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apps/genpkey.c
/* | /* | ||||
* Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved. | * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. | ||||
* | * | ||||
* Licensed under the OpenSSL license (the "License"). You may not use | * Licensed under the Apache License 2.0 (the "License"). You may not use | ||||
* this file except in compliance with the License. You can obtain a copy | * this file except in compliance with the License. You can obtain a copy | ||||
* in the file LICENSE in the source distribution or at | * in the file LICENSE in the source distribution or at | ||||
* https://www.openssl.org/source/license.html | * https://www.openssl.org/source/license.html | ||||
*/ | */ | ||||
#include <stdio.h> | #include <stdio.h> | ||||
#include <string.h> | #include <string.h> | ||||
#include "apps.h" | #include "apps.h" | ||||
#include "progs.h" | #include "progs.h" | ||||
#include <openssl/pem.h> | #include <openssl/pem.h> | ||||
#include <openssl/err.h> | #include <openssl/err.h> | ||||
#include <openssl/evp.h> | #include <openssl/evp.h> | ||||
#ifndef OPENSSL_NO_ENGINE | |||||
# include <openssl/engine.h> | |||||
#endif | |||||
static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e); | static int quiet; | ||||
static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e, | |||||
OSSL_LIB_CTX *libctx, const char *propq); | |||||
static int genpkey_cb(EVP_PKEY_CTX *ctx); | static int genpkey_cb(EVP_PKEY_CTX *ctx); | ||||
typedef enum OPTION_choice { | typedef enum OPTION_choice { | ||||
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | OPT_COMMON, | ||||
OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE, | OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE, | ||||
OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER | OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER, | ||||
OPT_QUIET, OPT_CONFIG, | |||||
OPT_PROV_ENUM | |||||
} OPTION_CHOICE; | } OPTION_CHOICE; | ||||
const OPTIONS genpkey_options[] = { | const OPTIONS genpkey_options[] = { | ||||
OPT_SECTION("General"), | |||||
{"help", OPT_HELP, '-', "Display this summary"}, | {"help", OPT_HELP, '-', "Display this summary"}, | ||||
{"out", OPT_OUT, '>', "Output file"}, | #ifndef OPENSSL_NO_ENGINE | ||||
{"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"}, | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | ||||
{"pass", OPT_PASS, 's', "Output file pass phrase source"}, | #endif | ||||
{"paramfile", OPT_PARAMFILE, '<', "Parameters file"}, | {"paramfile", OPT_PARAMFILE, '<', "Parameters file"}, | ||||
{"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"}, | {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"}, | ||||
{"quiet", OPT_QUIET, '-', "Do not output status while generating keys"}, | |||||
{"pkeyopt", OPT_PKEYOPT, 's', | {"pkeyopt", OPT_PKEYOPT, 's', | ||||
"Set the public key algorithm option as opt:value"}, | "Set the public key algorithm option as opt:value"}, | ||||
OPT_CONFIG_OPTION, | |||||
OPT_SECTION("Output"), | |||||
{"out", OPT_OUT, '>', "Output file"}, | |||||
{"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"}, | |||||
{"pass", OPT_PASS, 's', "Output file pass phrase source"}, | |||||
{"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"}, | {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"}, | ||||
