5079590438

Committed 25 May 2023 12:28PM UTC coverage: 92.228% (+0.5%) from 91.723%

Build # 5079590438

Build Type

Pull #3502

github

Pull Request Pull Request #3502: Apply clang-format to the codebase

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76.21

/src/cli/pubkey.cpp

/*
* (C) 2010,2014,2015,2019 Jack Lloyd
* (C) 2019 Matthias Gierlings
* (C) 2015 René Korthaus
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "cli.h"

#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)

   #include <botan/base64.h>
   #include <botan/hex.h>
   #include <botan/rng.h>

   #include <botan/data_src.h>
   #include <botan/hash.h>
   #include <botan/pk_algs.h>
   #include <botan/pk_keys.h>
   #include <botan/pkcs8.h>
   #include <botan/pubkey.h>
   #include <botan/x509_key.h>
   #include <botan/internal/workfactor.h>

   #include <fstream>
   #include <sstream>

   #if defined(BOTAN_HAS_DL_GROUP)
      #include <botan/dl_group.h>
   #endif

   #if defined(BOTAN_HAS_ECC_GROUP)
      #include <botan/ec_group.h>
   #endif

namespace Botan_CLI {

class PK_Keygen final : public Command {
   public:
      PK_Keygen() :
            Command(
               "keygen --algo=RSA --params= --passphrase= --cipher= --pbkdf= --pbkdf-ms=300 --pbkdf-iter= --provider= --der-out") {
      }

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Generate a PKCS #8 private key"; }

      void go() override {
         const std::string algo = get_arg("algo");
         const std::string params = get_arg("params");
         const std::string provider = get_arg("provider");

         std::unique_ptr<Botan::Private_Key> key = Botan::create_private_key(algo, rng(), params, provider);

         if(!key) {
            throw CLI_Error_Unsupported("keygen", algo);
         }

         const std::string pass = get_passphrase_arg("Key passphrase", "passphrase");
         const bool der_out = flag_set("der-out");

         const std::chrono::milliseconds pbkdf_ms(get_arg_sz("pbkdf-ms"));

         if(der_out) {
            if(pass.empty()) {
               write_output(Botan::PKCS8::BER_encode(*key));
            } else {
               if(get_arg("pbkdf-iter").empty()) {
                  write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_msec(
                     *key, rng(), pass, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf")));
               } else {
                  write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_iter(
                     *key, rng(), pass, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf")));
               }
            }
         } else {
            if(pass.empty()) {
               output() << Botan::PKCS8::PEM_encode(*key);
            } else {
               if(get_arg("pbkdf-iter").empty()) {
                  output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_msec(
                     *key, rng(), pass, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf"));
               } else {
                  output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_iter(
                     *key, rng(), pass, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf"));
               }
            }
         }
      }
};

BOTAN_REGISTER_COMMAND("keygen", PK_Keygen);

   #if defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)

namespace {

std::string choose_sig_padding(const std::string& key, const std::string& padding, const std::string& hash) {
   if(key == "RSA") {
      std::ostringstream oss;
      if(padding.empty())
         oss << "PSS";
      else
         oss << padding;

      oss << "(" << hash << ")";
      return oss.str();
   } else if(padding.empty()) {
      return hash;
   } else if(hash.empty()) {
      return padding;
   } else {
      std::ostringstream oss;
      oss << padding << "(" << hash << ")";
      return oss.str();
   }
}

}

class PK_Fingerprint final : public Command {
   public:
      PK_Fingerprint() : Command("fingerprint --no-fsname --algo=SHA-256 *keys") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Calculate a public key fingerprint"; }

      void go() override {
         const std::string hash_algo = get_arg("algo");
         const bool no_fsname = flag_set("no-fsname");

         for(const std::string& key_file : get_arg_list("keys")) {
            std::unique_ptr<Botan::Public_Key> key(key_file == "-" ? Botan::X509::load_key(this->slurp_file("-", 4096))
                                                                   : Botan::X509::load_key(key_file));

            const std::string fprint = key->fingerprint_public(hash_algo);

            if(no_fsname || key_file == "-") {
               output() << fprint << "\n";
            } else {
               output() << key_file << ": " << fprint << "\n";
            }
         }
      }
};

