Index: openssl/apps/pkeyutl.c |
=================================================================== |
--- openssl/apps/pkeyutl.c (revision 0) |
+++ openssl/apps/pkeyutl.c (revision 0) |
@@ -0,0 +1,570 @@ |
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
+ * project 2006. |
+ */ |
+/* ==================================================================== |
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions |
+ * are met: |
+ * |
+ * 1. Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * |
+ * 2. Redistributions in binary form must reproduce the above copyright |
+ * notice, this list of conditions and the following disclaimer in |
+ * the documentation and/or other materials provided with the |
+ * distribution. |
+ * |
+ * 3. All advertising materials mentioning features or use of this |
+ * software must display the following acknowledgment: |
+ * "This product includes software developed by the OpenSSL Project |
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
+ * |
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
+ * endorse or promote products derived from this software without |
+ * prior written permission. For written permission, please contact |
+ * licensing@OpenSSL.org. |
+ * |
+ * 5. Products derived from this software may not be called "OpenSSL" |
+ * nor may "OpenSSL" appear in their names without prior written |
+ * permission of the OpenSSL Project. |
+ * |
+ * 6. Redistributions of any form whatsoever must retain the following |
+ * acknowledgment: |
+ * "This product includes software developed by the OpenSSL Project |
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
+ * OF THE POSSIBILITY OF SUCH DAMAGE. |
+ * ==================================================================== |
+ * |
+ * This product includes cryptographic software written by Eric Young |
+ * (eay@cryptsoft.com). This product includes software written by Tim |
+ * Hudson (tjh@cryptsoft.com). |
+ * |
+ */ |
+ |
+ |
+#include "apps.h" |
+#include <string.h> |
+#include <openssl/err.h> |
+#include <openssl/pem.h> |
+#include <openssl/evp.h> |
+ |
+#define KEY_PRIVKEY 1 |
+#define KEY_PUBKEY 2 |
+#define KEY_CERT 3 |
+ |
+static void usage(void); |
+ |
+#undef PROG |
+ |
+#define PROG pkeyutl_main |
+ |
+static EVP_PKEY_CTX *init_ctx(int *pkeysize, |
+ char *keyfile, int keyform, int key_type, |
+ char *passargin, int pkey_op, ENGINE *e); |
+ |
+static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform, |
+ const char *file); |
+ |
+static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
+ unsigned char *out, size_t *poutlen, |
+ unsigned char *in, size_t inlen); |
+ |
+int MAIN(int argc, char **); |
+ |
+int MAIN(int argc, char **argv) |
+{ |
+ BIO *in = NULL, *out = NULL; |
+ char *infile = NULL, *outfile = NULL, *sigfile = NULL; |
+ ENGINE *e = NULL; |
+ int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; |
+ int keyform = FORMAT_PEM, peerform = FORMAT_PEM; |
+ char badarg = 0, rev = 0; |
+ char hexdump = 0, asn1parse = 0; |
+ EVP_PKEY_CTX *ctx = NULL; |
+ char *passargin = NULL; |
+ int keysize = -1; |
+ |
+ unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; |
+ size_t buf_outlen; |
+ int buf_inlen = 0, siglen = -1; |
+ |
+ int ret = 1, rv = -1; |
+ |
+ argc--; |
+ argv++; |
+ |
+ if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); |
+ |
+ if (!load_config(bio_err, NULL)) |
+ goto end; |
+ ERR_load_crypto_strings(); |
+ OpenSSL_add_all_algorithms(); |
+ |