{"text", OPT_TEXT, '-', "Print the in text"}, | {"text", OPT_TEXT, '-', "Print the in text"}, | ||||
{"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"}, | {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"}, | ||||
#ifndef OPENSSL_NO_ENGINE | |||||
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | OPT_PROV_OPTIONS, | ||||
#endif | |||||
/* This is deliberately last. */ | /* This is deliberately last. */ | ||||
{OPT_HELP_STR, 1, 1, | {OPT_HELP_STR, 1, 1, | ||||
"Order of options may be important! See the documentation.\n"}, | "Order of options may be important! See the documentation.\n"}, | ||||
{NULL} | {NULL} | ||||
}; | }; | ||||
int genpkey_main(int argc, char **argv) | int genpkey_main(int argc, char **argv) | ||||
{ | { | ||||
CONF *conf = NULL; | |||||
BIO *in = NULL, *out = NULL; | BIO *in = NULL, *out = NULL; | ||||
ENGINE *e = NULL; | ENGINE *e = NULL; | ||||
EVP_PKEY *pkey = NULL; | EVP_PKEY *pkey = NULL; | ||||
EVP_PKEY_CTX *ctx = NULL; | EVP_PKEY_CTX *ctx = NULL; | ||||
char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog; | char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog, *p; | ||||
const EVP_CIPHER *cipher = NULL; | const char *ciphername = NULL, *paramfile = NULL, *algname = NULL; | ||||
EVP_CIPHER *cipher = NULL; | |||||
OPTION_CHOICE o; | OPTION_CHOICE o; | ||||
int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0; | int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0; | ||||
int private = 0; | int private = 0, i; | ||||
OSSL_LIB_CTX *libctx = app_get0_libctx(); | |||||
STACK_OF(OPENSSL_STRING) *keyopt = NULL; | |||||
prog = opt_init(argc, argv, genpkey_options); | prog = opt_init(argc, argv, genpkey_options); | ||||
keyopt = sk_OPENSSL_STRING_new_null(); | |||||
if (keyopt == NULL) | |||||
goto end; | |||||
while ((o = opt_next()) != OPT_EOF) { | while ((o = opt_next()) != OPT_EOF) { | ||||
switch (o) { | switch (o) { | ||||
case OPT_EOF: | case OPT_EOF: | ||||
case OPT_ERR: | case OPT_ERR: | ||||
opthelp: | opthelp: | ||||
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | ||||
goto end; | goto end; | ||||
case OPT_HELP: | case OPT_HELP: | ||||
Show All 11 Lines | opthelp: | ||||
passarg = opt_arg(); | passarg = opt_arg(); | ||||
break; | break; | ||||
case OPT_ENGINE: | case OPT_ENGINE: | ||||
e = setup_engine(opt_arg(), 0); | e = setup_engine(opt_arg(), 0); | ||||
break; | break; | ||||
case OPT_PARAMFILE: | case OPT_PARAMFILE: | ||||
if (do_param == 1) | if (do_param == 1) | ||||
goto opthelp; | goto opthelp; | ||||
if (!init_keygen_file(&ctx, opt_arg(), e)) | paramfile = opt_arg(); | ||||
goto end; | |||||
break; | break; | ||||
case OPT_ALGORITHM: | case OPT_ALGORITHM: | ||||
if (!init_gen_str(&ctx, opt_arg(), e, do_param)) | algname = opt_arg(); | ||||
goto end; | |||||
break; | break; | ||||
case OPT_PKEYOPT: | case OPT_PKEYOPT: | ||||
if (ctx == NULL) { | if (!sk_OPENSSL_STRING_push(keyopt, opt_arg())) | ||||
BIO_printf(bio_err, "%s: No keytype specified.\n", prog); | |||||
goto opthelp; | |||||
} | |||||
if (pkey_ctrl_string(ctx, opt_arg()) <= 0) { | |||||
BIO_printf(bio_err, | |||||
"%s: Error setting %s parameter:\n", | |||||
prog, opt_arg()); | |||||
ERR_print_errors(bio_err); | |||||
goto end; | goto end; | ||||
} | |||||
break; | break; | ||||
case OPT_QUIET: | |||||
quiet = 1; | |||||
break; | |||||
case OPT_GENPARAM: | case OPT_GENPARAM: | ||||
