/*
- * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* 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
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/bn.h>
+#include <openssl/encoder.h>
+#include <openssl/core_names.h>
+#include <openssl/core_dispatch.h>
+
+#ifndef OPENSSL_NO_RC4
+# define DEFAULT_PVK_ENCR_STRENGTH 2
+#else
+# define DEFAULT_PVK_ENCR_STRENGTH 0
+#endif
typedef enum OPTION_choice {
- OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_COMMON,
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENGINE,
/* Do not change the order here; see case statements below */
OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
int dsa_main(int argc, char **argv)
{
BIO *out = NULL;
- DSA *dsa = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
- const EVP_CIPHER *enc = NULL;
+ EVP_CIPHER *enc = NULL;
char *infile = NULL, *outfile = NULL, *prog;
char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
OPTION_CHOICE o;
- int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
- int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
-#ifndef OPENSSL_NO_RC4
- int pvk_encr = 2;
-#endif
+ int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0;
+ int modulus = 0, pubin = 0, pubout = 0, ret = 1;
+ int pvk_encr = DEFAULT_PVK_ENCR_STRENGTH;
int private = 0;
+ const char *output_type = NULL, *ciphername = NULL;
+ const char *output_structure = NULL;
+ int selection = 0;
+ OSSL_ENCODER_CTX *ectx = NULL;
prog = opt_init(argc, argv, dsa_options);
while ((o = opt_next()) != OPT_EOF) {
pubout = 1;
break;
case OPT_CIPHER:
- if (!opt_cipher(opt_unknown(), &enc))
- goto end;
+ ciphername = opt_unknown();
break;
case OPT_PROV_CASES:
if (!opt_provider(o))
if (argc != 0)
goto opthelp;
+ if (ciphername != NULL) {
+ if (!opt_cipher(ciphername, &enc))
+ goto end;
+ }
private = pubin || pubout ? 0 : 1;
if (text && !pubin)
private = 1;
else
pkey = load_key(infile, informat, 1, passin, e, "private key");
- if (pkey != NULL)
- dsa = EVP_PKEY_get1_DSA(pkey);
-
- if (dsa == NULL) {
+ if (pkey == NULL) {
BIO_printf(bio_err, "unable to load Key\n");
ERR_print_errors(bio_err);
goto end;
}
+ if (!EVP_PKEY_is_a(pkey, "DSA")) {
+ BIO_printf(bio_err, "Not a DSA key\n");
+ goto end;
+ }
out = bio_open_owner(outfile, outformat, private);
if (out == NULL)
}
if (modulus) {
- const BIGNUM *pub_key = NULL;
- DSA_get0_key(dsa, &pub_key, NULL);
+ BIGNUM *pub_key = NULL;
+
+ if (!EVP_PKEY_get_bn_param(pkey, "pub", &pub_key)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
BIO_printf(out, "Public Key=");
BN_print(out, pub_key);
BIO_printf(out, "\n");
+ BN_free(pub_key);
}
if (noout) {
}
BIO_printf(bio_err, "writing DSA key\n");
if (outformat == FORMAT_ASN1) {
- if (pubin || pubout) {
- i = i2d_DSA_PUBKEY_bio(out, dsa);
- } else {
- assert(private);
- i = i2d_DSAPrivateKey_bio(out, dsa);
- }
+ output_type = "DER";
} else if (outformat == FORMAT_PEM) {
- if (pubin || pubout) {
- i = PEM_write_bio_DSA_PUBKEY(out, dsa);
- } else {
- assert(private);
- i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
- NULL, 0, NULL, passout);
- }
-#ifndef OPENSSL_NO_RSA
- } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
- EVP_PKEY *pk;
- pk = EVP_PKEY_new();
- if (pk == NULL)
- goto end;
-
- EVP_PKEY_set1_DSA(pk, dsa);
- if (outformat == FORMAT_PVK) {
- if (pubin) {
- BIO_printf(bio_err, "PVK form impossible with public key input\n");
- EVP_PKEY_free(pk);
- goto end;
- }
- assert(private);
-# ifdef OPENSSL_NO_RC4
- BIO_printf(bio_err, "PVK format not supported\n");
- EVP_PKEY_free(pk);
+ output_type = "PEM";
+ } else if (outformat == FORMAT_MSBLOB) {
+ output_type = "MSBLOB";
+ } else if (outformat == FORMAT_PVK) {
+ if (pubin) {
+ BIO_printf(bio_err, "PVK form impossible with public key input\n");
goto end;
-# else
- i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
-# endif
- } else if (pubin || pubout) {
- i = i2b_PublicKey_bio(out, pk);
- } else {
- assert(private);
- i = i2b_PrivateKey_bio(out, pk);
}
- EVP_PKEY_free(pk);
-#endif
+ output_type = "PVK";
} else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
- if (i <= 0) {
- BIO_printf(bio_err, "unable to write private key\n");
- ERR_print_errors(bio_err);
+
+ if (outformat == FORMAT_ASN1 || outformat == FORMAT_PEM) {
+ if (pubout || pubin)
+ output_structure = "SubjectPublicKeyInfo";
+ else
+ output_structure = "type-specific";
+ }
+
+ /* Select what you want in the output */
+ if (pubout || pubin) {
+ selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
+ } else {
+ assert(private);
+ selection = (OSSL_KEYMGMT_SELECT_KEYPAIR
+ | OSSL_KEYMGMT_SELECT_ALL_PARAMETERS);
+ }
+
+ /* Perform the encoding */
+ ectx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, output_type,
+ output_structure, NULL);
+ if (OSSL_ENCODER_CTX_get_num_encoders(ectx) == 0) {
+ BIO_printf(bio_err, "%s format not supported\n", output_type);
+ goto end;
+ }
+
+ /* Passphrase setup */
+ if (enc != NULL)
+ OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL);
+
+ /* Default passphrase prompter */
+ if (enc != NULL || outformat == FORMAT_PVK) {
+ 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));
+ }
+
+ /* PVK requires a bit more */
+ if (outformat == FORMAT_PVK) {
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_int("encrypt-level", &pvk_encr);
+ if (!OSSL_ENCODER_CTX_set_params(ectx, params)) {
+ BIO_printf(bio_err, "invalid PVK encryption level\n");
+ goto end;
+ }
+ }
+
+ if (!OSSL_ENCODER_to_bio(ectx, out)) {
+ BIO_printf(bio_err, "unable to write key\n");
goto end;
}
ret = 0;
end:
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ OSSL_ENCODER_CTX_free(ectx);
BIO_free_all(out);
EVP_PKEY_free(pkey);
- DSA_free(dsa);
+ EVP_CIPHER_free(enc);
release_engine(e);
OPENSSL_free(passin);
OPENSSL_free(passout);
projects / openssl.git / blobdiff