+ while(argc >= 1) |
+ { |
+ if (!strcmp(*argv,"-in")) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else infile= *(++argv); |
+ } |
+ else if (!strcmp(*argv,"-out")) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else outfile= *(++argv); |
+ } |
+ else if (!strcmp(*argv,"-sigfile")) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else sigfile= *(++argv); |
+ } |
+ else if(!strcmp(*argv, "-inkey")) |
+ { |
+ if (--argc < 1) |
+ badarg = 1; |
+ else |
+ { |
+ ctx = init_ctx(&keysize, |
+ *(++argv), keyform, key_type, |
+ passargin, pkey_op, e); |
+ if (!ctx) |
+ { |
+ BIO_puts(bio_err, |
+ "Error initializing context\n"); |
+ ERR_print_errors(bio_err); |
+ badarg = 1; |
+ } |
+ } |
+ } |
+ else if (!strcmp(*argv,"-peerkey")) |
+ { |
+ if (--argc < 1) |
+ badarg = 1; |
+ else if (!setup_peer(bio_err, ctx, peerform, *(++argv))) |
+ badarg = 1; |
+ } |
+ else if (!strcmp(*argv,"-passin")) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else passargin= *(++argv); |
+ } |
+ else if (strcmp(*argv,"-peerform") == 0) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else peerform=str2fmt(*(++argv)); |
+ } |
+ else if (strcmp(*argv,"-keyform") == 0) |
+ { |
+ if (--argc < 1) badarg = 1; |
+ else keyform=str2fmt(*(++argv)); |
+ } |
+#ifndef OPENSSL_NO_ENGINE |
+ else if(!strcmp(*argv, "-engine")) |
+ { |
+ if (--argc < 1) |
+ badarg = 1; |
+ else |
+ e = setup_engine(bio_err, *(++argv), 0); |
+ } |
+#endif |
+ else if(!strcmp(*argv, "-pubin")) |
+ key_type = KEY_PUBKEY; |
+ else if(!strcmp(*argv, "-certin")) |
+ key_type = KEY_CERT; |
+ else if(!strcmp(*argv, "-asn1parse")) |
+ asn1parse = 1; |
+ else if(!strcmp(*argv, "-hexdump")) |
+ hexdump = 1; |
+ else if(!strcmp(*argv, "-sign")) |
+ pkey_op = EVP_PKEY_OP_SIGN; |
+ else if(!strcmp(*argv, "-verify")) |
+ pkey_op = EVP_PKEY_OP_VERIFY; |
+ else if(!strcmp(*argv, "-verifyrecover")) |
+ pkey_op = EVP_PKEY_OP_VERIFYRECOVER; |
+ else if(!strcmp(*argv, "-rev")) |
+ rev = 1; |
+ else if(!strcmp(*argv, "-encrypt")) |
+ pkey_op = EVP_PKEY_OP_ENCRYPT; |
+ else if(!strcmp(*argv, "-decrypt")) |
+ pkey_op = EVP_PKEY_OP_DECRYPT; |
+ else if(!strcmp(*argv, "-derive")) |
+ pkey_op = EVP_PKEY_OP_DERIVE; |
+ else if (strcmp(*argv,"-pkeyopt") == 0) |
+ { |
+ if (--argc < 1) |
+ badarg = 1; |
+ else if (!ctx) |
+ { |
+ BIO_puts(bio_err, |
+ "-pkeyopt command before -inkey\n"); |
+ badarg = 1; |
+ } |
+ else if (pkey_ctrl_string(ctx, *(++argv)) <= 0) |
+ { |
+ BIO_puts(bio_err, "parameter setting error\n"); |
+ ERR_print_errors(bio_err); |
+ goto end; |
+ } |
+ } |
+ else badarg = 1; |
+ if(badarg) |
+ { |
+ usage(); |
+ goto end; |
+ } |
+ argc--; |
+ argv++; |
+ } |
+ |
+ if (!ctx) |
+ { |
+ usage(); |
+ goto end; |
+ } |
+ |
+ if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) |
+ { |
+ BIO_puts(bio_err, "Signature file specified for non verify\n"); |
+ goto end; |
+ } |
+ |
+ if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) |
+ { |
+ BIO_puts(bio_err, "No signature file specified for verify\n"); |
+ goto end; |
+ } |
+ |
+/* FIXME: seed PRNG only if needed */ |
+ app_RAND_load_file(NULL, bio_err, 0); |
+ |
+ if (pkey_op != EVP_PKEY_OP_DERIVE) |
+ { |
+ if(infile) |
+ { |
+ if(!(in = BIO_new_file(infile, "rb"))) |
+ { |
+ BIO_puts(bio_err, |
+ "Error Opening Input File\n"); |
+ ERR_print_errors(bio_err); |
+ goto end; |
+ } |
+ } |
+ else |
+ in = BIO_new_fp(stdin, BIO_NOCLOSE); |
+ } |
+ |
+ if(outfile) |
+ { |
+ if(!(out = BIO_new_file(outfile, "wb"))) |
