X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=apps%2Fpkeyutl.c;h=aaa90740ad4dc66010a06043eb622284126588dc;hb=a283d2a80adfaa88573bcd9acd3d8d7ab55c1af4;hp=7eb3f5c544ddd0a3c0b59ee8c7be54559376c70c;hpb=838ea7f8247ec3914b2b8edf944961fed89e2870;p=openssl.git

diff --git a/apps/pkeyutl.c b/apps/pkeyutl.c
index 7eb3f5c544..aaa90740ad 100644
--- a/apps/pkeyutl.c
+++ b/apps/pkeyutl.c
@@ -1,5 +1,6 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
  */
 /* ====================================================================
  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
@@ -9,7 +10,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    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
@@ -55,16 +56,15 @@
  *
  */
 
-
 #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
+#define KEY_PRIVKEY     1
+#define KEY_PUBKEY      2
+#define KEY_CERT        3
 
 static void usage(void);
 
@@ -73,498 +73,451 @@ static void usage(void);
 #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);
+                              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);
+                      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);
+                    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));
-			}
+    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);
-			}
+        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;
-		}
+        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);
+    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);
-		}
+        {
+            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;
+    }
+
+    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");
+    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");
+    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");
+    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;
-
-
-	}
+                              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;
-	}
+                      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;
-	}
+                    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;
+}