From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/apps/genpkey.c | 314 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 314 insertions(+) create mode 100644 openssl-1.1.0h/apps/genpkey.c (limited to 'openssl-1.1.0h/apps/genpkey.c') diff --git a/openssl-1.1.0h/apps/genpkey.c b/openssl-1.1.0h/apps/genpkey.c new file mode 100644 index 0000000..9e37977 --- /dev/null +++ b/openssl-1.1.0h/apps/genpkey.c @@ -0,0 +1,314 @@ +/* + * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include +#include +#include "apps.h" +#include +#include +#include +#ifndef OPENSSL_NO_ENGINE +# include +#endif + +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e); +static int genpkey_cb(EVP_PKEY_CTX *ctx); + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE, + OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER +} OPTION_CHOICE; + +OPTIONS genpkey_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"out", OPT_OUT, '>', "Output file"}, + {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"}, + {"pass", OPT_PASS, 's', "Output file pass phrase source"}, + {"paramfile", OPT_PARAMFILE, '<', "Parameters file"}, + {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"}, + {"pkeyopt", OPT_PKEYOPT, 's', + "Set the public key algorithm option as opt:value"}, + {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"}, + {"text", OPT_TEXT, '-', "Print the in text"}, + {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +#endif + /* This is deliberately last. */ + {OPT_HELP_STR, 1, 1, + "Order of options may be important! See the documentation.\n"}, + {NULL} +}; + +int genpkey_main(int argc, char **argv) +{ + BIO *in = NULL, *out = NULL; + ENGINE *e = NULL; + EVP_PKEY *pkey = NULL; + EVP_PKEY_CTX *ctx = NULL; + char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog; + const EVP_CIPHER *cipher = NULL; + OPTION_CHOICE o; + int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0; + int private = 0; + + prog = opt_init(argc, argv, genpkey_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + ret = 0; + opt_help(genpkey_options); + goto end; + case OPT_OUTFORM: + if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) + goto opthelp; + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_PASS: + passarg = opt_arg(); + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_PARAMFILE: + if (do_param == 1) + goto opthelp; + if (!init_keygen_file(&ctx, opt_arg(), e)) + goto end; + break; + case OPT_ALGORITHM: + if (!init_gen_str(&ctx, opt_arg(), e, do_param)) + goto end; + break; + case OPT_PKEYOPT: + if (ctx == NULL) { + 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; + } + break; + case OPT_GENPARAM: + if (ctx != NULL) + goto opthelp; + do_param = 1; + break; + case OPT_TEXT: + text = 1; + break; + case OPT_CIPHER: + if (!opt_cipher(opt_unknown(), &cipher) + || do_param == 1) + goto opthelp; + } + } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; + + private = do_param ? 0 : 1; + + if (ctx == NULL) + goto opthelp; + + if (!app_passwd(passarg, NULL, &pass, NULL)) { + BIO_puts(bio_err, "Error getting password\n"); + goto end; + } + + out = bio_open_owner(outfile, outformat, private); + if (out == NULL) + goto end; + + EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); + EVP_PKEY_CTX_set_app_data(ctx, bio_err); + + if (do_param) { + if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) { + 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) + rv = PEM_write_bio_Parameters(out, pkey); + else if (outformat == FORMAT_PEM) { + assert(private); + rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass); + } else if (outformat == FORMAT_ASN1) { + assert(private); + rv = i2d_PrivateKey_bio(out, pkey); + } else { + BIO_printf(bio_err, "Bad format specified for key\n"); + goto end; + } + + if (rv <= 0) { + BIO_puts(bio_err, "Error writing key\n"); + ERR_print_errors(bio_err); + } + + if (text) { + if (do_param) + rv = EVP_PKEY_print_params(out, pkey, 0, NULL); + else + rv = EVP_PKEY_print_private(out, pkey, 0, NULL); + + if (rv <= 0) { + BIO_puts(bio_err, "Error printing key\n"); + ERR_print_errors(bio_err); + } + } + + ret = 0; + + end: + EVP_PKEY_free(pkey); + EVP_PKEY_CTX_free(ctx); + BIO_free_all(out); + BIO_free(in); + release_engine(e); + OPENSSL_free(pass); + return ret; +} + +static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e) +{ + BIO *pbio; + EVP_PKEY *pkey = NULL; + EVP_PKEY_CTX *ctx = NULL; + if (*pctx) { + BIO_puts(bio_err, "Parameters already set!\n"); + return 0; + } + + pbio = BIO_new_file(file, "r"); + if (!pbio) { + BIO_printf(bio_err, "Can't open parameter file %s\n", file); + return 0; + } + + pkey = PEM_read_bio_Parameters(pbio, NULL); + BIO_free(pbio); + + if (!pkey) { + BIO_printf(bio_err, "Error reading parameter file %s\n", file); + return 0; + } + + ctx = EVP_PKEY_CTX_new(pkey, e); + if (ctx == NULL) + goto err; + if (EVP_PKEY_keygen_init(ctx) <= 0) + goto err; + EVP_PKEY_free(pkey); + *pctx = ctx; + return 1; + + err: + BIO_puts(bio_err, "Error initializing context\n"); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); + return 0; + +} + +int init_gen_str(EVP_PKEY_CTX **pctx, + const char *algname, ENGINE *e, int do_param) +{ + EVP_PKEY_CTX *ctx = NULL; + const EVP_PKEY_ASN1_METHOD *ameth; + ENGINE *tmpeng = NULL; + int pkey_id; + + if (*pctx) { + BIO_puts(bio_err, "Algorithm already set!\n"); + return 0; + } + + ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); + +#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); + + if (!ctx) + goto err; + if (do_param) { + if (EVP_PKEY_paramgen_init(ctx) <= 0) + goto err; + } else { + if (EVP_PKEY_keygen_init(ctx) <= 0) + goto err; + } + + *pctx = ctx; + return 1; + + err: + BIO_printf(bio_err, "Error initializing %s context\n", algname); + ERR_print_errors(bio_err); + EVP_PKEY_CTX_free(ctx); + return 0; + +} + +static int genpkey_cb(EVP_PKEY_CTX *ctx) +{ + char c = '*'; + BIO *b = EVP_PKEY_CTX_get_app_data(ctx); + int p; + p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); + if (p == 0) + c = '.'; + if (p == 1) + c = '+'; + if (p == 2) + c = '*'; + if (p == 3) + c = '\n'; + BIO_write(b, &c, 1); + (void)BIO_flush(b); + return 1; +} -- cgit v1.2.3