+ { |
+ BIO_printf(bio_err, "Error Creating Output File\n"); |
+ ERR_print_errors(bio_err); |
+ goto end; |
+ } |
+ } |
+ else |
+ { |
+ out = BIO_new_fp(stdout, BIO_NOCLOSE); |
+#ifdef OPENSSL_SYS_VMS |
+ { |
+ BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
+ out = BIO_push(tmpbio, out); |
+ } |
+#endif |
+ } |
+ |
+ if (sigfile) |
+ { |
+ BIO *sigbio = BIO_new_file(sigfile, "rb"); |
+ if (!sigbio) |
+ { |
+ BIO_printf(bio_err, "Can't open signature file %s\n", |
+ sigfile); |
+ goto end; |
+ } |
+ siglen = bio_to_mem(&sig, keysize * 10, sigbio); |
+ BIO_free(sigbio); |
+ if (siglen <= 0) |
+ { |
+ BIO_printf(bio_err, "Error reading signature data\n"); |
+ goto end; |
+ } |
+ } |
+ |
+ if (in) |
+ { |
+ /* Read the input data */ |
+ buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); |
+ if(buf_inlen <= 0) |
+ { |
+ BIO_printf(bio_err, "Error reading input Data\n"); |
+ exit(1); |
+ } |
+ if(rev) |
+ { |
+ size_t i; |
+ unsigned char ctmp; |
+ size_t l = (size_t)buf_inlen; |
+ for(i = 0; i < l/2; i++) |
+ { |
+ ctmp = buf_in[i]; |
+ buf_in[i] = buf_in[l - 1 - i]; |
+ buf_in[l - 1 - i] = ctmp; |
+ } |
+ } |
+ } |
+ |
+ if(pkey_op == EVP_PKEY_OP_VERIFY) |
+ { |
+ rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, |
+ buf_in, (size_t)buf_inlen); |
+ if (rv == 0) |
+ BIO_puts(out, "Signature Verification Failure\n"); |
+ else if (rv == 1) |
+ BIO_puts(out, "Signature Verified Successfully\n"); |
+ if (rv >= 0) |
+ goto end; |
+ } |
+ else |
+ { |
+ rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, |
+ buf_in, (size_t)buf_inlen); |
+ if (rv > 0) |
+ { |
+ buf_out = OPENSSL_malloc(buf_outlen); |
+ if (!buf_out) |
+ rv = -1; |
+ else |
+ rv = do_keyop(ctx, pkey_op, |
+ buf_out, (size_t *)&buf_outlen, |
+ buf_in, (size_t)buf_inlen); |
+ } |
+ } |
+ |
+ if(rv <= 0) |
+ { |
+ BIO_printf(bio_err, "Public Key operation error\n"); |
+ ERR_print_errors(bio_err); |
+ goto end; |
+ } |
+ ret = 0; |
+ if(asn1parse) |
+ { |
+ if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) |
+ ERR_print_errors(bio_err); |
+ } |
+ else if(hexdump) |
+ BIO_dump(out, (char *)buf_out, buf_outlen); |
+ else |
+ BIO_write(out, buf_out, buf_outlen); |
+ |
+ end: |
+ if (ctx) |
+ EVP_PKEY_CTX_free(ctx); |
+ BIO_free(in); |
+ BIO_free_all(out); |
+ if (buf_in) |
+ OPENSSL_free(buf_in); |
+ if (buf_out) |
+ OPENSSL_free(buf_out); |
+ if (sig) |
+ OPENSSL_free(sig); |
+ return ret; |
+} |
+ |
+static void usage() |
+{ |
+ BIO_printf(bio_err, "Usage: pkeyutl [options]\n"); |
+ BIO_printf(bio_err, "-in file input file\n"); |
+ BIO_printf(bio_err, "-out file output file\n"); |
+ BIO_printf(bio_err, "-sigfile file signature file (verify operation only)\n"); |
+ BIO_printf(bio_err, "-inkey file input key\n"); |
+ BIO_printf(bio_err, "-keyform arg private key format - default PEM\n"); |
+ BIO_printf(bio_err, "-pubin input is a public key\n"); |
+ BIO_printf(bio_err, "-certin input is a certificate carrying a public key\n"); |
+ BIO_printf(bio_err, "-pkeyopt X:Y public key options\n"); |
+ BIO_printf(bio_err, "-sign sign with private key\n"); |
+ BIO_printf(bio_err, "-verify verify with public key\n"); |
+ BIO_printf(bio_err, "-verifyrecover verify with public key, recover original data\n"); |
+ BIO_printf(bio_err, "-encrypt encrypt with public key\n"); |
+ BIO_printf(bio_err, "-decrypt decrypt with private key\n"); |
+ BIO_printf(bio_err, "-derive derive shared secret\n"); |
+ BIO_printf(bio_err, "-hexdump hex dump output\n"); |
