diff options
Diffstat (limited to 'apps/ec.c')
-rw-r--r-- | apps/ec.c | 266 |
1 files changed, 141 insertions, 125 deletions
diff --git a/apps/ec.c b/apps/ec.c index 0c8ed750cc17..e2dd6f2b48f3 100644 --- a/apps/ec.c +++ b/apps/ec.c @@ -1,84 +1,84 @@ /* - * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2002-2022 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 * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ -#include <openssl/opensslconf.h> -#include <stdio.h> -#include <stdlib.h> #include <string.h> -#include "apps.h" -#include "progs.h" -#include <openssl/bio.h> -#include <openssl/err.h> +#include <openssl/opensslconf.h> #include <openssl/evp.h> -#include <openssl/pem.h> - -static OPT_PAIR conv_forms[] = { - {"compressed", POINT_CONVERSION_COMPRESSED}, - {"uncompressed", POINT_CONVERSION_UNCOMPRESSED}, - {"hybrid", POINT_CONVERSION_HYBRID}, - {NULL} -}; +#include <openssl/encoder.h> +#include <openssl/decoder.h> +#include <openssl/core_names.h> +#include <openssl/core_dispatch.h> +#include <openssl/params.h> +#include <openssl/err.h> -static OPT_PAIR param_enc[] = { - {"named_curve", OPENSSL_EC_NAMED_CURVE}, - {"explicit", 0}, - {NULL} -}; +#include "apps.h" +#include "progs.h" +#include "ec_common.h" typedef enum OPTION_choice { - OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_COMMON, OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER, - OPT_NO_PUBLIC, OPT_CHECK + OPT_NO_PUBLIC, OPT_CHECK, OPT_PROV_ENUM } OPTION_CHOICE; const OPTIONS ec_options[] = { + OPT_SECTION("General"), {"help", OPT_HELP, '-', "Display this summary"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +#endif + + OPT_SECTION("Input"), {"in", OPT_IN, 's', "Input file"}, - {"inform", OPT_INFORM, 'f', "Input format - DER or PEM"}, + {"inform", OPT_INFORM, 'f', "Input format (DER/PEM/P12/ENGINE)"}, + {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, + {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, + {"check", OPT_CHECK, '-', "check key consistency"}, + {"", OPT_CIPHER, '-', "Any supported cipher"}, + {"param_enc", OPT_PARAM_ENC, 's', + "Specifies the way the ec parameters are encoded"}, + {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "}, + + OPT_SECTION("Output"), {"out", OPT_OUT, '>', "Output file"}, {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, {"noout", OPT_NOOUT, '-', "Don't print key out"}, {"text", OPT_TEXT, '-', "Print the key"}, {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"}, - {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, {"pubout", OPT_PUBOUT, '-', "Output public key, not private"}, {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"}, - {"check", OPT_CHECK, '-', "check key consistency"}, - {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, - {"param_enc", OPT_PARAM_ENC, 's', - "Specifies the way the ec parameters are encoded"}, - {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "}, - {"", OPT_CIPHER, '-', "Any supported cipher"}, -#ifndef OPENSSL_NO_ENGINE - {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, -#endif + + OPT_PROV_OPTIONS, {NULL} }; int ec_main(int argc, char **argv) { - BIO *in = NULL, *out = NULL; + OSSL_ENCODER_CTX *ectx = NULL; + OSSL_DECODER_CTX *dctx = NULL; + EVP_PKEY_CTX *pctx = NULL; + EVP_PKEY *eckey = NULL; + BIO *out = NULL; ENGINE *e = NULL; - EC_KEY *eckey = NULL; - const EC_GROUP *group; - const EVP_CIPHER *enc = NULL; - point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED; - char *infile = NULL, *outfile = NULL, *prog; + EVP_CIPHER *enc = NULL; + char *infile = NULL, *outfile = NULL, *ciphername = NULL, *prog; char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; OPTION_CHOICE o; - int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0; - int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; - int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0; - int no_public = 0, check = 0; + int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0; + int pubin = 0, pubout = 0, param_out = 0, ret = 1, private = 0; + int check = 0; + char *asn1_encoding = NULL; + char *point_format = NULL; + int no_public = 0; prog = opt_init(argc, argv, ec_options); while ((o = opt_next()) != OPT_EOF) { @@ -131,20 +131,17 @@ int ec_main(int argc, char **argv) e = setup_engine(opt_arg(), 0); break; case OPT_CIPHER: - if (!opt_cipher(opt_unknown(), &enc)) - goto opthelp; + ciphername = opt_unknown(); break; case OPT_CONV_FORM: - if (!opt_pair(opt_arg(), conv_forms, &i)) + point_format = opt_arg(); + if (!opt_string(point_format, point_format_options)) goto opthelp; - new_form = 1; - form = i; break; case OPT_PARAM_ENC: - if (!opt_pair(opt_arg(), param_enc, &i)) + asn1_encoding = opt_arg(); + if (!opt_string(asn1_encoding, asn1_encoding_options)) goto opthelp; - new_asn1_flag = 1; - asn1_flag = i; break; case OPT_NO_PUBLIC: no_public = 1; @@ -152,12 +149,22 @@ int ec_main(int argc, char **argv) case OPT_CHECK: check = 1; break; + case OPT_PROV_CASES: + if (!opt_provider(o)) + goto end; + break; } } + + /* No extra arguments. */ argc = opt_num_rest(); if (argc != 0) goto opthelp; + if (ciphername != NULL) { + if (!opt_cipher(ciphername, &enc)) + goto opthelp; + } private = param_out || pubin || pubout ? 0 : 1; if (text && !pubin) private = 1; @@ -167,37 +174,15 @@ int ec_main(int argc, char **argv) goto end; } - if (informat != FORMAT_ENGINE) { - in = bio_open_default(infile, 'r', informat); - if (in == NULL) - goto end; - } - BIO_printf(bio_err, "read EC key\n"); - if (informat == FORMAT_ASN1) { - if (pubin) - eckey = d2i_EC_PUBKEY_bio(in, NULL); - else - eckey = d2i_ECPrivateKey_bio(in, NULL); - } else if (informat == FORMAT_ENGINE) { - EVP_PKEY *pkey; - if (pubin) - pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); - else - pkey = load_key(infile, informat, 1, passin, e, "Private Key"); - if (pkey != NULL) { - eckey = EVP_PKEY_get1_EC_KEY(pkey); - EVP_PKEY_free(pkey); - } - } else { - if (pubin) - eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL); - else - eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin); - } + + if (pubin) + eckey = load_pubkey(infile, informat, 1, passin, e, "public key"); + else + eckey = load_key(infile, informat, 1, passin, e, "private key"); + if (eckey == NULL) { BIO_printf(bio_err, "unable to load Key\n"); - ERR_print_errors(bio_err); goto end; } @@ -205,74 +190,105 @@ int ec_main(int argc, char **argv) if (out == NULL) goto end; - group = EC_KEY_get0_group(eckey); - - if (new_form) - EC_KEY_set_conv_form(eckey, form); + if (point_format + && !EVP_PKEY_set_utf8_string_param( + eckey, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, + point_format)) { + BIO_printf(bio_err, "unable to set point conversion format\n"); + goto end; + } - if (new_asn1_flag) - EC_KEY_set_asn1_flag(eckey, asn1_flag); + if (asn1_encoding != NULL + && !EVP_PKEY_set_utf8_string_param( + eckey, OSSL_PKEY_PARAM_EC_ENCODING, asn1_encoding)) { + BIO_printf(bio_err, "unable