BOTAN_REGISTER_COMMAND("fingerprint", PK_Fingerprint);

namespace {

std::unique_ptr<Botan::Private_Key> load_private_key(const std::string& key_filename, const std::string& passphrase) {
   std::string err_string;

   try {
      Botan::DataSource_Stream input(key_filename);
      return Botan::PKCS8::load_key(input, passphrase);
   } catch(Botan::Exception& e) { err_string = e.what(); }

   if(passphrase.empty()) {
      try {
         Botan::DataSource_Stream input(key_filename);
         return Botan::PKCS8::load_key(input);
      } catch(Botan::Exception& e) { err_string = e.what(); }
   }

   throw CLI_Error("Loading private key failed (" + err_string + ")");
}

}

class PK_Sign final : public Command {
   public:
      PK_Sign() : Command("sign --der-format --passphrase= --hash=SHA-256 --padding= --provider= key file") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Sign arbitrary data"; }

      void go() override {
         const std::string key_file = get_arg("key");
         const std::string passphrase = get_passphrase_arg("Passphrase for " + key_file, "passphrase");

         auto key = load_private_key(key_file, passphrase);

         const std::string hash_fn = get_arg("hash");

         if(!hash_fn.empty() && !Botan::HashFunction::create(hash_fn))
            throw CLI_Error_Unsupported("hashing", hash_fn);

         const std::string sig_padding = choose_sig_padding(key->algo_name(), get_arg("padding"), hash_fn);

         auto format = Botan::Signature_Format::Standard;

         if(flag_set("der-format")) {
            if(key->message_parts() == 1)
               throw CLI_Usage_Error("Key type " + key->algo_name() +
                                     " does not support DER formatting for signatures");
            format = Botan::Signature_Format::DerSequence;
         }

         const std::string provider = get_arg("provider");

         Botan::PK_Signer signer(*key, rng(), sig_padding, format, provider);

         auto onData = [&signer](const uint8_t b[], size_t l) { signer.update(b, l); };
         Command::read_file(get_arg("file"), onData);

         std::vector<uint8_t> sig{signer.signature(rng())};

         if(key->stateful_operation()) {
            std::ofstream updated_key(key_file);
            if(passphrase.empty()) {
               updated_key << Botan::PKCS8::PEM_encode(*key);
            } else {
               updated_key << Botan::PKCS8::PEM_encode(*key, rng(), passphrase);
            }
         }

         output() << Botan::base64_encode(sig) << "\n";
      }
};

BOTAN_REGISTER_COMMAND("sign", PK_Sign);

class PK_Verify final : public Command {
   public:
      PK_Verify() : Command("verify --der-format --hash=SHA-256 --padding= pubkey file signature") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override {
         return "Verify the authenticity of the given file with the provided signature";
      }

      void go() override {
         auto key = Botan::X509::load_key(get_arg("pubkey"));
         if(!key) {
            throw CLI_Error("Unable to load public key");
         }

         const std::string hash_fn = get_arg("hash");

         if(!hash_fn.empty() && !Botan::HashFunction::create(hash_fn))
            throw CLI_Error_Unsupported("hashing", hash_fn);

         const std::string sig_padding = choose_sig_padding(key->algo_name(), get_arg("padding"), hash_fn);

         auto format = Botan::Signature_Format::Standard;
         if(flag_set("der-format")) {
            if(key->message_parts() == 1)
               throw CLI_Usage_Error("Key type " + key->algo_name() +
                                     " does not support DER formatting for signatures");
            format = Botan::Signature_Format::DerSequence;
         }

         Botan::PK_Verifier verifier(*key, sig_padding, format);
         auto onData = [&verifier](const uint8_t b[], size_t l) { verifier.update(b, l); };
         Command::read_file(get_arg("file"), onData);

         const Botan::secure_vector<uint8_t> signature =
            Botan::base64_decode(this->slurp_file_as_str(get_arg("signature")));

         const bool valid = verifier.check_signature(signature);

         output() << "Signature is " << (valid ? "valid" : "invalid") << "\n";
      }
};

BOTAN_REGISTER_COMMAND("verify", PK_Verify);

class PKCS8_Tool final : public Command {
   public:
      PKCS8_Tool() :
            Command(
               "pkcs8 --pass-in= --pub-out --der-out --pass-out= --cipher= --pbkdf= --pbkdf-ms=300 --pbkdf-iter= key") {
      }