if (ctx != NULL) | |||||
goto opthelp; | |||||
do_param = 1; | do_param = 1; | ||||
break; | break; | ||||
case OPT_TEXT: | case OPT_TEXT: | ||||
text = 1; | text = 1; | ||||
break; | break; | ||||
case OPT_CIPHER: | case OPT_CIPHER: | ||||
if (!opt_cipher(opt_unknown(), &cipher) | ciphername = opt_unknown(); | ||||
|| do_param == 1) | break; | ||||
goto opthelp; | case OPT_CONFIG: | ||||
if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE || | conf = app_load_config_modules(opt_arg()); | ||||
EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE || | if (conf == NULL) | ||||
EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE || | |||||
EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE) { | |||||
BIO_printf(bio_err, "%s: cipher mode not supported\n", prog); | |||||
goto end; | goto end; | ||||
break; | |||||
case OPT_PROV_CASES: | |||||
if (!opt_provider(o)) | |||||
goto end; | |||||
break; | |||||
} | } | ||||
} | } | ||||
} | |||||
/* No extra arguments. */ | |||||
argc = opt_num_rest(); | argc = opt_num_rest(); | ||||
if (argc != 0) | if (argc != 0) | ||||
goto opthelp; | goto opthelp; | ||||
private = do_param ? 0 : 1; | /* Fetch cipher, etc. */ | ||||
if (paramfile != NULL) { | |||||
if (!init_keygen_file(&ctx, paramfile, e, libctx, app_get0_propq())) | |||||
goto end; | |||||
} | |||||
if (algname != NULL) { | |||||
if (!init_gen_str(&ctx, algname, e, do_param, libctx, app_get0_propq())) | |||||
goto end; | |||||
} | |||||
if (ctx == NULL) | if (ctx == NULL) | ||||
goto opthelp; | goto opthelp; | ||||
for (i = 0; i < sk_OPENSSL_STRING_num(keyopt); i++) { | |||||
p = sk_OPENSSL_STRING_value(keyopt, i); | |||||
if (pkey_ctrl_string(ctx, p) <= 0) { | |||||
BIO_printf(bio_err, "%s: Error setting %s parameter:\n", prog, p); | |||||
ERR_print_errors(bio_err); | |||||
goto end; | |||||
} | |||||
} | |||||
if (ciphername != NULL) | |||||
if (!opt_cipher(ciphername, &cipher) || do_param == 1) | |||||
goto opthelp; | |||||
private = do_param ? 0 : 1; | |||||
if (!app_passwd(passarg, NULL, &pass, NULL)) { | if (!app_passwd(passarg, NULL, &pass, NULL)) { | ||||
BIO_puts(bio_err, "Error getting password\n"); | BIO_puts(bio_err, "Error getting password\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
out = bio_open_owner(outfile, outformat, private); | out = bio_open_owner(outfile, outformat, private); | ||||
if (out == NULL) | if (out == NULL) | ||||
goto end; | goto end; | ||||
EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); | EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); | ||||
EVP_PKEY_CTX_set_app_data(ctx, bio_err); | EVP_PKEY_CTX_set_app_data(ctx, bio_err); | ||||
if (do_param) { | pkey = do_param ? app_paramgen(ctx, algname) | ||||
if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) { | : app_keygen(ctx, algname, 0, 0 /* not verbose */); | ||||
BIO_puts(bio_err, "Error generating parameters\n"); | |||||
ERR_print_errors(bio_err); | |||||
goto end; | |||||
} | |||||
} else { | |||||
if (EVP_PKEY_keygen(ctx, &pkey) <= 0) { | |||||
BIO_puts(bio_err, "Error generating key\n"); | |||||
ERR_print_errors(bio_err); | |||||
goto end; | |||||
} | |||||
} | |||||
if (do_param) { | if (do_param) { | ||||
rv = PEM_write_bio_Parameters(out, pkey); | rv = PEM_write_bio_Parameters(out, pkey); | ||||
} else if (outformat == FORMAT_PEM) { | } else if (outformat == FORMAT_PEM) { | ||||