to set asn1 encoding format\n"); + goto end; + } - if (no_public) - EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY); + if (no_public) { + if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 0)) { + BIO_printf(bio_err, "unable to disable public key encoding\n"); + goto end; + } + } else { + if (!EVP_PKEY_set_int_param(eckey, OSSL_PKEY_PARAM_EC_INCLUDE_PUBLIC, 1)) { + BIO_printf(bio_err, "unable to enable public key encoding\n"); + goto end; + } + } if (text) { assert(pubin || private); - if (!EC_KEY_print(out, eckey, 0)) { - perror(outfile); - ERR_print_errors(bio_err); + if ((pubin && EVP_PKEY_print_public(out, eckey, 0, NULL) <= 0) + || (!pubin && EVP_PKEY_print_private(out, eckey, 0, NULL) <= 0)) { + BIO_printf(bio_err, "unable to print EC key\n"); goto end; } } if (check) { - if (EC_KEY_check_key(eckey) == 1) { - BIO_printf(bio_err, "EC Key valid.\n"); - } else { - BIO_printf(bio_err, "EC Key Invalid!\n"); - ERR_print_errors(bio_err); + pctx = EVP_PKEY_CTX_new_from_pkey(NULL, eckey, NULL); + if (pctx == NULL) { + BIO_printf(bio_err, "unable to check EC key\n"); + goto end; } + if (EVP_PKEY_check(pctx) <= 0) + BIO_printf(bio_err, "EC Key Invalid!\n"); + else + BIO_printf(bio_err, "EC Key valid.\n"); + ERR_print_errors(bio_err); } - if (noout) { - ret = 0; - goto end; - } + if (!noout) { + int selection; + const char *output_type = outformat == FORMAT_ASN1 ? "DER" : "PEM"; + const char *output_structure = "type-specific"; - BIO_printf(bio_err, "writing EC key\n"); - if (outformat == FORMAT_ASN1) { + BIO_printf(bio_err, "writing EC key\n"); if (param_out) { - i = i2d_ECPKParameters_bio(out, group); + selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS; } else if (pubin || pubout) { - i = i2d_EC_PUBKEY_bio(out, eckey); + selection = OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS + | OSSL_KEYMGMT_SELECT_PUBLIC_KEY; + output_structure = "SubjectPublicKeyInfo"; } else { + selection = OSSL_KEYMGMT_SELECT_ALL; assert(private); - i = i2d_ECPrivateKey_bio(out, eckey); } - } else { - if (param_out) { - i = PEM_write_bio_ECPKParameters(out, group); - } else if (pubin || pubout) { - i = PEM_write_bio_EC_PUBKEY(out, eckey); - } else { - assert(private); - i = PEM_write_bio_ECPrivateKey(out, eckey, enc, - NULL, 0, NULL, passout); + + ectx = OSSL_ENCODER_CTX_new_for_pkey(eckey, selection, + output_type, output_structure, + NULL); + if (enc != NULL) { + OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL); + /* Default passphrase prompter */ + OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL); + if (passout != NULL) + /* When passout given, override the passphrase prompter */ + OSSL_ENCODER_CTX_set_passphrase(ectx, + (const unsigned char *)passout, + strlen(passout)); + } + if (!OSSL_ENCODER_to_bio(ectx, out)) { + BIO_printf(bio_err, "unable to write EC key\n"); + goto end; } } - if (!i) { - BIO_printf(bio_err, "unable to write private key\n"); + ret = 0; +end: + if (ret != 0) ERR_print_errors(bio_err); - } else { - ret = 0; - } - end: - BIO_free(in); BIO_free_all(out); - EC_KEY_free(eckey); + EVP_PKEY_free(eckey); + EVP_CIPHER_free(enc); + OSSL_ENCODER_CTX_free(ectx); + OSSL_DECODER_CTX_free(dctx); + EVP_PKEY_CTX_free(pctx); release_engine(e); - OPENSSL_free(passin); - OPENSSL_free(passout); + if (passin != NULL) + OPENSSL_clear_free(passin, strlen(passin)); + if (passout != NULL) + OPENSSL_clear_free(passout, strlen(passout)); return ret; } |