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Open a PKCS #8 formatted key"; }

      void go() override {
         const std::string key_file = get_arg("key");
         const std::string pass_in = get_passphrase_arg("Password for " + key_file, "pass-in");

         Botan::DataSource_Memory key_src(slurp_file(key_file));
         std::unique_ptr<Botan::Private_Key> key;

         if(pass_in.empty()) {
            key = Botan::PKCS8::load_key(key_src);
         } else {
            key = Botan::PKCS8::load_key(key_src, pass_in);
         }

         const std::chrono::milliseconds pbkdf_ms(get_arg_sz("pbkdf-ms"));
         const bool der_out = flag_set("der-out");

         if(flag_set("pub-out")) {
            if(der_out) {
               write_output(Botan::X509::BER_encode(*key));
            } else {
               output() << Botan::X509::PEM_encode(*key);
            }
         } else {
            const std::string pass_out = get_passphrase_arg("Passphrase to encrypt key", "pass-out");

            if(der_out) {
               if(pass_out.empty()) {
                  write_output(Botan::PKCS8::BER_encode(*key));
               } else {
                  if(get_arg("pbkdf-iter").empty()) {
                     write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_msec(
                        *key, rng(), pass_out, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf")));
                  } else {
                     write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_iter(
                        *key, rng(), pass_out, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf")));
                  }
               }
            } else {
               if(pass_out.empty()) {
                  output() << Botan::PKCS8::PEM_encode(*key);
               } else {
                  if(get_arg("pbkdf-iter").empty()) {
                     output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_msec(
                        *key, rng(), pass_out, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf"));
                  } else {
                     output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_iter(
                        *key, rng(), pass_out, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf"));
                  }
               }
            }
         }
      }
};

BOTAN_REGISTER_COMMAND("pkcs8", PKCS8_Tool);

   #endif

   #if defined(BOTAN_HAS_ECC_GROUP)

class EC_Group_Info final : public Command {
   public:
      EC_Group_Info() : Command("ec_group_info --pem name") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override {
         return "Print raw elliptic curve domain parameters of the standardized curve name";
      }

      void go() override {
         Botan::EC_Group ec_group(get_arg("name"));

         if(flag_set("pem")) {
            output() << ec_group.PEM_encode();
         } else {
            output() << "P = " << std::hex << ec_group.get_p() << "\n"
                     << "A = " << std::hex << ec_group.get_a() << "\n"
                     << "B = " << std::hex << ec_group.get_b() << "\n"
                     << "N = " << std::hex << ec_group.get_order() << "\n"
                     << "G = " << ec_group.get_g_x() << "," << ec_group.get_g_y() << "\n";
         }
      }
};

BOTAN_REGISTER_COMMAND("ec_group_info", EC_Group_Info);

   #endif

   #if defined(BOTAN_HAS_DL_GROUP)

class DL_Group_Info final : public Command {
   public:
      DL_Group_Info() : Command("dl_group_info --pem name") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override {
         return "Print raw Diffie-Hellman parameters (p,g) of the standardized DH group name";
      }

      void go() override {
         Botan::DL_Group dl_group(get_arg("name"));

         if(flag_set("pem")) {
            output() << dl_group.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42_DH_PARAMETERS);
         } else {
            output() << "P = " << std::hex << dl_group.get_p() << "\n"
                     << "G = " << dl_group.get_g() << "\n";
         }
      }
};

BOTAN_REGISTER_COMMAND("dl_group_info", DL_Group_Info);

class PK_Workfactor final : public Command {
   public:
      PK_Workfactor() : Command("pk_workfactor --type=rsa bits") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Provide estimate of strength of public key based on size"; }

      void go() override {
         const size_t bits = get_arg_sz("bits");
         const std::string type = get_arg("type");

         if(type == "rsa") {
            output() << Botan::if_work_factor(bits) << "\n";
         } else if(type == "dl") {
            output() << Botan::dl_work_factor(bits) << "\n";
         } else if(type == "dl_exp") {
            output() << Botan::dl_exponent_size(bits) << "\n";
         } else {
            throw CLI_Usage_Error("Unknown type for pk_workfactor (rsa, dl, dl_exp)");
         }
      }
};