assert(private); | assert(private); | ||||
rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass); | rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass); | ||||
} else if (outformat == FORMAT_ASN1) { | } else if (outformat == FORMAT_ASN1) { | ||||
assert(private); | assert(private); | ||||
rv = i2d_PrivateKey_bio(out, pkey); | rv = i2d_PrivateKey_bio(out, pkey); | ||||
} else { | } else { | ||||
BIO_printf(bio_err, "Bad format specified for key\n"); | BIO_printf(bio_err, "Bad format specified for key\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
ret = 0; | ret = 0; | ||||
if (rv <= 0) { | if (rv <= 0) { | ||||
BIO_puts(bio_err, "Error writing key\n"); | BIO_puts(bio_err, "Error writing key\n"); | ||||
ERR_print_errors(bio_err); | |||||
ret = 1; | ret = 1; | ||||
} | } | ||||
if (text) { | if (text) { | ||||
if (do_param) | if (do_param) | ||||
rv = EVP_PKEY_print_params(out, pkey, 0, NULL); | rv = EVP_PKEY_print_params(out, pkey, 0, NULL); | ||||
else | else | ||||
rv = EVP_PKEY_print_private(out, pkey, 0, NULL); | rv = EVP_PKEY_print_private(out, pkey, 0, NULL); | ||||
if (rv <= 0) { | if (rv <= 0) { | ||||
BIO_puts(bio_err, "Error printing key\n"); | BIO_puts(bio_err, "Error printing key\n"); | ||||
ERR_print_errors(bio_err); | |||||
ret = 1; | ret = 1; | ||||
} | } | ||||
} | } | ||||
end: | end: | ||||
sk_OPENSSL_STRING_free(keyopt); | |||||
if (ret != 0) | |||||
ERR_print_errors(bio_err); | |||||
EVP_PKEY_free(pkey); | EVP_PKEY_free(pkey); | ||||
EVP_PKEY_CTX_free(ctx); | EVP_PKEY_CTX_free(ctx); | ||||
EVP_CIPHER_free(cipher); | |||||
BIO_free_all(out); | BIO_free_all(out); | ||||
BIO_free(in); | BIO_free(in); | ||||
release_engine(e); | release_engine(e); | ||||
OPENSSL_free(pass); | OPENSSL_free(pass); | ||||
NCONF_free(conf); | |||||
return ret; | return ret; | ||||
} | } | ||||
static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e) | static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e, | ||||
OSSL_LIB_CTX *libctx, const char *propq) | |||||
{ | { | ||||
BIO *pbio; | BIO *pbio; | ||||
EVP_PKEY *pkey = NULL; | EVP_PKEY *pkey = NULL; | ||||
EVP_PKEY_CTX *ctx = NULL; | EVP_PKEY_CTX *ctx = NULL; | ||||
if (*pctx) { | if (*pctx) { | ||||
BIO_puts(bio_err, "Parameters already set!\n"); | BIO_puts(bio_err, "Parameters already set!\n"); | ||||
return 0; | return 0; | ||||
} | } | ||||
pbio = BIO_new_file(file, "r"); | pbio = BIO_new_file(file, "r"); | ||||
if (!pbio) { | if (pbio == NULL) { | ||||
BIO_printf(bio_err, "Can't open parameter file %s\n", file); | BIO_printf(bio_err, "Can't open parameter file %s\n", file); | ||||
return 0; | return 0; | ||||
} | } | ||||
pkey = PEM_read_bio_Parameters(pbio, NULL); | pkey = PEM_read_bio_Parameters_ex(pbio, NULL, libctx, propq); | ||||
BIO_free(pbio); | BIO_free(pbio); | ||||
if (!pkey) { | if (pkey == NULL) { | ||||
BIO_printf(bio_err, "Error reading parameter file %s\n", file); | BIO_printf(bio_err, "Error reading parameter file %s\n", file); | ||||
return 0; | return 0; | ||||
} | } | ||||
if (e != NULL) | |||||
ctx = EVP_PKEY_CTX_new(pkey, e); | ctx = EVP_PKEY_CTX_new(pkey, e); | ||||
else | |||||
ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq); | |||||
if (ctx == NULL) | if (ctx == NULL) | ||||
goto err; | goto err; | ||||
if (EVP_PKEY_keygen_init(ctx) <= 0) | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||||
