hex(str[2]);
diff --git a/checks/pk_bench.cpp b/checks/pk_bench.cpp
index a944934fb..8e5054a9a 100644
--- a/checks/pk_bench.cpp
+++ b/checks/pk_bench.cpp
@@ -191,12 +191,12 @@ void benchmark_rsa(RandomNumberGenerator& rng,
          while(verify_timer.seconds() < seconds ||
                sig_timer.seconds() < seconds)
             {
-            std::auto_ptr<PK_Encryptor> enc(get_pk_encryptor(key, enc_padding));
-            std::auto_ptr<PK_Decryptor> dec(get_pk_decryptor(key, enc_padding));
+            std::unique_ptr<PK_Encryptor> enc(get_pk_encryptor(key, enc_padding));
+            std::unique_ptr<PK_Decryptor> dec(get_pk_decryptor(key, enc_padding));
             benchmark_enc_dec(*enc, *dec, enc_timer, dec_timer, rng, 10000, seconds);
 
-            std::auto_ptr<PK_Signer> sig(get_pk_signer(key, sig_padding));
-            std::auto_ptr<PK_Verifier> ver(get_pk_verifier(key, sig_padding));
+            std::unique_ptr<PK_Signer> sig(get_pk_signer(key, sig_padding));
+            std::unique_ptr<PK_Verifier> ver(get_pk_verifier(key, sig_padding));
             benchmark_sig_ver(*ver, *sig, verify_timer,
                               sig_timer, rng, 10000, seconds);
             }
@@ -246,8 +246,8 @@ void benchmark_rw(RandomNumberGenerator& rng,
          RW_PrivateKey key(rng, keylen);
          keygen_timer.stop();
 
-         std::auto_ptr<PK_Signer> sig(get_pk_signer(key, padding));
-         std::auto_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
+         std::unique_ptr<PK_Signer> sig(get_pk_signer(key, padding));
+         std::unique_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
 
          benchmark_sig_ver(*ver, *sig, verify_timer, sig_timer, rng, 10000, seconds);
          }
@@ -300,8 +300,8 @@ void benchmark_ecdsa(RandomNumberGenerator& rng,
          ECDSA_PrivateKey key(rng, params);
          keygen_timer.stop();
 
-         std::auto_ptr<PK_Signer> sig(get_pk_signer(key, padding));
-         std::auto_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
+         std::unique_ptr<PK_Signer> sig(get_pk_signer(key, padding));
+         std::unique_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
 
          benchmark_sig_ver(*ver, *sig, verify_timer,
                            sig_timer, rng, 1000, seconds);
@@ -416,8 +416,8 @@ void benchmark_dsa_nr(RandomNumberGenerator& rng,
          PRIV_KEY_TYPE key(rng, group);
          keygen_timer.stop();
 
-         std::auto_ptr<PK_Signer> sig(get_pk_signer(key, padding));
-         std::auto_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
+         std::unique_ptr<PK_Signer> sig(get_pk_signer(key, padding));
+         std::unique_ptr<PK_Verifier> ver(get_pk_verifier(key, padding));
 
          benchmark_sig_ver(*ver, *sig, verify_timer,
                            sig_timer, rng, 1000, seconds);
@@ -586,8 +586,8 @@ void benchmark_elg(RandomNumberGenerator& rng,
          ElGamal_PrivateKey key(rng, group);
          keygen_timer.stop();
 
-         std::auto_ptr<PK_Decryptor> dec(get_pk_decryptor(key, padding));
-         std::auto_ptr<PK_Encryptor> enc(get_pk_encryptor(key, padding));
+         std::unique_ptr<PK_Decryptor> dec(get_pk_decryptor(key, padding));
+         std::unique_ptr<PK_Encryptor> enc(get_pk_encryptor(key, padding));
 
          benchmark_enc_dec(*enc, *dec, enc_timer, dec_timer, rng, 1000, seconds);
          }
diff --git a/checks/x509.cpp b/checks/x509.cpp
index 6f191285c..3aba4ce1a 100644
--- a/checks/x509.cpp
+++ b/checks/x509.cpp
@@ -34,7 +34,7 @@ namespace {
 
 u64bit key_id(const Public_Key* key)
    {
-   std::auto_ptr<X509_Encoder> encoder(key->x509_encoder());
+   std::unique_ptr<X509_Encoder> encoder(key->x509_encoder());
    if(!encoder.get())
       throw Internal_Error("Public_Key:key_id: No encoder found");