BOTAN_REGISTER_COMMAND("pk_workfactor", PK_Workfactor);

class Gen_DL_Group final : public Command {
   public:
      Gen_DL_Group() : Command("gen_dl_group --pbits=2048 --qbits=0 --seed= --type=subgroup") {}

      std::string group() const override { return "pubkey"; }

      std::string description() const override { return "Generate ANSI X9.42 encoded Diffie-Hellman group parameters"; }

      void go() override {
         const size_t pbits = get_arg_sz("pbits");
         const size_t qbits = get_arg_sz("qbits");

         const std::string type = get_arg("type");
         const std::string seed_str = get_arg("seed");

         if(type == "strong") {
            if(!seed_str.empty()) {
               throw CLI_Usage_Error("Seed only supported for DSA param gen");
            }
            Botan::DL_Group grp(rng(), Botan::DL_Group::Strong, pbits);
            output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42);
         } else if(type == "subgroup") {
            if(!seed_str.empty()) {
               throw CLI_Usage_Error("Seed only supported for DSA param gen");
            }
            Botan::DL_Group grp(rng(), Botan::DL_Group::Prime_Subgroup, pbits, qbits);
            output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42);
         } else if(type == "dsa") {
            size_t dsa_qbits = qbits;
            if(dsa_qbits == 0) {
               if(pbits == 1024) {
                  dsa_qbits = 160;
               } else if(pbits == 2048 || pbits == 3072) {
                  dsa_qbits = 256;
               } else {
                  throw CLI_Usage_Error("Invalid DSA p/q sizes");
               }
            }

            if(seed_str.empty()) {
               Botan::DL_Group grp(rng(), Botan::DL_Group::DSA_Kosherizer, pbits, dsa_qbits);
               output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_57);
            } else {
               const std::vector<uint8_t> seed = Botan::hex_decode(seed_str);
               Botan::DL_Group grp(rng(), seed, pbits, dsa_qbits);
               output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_57);
            }

         } else {
            throw CLI_Usage_Error("Invalid DL type '" + type + "'");
         }
      }
};

BOTAN_REGISTER_COMMAND("gen_dl_group", Gen_DL_Group);