goto err; | goto err; | ||||
EVP_PKEY_free(pkey); | EVP_PKEY_free(pkey); | ||||
*pctx = ctx; | *pctx = ctx; | ||||
return 1; | return 1; | ||||
err: | err: | ||||
BIO_puts(bio_err, "Error initializing context\n"); | BIO_puts(bio_err, "Error initializing context\n"); | ||||
ERR_print_errors(bio_err); | ERR_print_errors(bio_err); | ||||
EVP_PKEY_CTX_free(ctx); | EVP_PKEY_CTX_free(ctx); | ||||
EVP_PKEY_free(pkey); | EVP_PKEY_free(pkey); | ||||
return 0; | return 0; | ||||
} | } | ||||
int init_gen_str(EVP_PKEY_CTX **pctx, | int init_gen_str(EVP_PKEY_CTX **pctx, | ||||
const char *algname, ENGINE *e, int do_param) | const char *algname, ENGINE *e, int do_param, | ||||
OSSL_LIB_CTX *libctx, const char *propq) | |||||
{ | { | ||||
EVP_PKEY_CTX *ctx = NULL; | EVP_PKEY_CTX *ctx = NULL; | ||||
const EVP_PKEY_ASN1_METHOD *ameth; | |||||
ENGINE *tmpeng = NULL; | |||||
int pkey_id; | int pkey_id; | ||||
if (*pctx) { | if (*pctx) { | ||||
BIO_puts(bio_err, "Algorithm already set!\n"); | BIO_puts(bio_err, "Algorithm already set!\n"); | ||||
return 0; | return 0; | ||||
} | } | ||||
ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); | pkey_id = get_legacy_pkey_id(libctx, algname, e); | ||||
if (pkey_id != NID_undef) | |||||
#ifndef OPENSSL_NO_ENGINE | |||||
if (!ameth && e) | |||||
ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1); | |||||
#endif | |||||
if (!ameth) { | |||||
BIO_printf(bio_err, "Algorithm %s not found\n", algname); | |||||
return 0; | |||||
} | |||||
ERR_clear_error(); | |||||
EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); | |||||
#ifndef OPENSSL_NO_ENGINE | |||||
ENGINE_finish(tmpeng); | |||||
#endif | |||||
ctx = EVP_PKEY_CTX_new_id(pkey_id, e); | ctx = EVP_PKEY_CTX_new_id(pkey_id, e); | ||||
else | |||||
ctx = EVP_PKEY_CTX_new_from_name(libctx, algname, propq); | |||||
if (!ctx) | if (ctx == NULL) | ||||
goto err; | goto err; | ||||
if (do_param) { | if (do_param) { | ||||
if (EVP_PKEY_paramgen_init(ctx) <= 0) | if (EVP_PKEY_paramgen_init(ctx) <= 0) | ||||
goto err; | goto err; | ||||
} else { | } else { | ||||
if (EVP_PKEY_keygen_init(ctx) <= 0) | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||||
goto err; | goto err; | ||||
} | } | ||||
*pctx = ctx; | *pctx = ctx; | ||||
return 1; | return 1; | ||||
err: | err: | ||||
BIO_printf(bio_err, "Error initializing %s context\n", algname); | BIO_printf(bio_err, "Error initializing %s context\n", algname); | ||||
ERR_print_errors(bio_err); | ERR_print_errors(bio_err); | ||||
EVP_PKEY_CTX_free(ctx); | EVP_PKEY_CTX_free(ctx); | ||||
return 0; | return 0; | ||||
} | } | ||||
static int genpkey_cb(EVP_PKEY_CTX *ctx) | static int genpkey_cb(EVP_PKEY_CTX *ctx) | ||||
{ | { | ||||
char c = '*'; | char c = '*'; | ||||
BIO *b = EVP_PKEY_CTX_get_app_data(ctx); | BIO *b = EVP_PKEY_CTX_get_app_data(ctx); | ||||
int p; | |||||
p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); | if (quiet) | ||||
if (p == 0) | return 1; | ||||
switch (EVP_PKEY_CTX_get_keygen_info(ctx, 0)) { | |||||
case 0: | |||||
c = '.'; | c = '.'; | ||||
if (p == 1) | break; | ||||
case 1: | |||||
c = '+'; | c = '+'; | ||||
if (p == 2) | break; | ||||
c = '*'; | case 3: | ||||
if (p == 3) | |||||
c = '\n'; | c = '\n'; | ||||
break; | |||||
} | |||||
BIO_write(b, &c, 1); | BIO_write(b, &c, 1); | ||||
(void)BIO_flush(b); | (void)BIO_flush(b); | ||||
return 1; | return 1; | ||||
} | } |