+#ifndef OPENSSL_NO_ENGINE |
+ BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); |
+#endif |
+ BIO_printf(bio_err, "-passin arg pass phrase source\n"); |
+ |
+} |
+ |
+static EVP_PKEY_CTX *init_ctx(int *pkeysize, |
+ char *keyfile, int keyform, int key_type, |
+ char *passargin, int pkey_op, ENGINE *e) |
+ { |
+ EVP_PKEY *pkey = NULL; |
+ EVP_PKEY_CTX *ctx = NULL; |
+ char *passin = NULL; |
+ int rv = -1; |
+ X509 *x; |
+ if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) |
+ || (pkey_op == EVP_PKEY_OP_DERIVE)) |
+ && (key_type != KEY_PRIVKEY)) |
+ { |
+ BIO_printf(bio_err, "A private key is needed for this operation\n"); |
+ goto end; |
+ } |
+ if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
+ { |
+ BIO_printf(bio_err, "Error getting password\n"); |
+ goto end; |
+ } |
+ switch(key_type) |
+ { |
+ case KEY_PRIVKEY: |
+ pkey = load_key(bio_err, keyfile, keyform, 0, |
+ passin, e, "Private Key"); |
+ break; |
+ |
+ case KEY_PUBKEY: |
+ pkey = load_pubkey(bio_err, keyfile, keyform, 0, |
+ NULL, e, "Public Key"); |
+ break; |
+ |
+ case KEY_CERT: |
+ x = load_cert(bio_err, keyfile, keyform, |
+ NULL, e, "Certificate"); |
+ if(x) |
+ { |
+ pkey = X509_get_pubkey(x); |
+ X509_free(x); |
+ } |
+ break; |
+ |
+ } |
+ |
+ *pkeysize = EVP_PKEY_size(pkey); |
+ |
+ if (!pkey) |
+ goto end; |
+ |
+ ctx = EVP_PKEY_CTX_new(pkey, e); |
+ |
+ EVP_PKEY_free(pkey); |
+ |
+ if (!ctx) |
+ goto end; |
+ |
+ switch(pkey_op) |
+ { |
+ case EVP_PKEY_OP_SIGN: |
+ rv = EVP_PKEY_sign_init(ctx); |
+ break; |
+ |
+ case EVP_PKEY_OP_VERIFY: |
+ rv = EVP_PKEY_verify_init(ctx); |
+ break; |
+ |
+ case EVP_PKEY_OP_VERIFYRECOVER: |
+ rv = EVP_PKEY_verify_recover_init(ctx); |
+ break; |
+ |
+ case EVP_PKEY_OP_ENCRYPT: |
+ rv = EVP_PKEY_encrypt_init(ctx); |
+ break; |
+ |
+ case EVP_PKEY_OP_DECRYPT: |
+ rv = EVP_PKEY_decrypt_init(ctx); |
+ break; |
+ |
+ case EVP_PKEY_OP_DERIVE: |
+ rv = EVP_PKEY_derive_init(ctx); |
+ break; |
+ } |
+ |
+ if (rv <= 0) |
+ { |
+ EVP_PKEY_CTX_free(ctx); |
+ ctx = NULL; |
+ } |
+ |
+ end: |
+ |
+ if (passin) |
+ OPENSSL_free(passin); |
+ |
+ return ctx; |
+ |
+ |
+ } |
+ |
+static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform, |
+ const char *file) |
+ { |
+ EVP_PKEY *peer = NULL; |
+ int ret; |
+ if (!ctx) |
+ { |
+ BIO_puts(err, "-peerkey command before -inkey\n"); |
+ return 0; |
+ } |
+ |
+ peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key"); |
+ |
+ if (!peer) |
+ { |
+ BIO_printf(bio_err, "Error reading peer key %s\n", file); |
+ ERR_print_errors(err); |
+ return 0; |
+ } |
+ |
+ ret = EVP_PKEY_derive_set_peer(ctx, peer); |
+ |
+ EVP_PKEY_free(peer); |
+ if (ret <= 0) |
+ ERR_print_errors(err); |
+ return ret; |
+ } |
+ |
+static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
+ unsigned char *out, size_t *poutlen, |
+ unsigned char *in, size_t inlen) |
+ { |
+ int rv = 0; |
+ switch(pkey_op) |
+ { |
+ case EVP_PKEY_OP_VERIFYRECOVER: |
+ rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); |
+ break; |
+ |
+ case EVP_PKEY_OP_SIGN: |
+ rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); |
+ break; |
+ |
+ case EVP_PKEY_OP_ENCRYPT: |
+ rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); |
+ break; |
+ |
+ case EVP_PKEY_OP_DECRYPT: |
+ rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); |
+ break; |
+ |
+ case EVP_PKEY_OP_DERIVE: |
+ rv = EVP_PKEY_derive(ctx, out, poutlen); |
+ break; |
+ |
+ } |
+ return rv; |
+ } |