   #endif

}

#endif

1	/*
2	* (C) 2010,2014,2015,2019 Jack Lloyd
3	* (C) 2019 Matthias Gierlings
4	* (C) 2015 René Korthaus
5	*
6	* Botan is released under the Simplified BSD License (see license.txt)
7	*/
8
9	#include "cli.h"
10
11	#if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)
12
13	#include <botan/base64.h>
14	#include <botan/hex.h>
15	#include <botan/rng.h>
16
17	#include <botan/data_src.h>
18	#include <botan/hash.h>
19	#include <botan/pk_algs.h>
20	#include <botan/pk_keys.h>
21	#include <botan/pkcs8.h>
22	#include <botan/pubkey.h>
23	#include <botan/x509_key.h>
24	#include <botan/internal/workfactor.h>
25
26	#include <fstream>
27	#include <sstream>
28
29	#if defined(BOTAN_HAS_DL_GROUP)
30	#include <botan/dl_group.h>
31	#endif
32
33	#if defined(BOTAN_HAS_ECC_GROUP)
34	#include <botan/ec_group.h>
35	#endif
36
37	namespace Botan_CLI {
38
39	class PK_Keygen final : public Command {
40	public:
41	PK_Keygen() :	20✔
42	Command(
43	"keygen --algo=RSA --params= --passphrase= --cipher= --pbkdf= --pbkdf-ms=300 --pbkdf-iter= --provider= --der-out") {	20✔
44	}	20✔
45
46	std::string group() const override { return "pubkey"; }	1✔
47
48	std::string description() const override { return "Generate a PKCS #8 private key"; }	1✔
49
50	void go() override {	19✔
51	const std::string algo = get_arg("algo");	19✔
52	const std::string params = get_arg("params");	19✔
53	const std::string provider = get_arg("provider");	19✔
54
55	std::unique_ptr<Botan::Private_Key> key = Botan::create_private_key(algo, rng(), params, provider);	19✔
56
57	if(!key) {	19✔
58	throw CLI_Error_Unsupported("keygen", algo);	×
59	}
60
61	const std::string pass = get_passphrase_arg("Key passphrase", "passphrase");	38✔
62	const bool der_out = flag_set("der-out");	19✔
63
64	const std::chrono::milliseconds pbkdf_ms(get_arg_sz("pbkdf-ms"));	19✔
65
66	if(der_out) {	19✔
67	if(pass.empty()) {	×
68	write_output(Botan::PKCS8::BER_encode(*key));	×
69	} else {
70	if(get_arg("pbkdf-iter").empty()) {	×
71	write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_msec(	×
72	*key, rng(), pass, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf")));	×
73	} else {
74	write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_iter(	×
75	*key, rng(), pass, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf")));	×
76	}
77	}
78	} else {
79	if(pass.empty()) {	19✔
80	output() << Botan::PKCS8::PEM_encode(*key);	57✔
81	} else {
82	if(get_arg("pbkdf-iter").empty()) {	×
83	output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_msec(	×
84	*key, rng(), pass, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf"));	×
85	} else {
86	output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_iter(	×
87	*key, rng(), pass, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf"));	×
88	}
89	}
90	}
91	}	42✔
92	};
93
94	BOTAN_REGISTER_COMMAND("keygen", PK_Keygen);	20✔
95
96	#if defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
97
98	namespace {
99
100	std::string choose_sig_padding(const std::string& key, const std::string& padding, const std::string& hash) {	7✔
101	if(key == "RSA") {	7✔
102	std::ostringstream oss;	×
103	if(padding.empty())	×
104	oss << "PSS";	×
105	else
106	oss << padding;	×
107
108	oss << "(" << hash << ")";	×
109	return oss.str();	×
110	} else if(padding.empty()) {	7✔
111	return hash;	7✔
112	} else if(hash.empty()) {	×
113	return padding;	7✔
114	} else {
115	std::ostringstream oss;	×
116	oss << padding << "(" << hash << ")";	×
117	return oss.str();	×
118	}	×
119	}
120
121	}
122
123	class PK_Fingerprint final : public Command {
124	public:
125	PK_Fingerprint() : Command("fingerprint --no-fsname --algo=SHA-256 *keys") {}	16✔
126
127	std::string group() const override { return "pubkey"; }	1✔
128
129	std::string description() const override { return "Calculate a public key fingerprint"; }	1✔
130
131	void go() override {	7✔
132	const std::string hash_algo = get_arg("algo");	7✔
133	const bool no_fsname = flag_set("no-fsname");	7✔
134
135	for(const std::string& key_file : get_arg_list("keys")) {	15✔
136	std::unique_ptr<Botan::Public_Key> key(key_file == "-" ? Botan::X509::load_key(this->slurp_file("-", 4096))	17✔
137	: Botan::X509::load_key(key_file));	9✔
138
139	const std::string fprint = key->fingerprint_public(hash_algo);	8✔
140
141	if(no_fsname \|\| key_file == "-") {	8✔
142	output() << fprint << "\n";	7✔
143	} else {
144	output() << key_file << ": " << fprint << "\n";	1✔
145	}
146	}	23✔
147	}	7✔
148	};
149
150	BOTAN_REGISTER_COMMAND("fingerprint", PK_Fingerprint);	8✔
151
152	namespace {
153
154	std::unique_ptr<Botan::Private_Key> load_private_key(const std::string& key_filename, const std::string& passphrase) {	3✔
155	std::string err_string;	3✔
156
157	try {	3✔
158	Botan::DataSource_Stream input(key_filename);	3✔
159	return Botan::PKCS8::load_key(input, passphrase);	3✔
160	} catch(Botan::Exception& e) { err_string = e.what(); }	3✔
161
162	if(passphrase.empty()) {	×
163	try {	×
164	Botan::DataSource_Stream input(key_filename);	×
165	return Botan::PKCS8::load_key(input);	×
166	} catch(Botan::Exception& e) { err_string = e.what(); }	×
167	}
168
169	throw CLI_Error("Loading private key failed (" + err_string + ")");	×
170	}	3✔
171
172	}
173
174	class PK_Sign final : public Command {
175	public:
176	PK_Sign() : Command("sign --der-format --passphrase= --hash=SHA-256 --padding= --provider= key file") {}	8✔
177
178	std::string group() const override { return "pubkey"; }	1✔
179
180	std::string description() const override { return "Sign arbitrary data"; }	1✔
181
182	void go() override {	3✔
183	const std::string key_file = get_arg("key");	3✔
184	const std::string passphrase = get_passphrase_arg("Passphrase for " + key_file, "passphrase");	6✔
185
186	auto key = load_private_key(key_file, passphrase);	3✔
187
188	const std::string hash_fn = get_arg("hash");	3✔
189
190	if(!hash_fn.empty() && !Botan::HashFunction::create(hash_fn))	6✔
191	throw CLI_Error_Unsupported("hashing", hash_fn);	×
192
193	const std::string sig_padding = choose_sig_padding(key->algo_name(), get_arg("padding"), hash_fn);	6✔
194
195	auto format = Botan::Signature_Format::Standard;	3✔
196
197	if(flag_set("der-format")) {	3✔
198	if(key->message_parts() == 1)	×
199	throw CLI_Usage_Error("Key type " + key->algo_name() +	×
200	" does not support DER formatting for signatures");	×
201	format = Botan::Signature_Format::DerSequence;
202	}
203
204	const std::string provider = get_arg("provider");	3✔
205
206	Botan::PK_Signer signer(*key, rng(), sig_padding, format, provider);	3✔
207
208	auto onData = [&signer](const uint8_t b[], size_t l) { signer.update(b, l); };	3✔
209	Command::read_file(get_arg("file"), onData);	6✔
210
211	std::vector<uint8_t> sig{signer.signature(rng())};	3✔
212
213	if(key->stateful_operation()) {	3✔
214	std::ofstream updated_key(key_file);	2✔
215	if(passphrase.empty()) {	2✔
216	updated_key << Botan::PKCS8::PEM_encode(*key);	6✔
217	} else {
218	updated_key << Botan::PKCS8::PEM_encode(*key, rng(), passphrase);	×
219	}
220	}	2✔
221
222	output() << Botan::base64_encode(sig) << "\n";	6✔
223	}	9✔
224	};
225
226	BOTAN_REGISTER_COMMAND("sign", PK_Sign);	4✔
227
228	class PK_Verify final : public Command {
229	public:
230	PK_Verify() : Command("verify --der-format --hash=SHA-256 --padding= pubkey file signature") {}	10✔
231
232	std::string group() const override { return "pubkey"; }	1✔
233
234	std::string description() const override {	1✔
235	return "Verify the authenticity of the given file with the provided signature";	1✔
236	}
237
238	void go() override {	4✔
239	auto key = Botan::X509::load_key(get_arg("pubkey"));	8✔
240	if(!key) {	4✔
241	throw CLI_Error("Unable to load public key");	×
242	}
243
244	const std::string hash_fn = get_arg("hash");	4✔
245
246	if(!hash_fn.empty() && !Botan::HashFunction::create(hash_fn))	8✔
247	throw CLI_Error_Unsupported("hashing", hash_fn);	×
248
249	const std::string sig_padding = choose_sig_padding(key->algo_name(), get_arg("padding"), hash_fn);	8✔
250
251	auto format = Botan::Signature_Format::Standard;	4✔
252	if(flag_set("der-format")) {	4✔
253	if(key->message_parts() == 1)	×
254	throw CLI_Usage_Error("Key type " + key->algo_name() +	×
255	" does not support DER formatting for signatures");	×
256	format = Botan::Signature_Format::DerSequence;
257	}
258
259	Botan::PK_Verifier verifier(*key, sig_padding, format);	4✔
260	auto onData = [&verifier](const uint8_t b[], size_t l) { verifier.update(b, l); };	4✔
261	Command::read_file(get_arg("file"), onData);	8✔
262
263	const Botan::secure_vector<uint8_t> signature =	4✔
264	Botan::base64_decode(this->slurp_file_as_str(get_arg("signature")));	10✔
265
266	const bool valid = verifier.check_signature(signature);	4✔
267
268	output() << "Signature is " << (valid ? "valid" : "invalid") << "\n";	5✔
269	}	8✔
270	};
271
272	BOTAN_REGISTER_COMMAND("verify", PK_Verify);	5✔
273
274	class PKCS8_Tool final : public Command {
275	public:
276	PKCS8_Tool() :	10✔
277	Command(
278	"pkcs8 --pass-in= --pub-out --der-out --pass-out= --cipher= --pbkdf= --pbkdf-ms=300 --pbkdf-iter= key") {	10✔
279	}	10✔
280
281	std::string group() const override { return "pubkey"; }	1✔
282
283	std::string description() const override { return "Open a PKCS #8 formatted key"; }	1✔
284
285	void go() override {	9✔
286	const std::string key_file = get_arg("key");	9✔
287	const std::string pass_in = get_passphrase_arg("Password for " + key_file, "pass-in");	18✔
288
289	Botan::DataSource_Memory key_src(slurp_file(key_file));	18✔
290	std::unique_ptr<Botan::Private_Key> key;	9✔
291
292	if(pass_in.empty()) {	9✔
293	key = Botan::PKCS8::load_key(key_src);	7✔
294	} else {
295	key = Botan::PKCS8::load_key(key_src, pass_in);	2✔
296	}
297
298	const std::chrono::milliseconds pbkdf_ms(get_arg_sz("pbkdf-ms"));	9✔
299	const bool der_out = flag_set("der-out");	9✔
300
301	if(flag_set("pub-out")) {	9✔
302	if(der_out) {	5✔
303	write_output(Botan::X509::BER_encode(*key));	2✔
304	} else {
305	output() << Botan::X509::PEM_encode(*key);	12✔
306	}
307	} else {
308	const std::string pass_out = get_passphrase_arg("Passphrase to encrypt key", "pass-out");	8✔
309
310	if(der_out) {	4✔
311	if(pass_out.empty()) {	1✔
312	write_output(Botan::PKCS8::BER_encode(*key));	×
313	} else {
314	if(get_arg("pbkdf-iter").empty()) {	1✔
315	write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_msec(	2✔
316	*key, rng(), pass_out, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf")));	3✔
317	} else {
318	write_output(Botan::PKCS8::BER_encode_encrypted_pbkdf_iter(	×
319	*key, rng(), pass_out, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf")));	×
320	}
321	}
322	} else {
323	if(pass_out.empty()) {	3✔
324	output() << Botan::PKCS8::PEM_encode(*key);	6✔
325	} else {
326	if(get_arg("pbkdf-iter").empty()) {	1✔
327	output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_msec(	3✔
328	*key, rng(), pass_out, pbkdf_ms, nullptr, get_arg("cipher"), get_arg("pbkdf"));	4✔
329	} else {
330	output() << Botan::PKCS8::PEM_encode_encrypted_pbkdf_iter(	×
331	*key, rng(), pass_out, get_arg_sz("pbkdf-iter"), get_arg("cipher"), get_arg("pbkdf"));	×
332	}
333	}
334	}
335	}	4✔
336	}	27✔
337	};
338
339	BOTAN_REGISTER_COMMAND("pkcs8", PKCS8_Tool);	10✔
340
341	#endif
342
343	#if defined(BOTAN_HAS_ECC_GROUP)
344
345	class EC_Group_Info final : public Command {
346	public:
347	EC_Group_Info() : Command("ec_group_info --pem name") {}	6✔
348
349	std::string group() const override { return "pubkey"; }	1✔
350
351	std::string description() const override {	1✔
352	return "Print raw elliptic curve domain parameters of the standardized curve name";	1✔
353	}
354
355	void go() override {	2✔
356	Botan::EC_Group ec_group(get_arg("name"));	4✔
357
358	if(flag_set("pem")) {	2✔
359	output() << ec_group.PEM_encode();	3✔
360	} else {
361	output() << "P = " << std::hex << ec_group.get_p() << "\n"	1✔
362	<< "A = " << std::hex << ec_group.get_a() << "\n"	1✔
363	<< "B = " << std::hex << ec_group.get_b() << "\n"	1✔
364	<< "N = " << std::hex << ec_group.get_order() << "\n"	1✔
365	<< "G = " << ec_group.get_g_x() << "," << ec_group.get_g_y() << "\n";	1✔
366	}
367	}	2✔
368	};
369
370	BOTAN_REGISTER_COMMAND("ec_group_info", EC_Group_Info);	3✔
371
372	#endif
373
374	#if defined(BOTAN_HAS_DL_GROUP)
375
376	class DL_Group_Info final : public Command {
377	public:
378	DL_Group_Info() : Command("dl_group_info --pem name") {}	16✔
379
380	std::string group() const override { return "pubkey"; }	1✔
381
382	std::string description() const override {	1✔
383	return "Print raw Diffie-Hellman parameters (p,g) of the standardized DH group name";	1✔
384	}
385
386	void go() override {	7✔
387	Botan::DL_Group dl_group(get_arg("name"));	14✔
388
389	if(flag_set("pem")) {	7✔
390	output() << dl_group.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42_DH_PARAMETERS);	×
391	} else {
392	output() << "P = " << std::hex << dl_group.get_p() << "\n"	7✔
393	<< "G = " << dl_group.get_g() << "\n";	7✔
394	}
395	}	7✔
396	};
397
398	BOTAN_REGISTER_COMMAND("dl_group_info", DL_Group_Info);	8✔
399
400	class PK_Workfactor final : public Command {
401	public:
402	PK_Workfactor() : Command("pk_workfactor --type=rsa bits") {}	12✔
403
404	std::string group() const override { return "pubkey"; }	1✔
405
406	std::string description() const override { return "Provide estimate of strength of public key based on size"; }	1✔
407
408	void go() override {	5✔
409	const size_t bits = get_arg_sz("bits");	5✔
410	const std::string type = get_arg("type");	5✔
411
412	if(type == "rsa") {	5✔
413	output() << Botan::if_work_factor(bits) << "\n";	3✔
414	} else if(type == "dl") {	2✔
415	output() << Botan::dl_work_factor(bits) << "\n";	1✔
416	} else if(type == "dl_exp") {	1✔
417	output() << Botan::dl_exponent_size(bits) << "\n";	1✔
418	} else {
419	throw CLI_Usage_Error("Unknown type for pk_workfactor (rsa, dl, dl_exp)");	×
420	}
421	}	5✔
422	};
423
424	BOTAN_REGISTER_COMMAND("pk_workfactor", PK_Workfactor);	6✔
425
426	class Gen_DL_Group final : public Command {
427	public:
428	Gen_DL_Group() : Command("gen_dl_group --pbits=2048 --qbits=0 --seed= --type=subgroup") {}	6✔
429
430	std::string group() const override { return "pubkey"; }	1✔
431
432	std::string description() const override { return "Generate ANSI X9.42 encoded Diffie-Hellman group parameters"; }	1✔
433
434	void go() override {	2✔
435	const size_t pbits = get_arg_sz("pbits");	2✔
436	const size_t qbits = get_arg_sz("qbits");	2✔
437
438	const std::string type = get_arg("type");	2✔
439	const std::string seed_str = get_arg("seed");	2✔
440
441	if(type == "strong") {	2✔
442	if(!seed_str.empty()) {	×
443	throw CLI_Usage_Error("Seed only supported for DSA param gen");	×
444	}
445	Botan::DL_Group grp(rng(), Botan::DL_Group::Strong, pbits);	×
446	output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42);	×
447	} else if(type == "subgroup") {	2✔
448	if(!seed_str.empty()) {	1✔
449	throw CLI_Usage_Error("Seed only supported for DSA param gen");	×
450	}
451	Botan::DL_Group grp(rng(), Botan::DL_Group::Prime_Subgroup, pbits, qbits);	1✔
452	output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_42);	3✔
453	} else if(type == "dsa") {	2✔
454	size_t dsa_qbits = qbits;	1✔
455	if(dsa_qbits == 0) {	1✔
456	if(pbits == 1024) {	1✔
457	dsa_qbits = 160;
458	} else if(pbits == 2048 \|\| pbits == 3072) {	×
459	dsa_qbits = 256;
460	} else {
461	throw CLI_Usage_Error("Invalid DSA p/q sizes");	×
462	}
463	}
464
465	if(seed_str.empty()) {	1✔
466	Botan::DL_Group grp(rng(), Botan::DL_Group::DSA_Kosherizer, pbits, dsa_qbits);	1✔
467	output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_57);	3✔
468	} else {	1✔
469	const std::vector<uint8_t> seed = Botan::hex_decode(seed_str);	×
470	Botan::DL_Group grp(rng(), seed, pbits, dsa_qbits);	×
471	output() << grp.PEM_encode(Botan::DL_Group_Format::ANSI_X9_57);	×
472	}	×
473
474	} else {
475	throw CLI_Usage_Error("Invalid DL type '" + type + "'");	×
476	}
477	}	2✔
478	};
479
480	BOTAN_REGISTER_COMMAND("gen_dl_group", Gen_DL_Group);	3✔
481
482	#endif
483
484	}
485
486	#endif

randombit / botan / 5079590438

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