diff options
Diffstat (limited to 'openssl-1.1.0h/apps/rsautl.c')
| -rw-r--r-- | openssl-1.1.0h/apps/rsautl.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/openssl-1.1.0h/apps/rsautl.c b/openssl-1.1.0h/apps/rsautl.c new file mode 100644 index 0000000..d527bf4 --- /dev/null +++ b/openssl-1.1.0h/apps/rsautl.c @@ -0,0 +1,278 @@ +/* + * Copyright 2000-2016 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 <openssl/opensslconf.h> +#ifdef OPENSSL_NO_RSA +NON_EMPTY_TRANSLATION_UNIT +#else + +# include "apps.h" +# include <string.h> +# include <openssl/err.h> +# include <openssl/pem.h> +# include <openssl/rsa.h> + +# define RSA_SIGN 1 +# define RSA_VERIFY 2 +# define RSA_ENCRYPT 3 +# define RSA_DECRYPT 4 + +# define KEY_PRIVKEY 1 +# define KEY_PUBKEY 2 +# define KEY_CERT 3 + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP, + OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931, + OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, + OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM +} OPTION_CHOICE; + +OPTIONS rsautl_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"in", OPT_IN, '<', "Input file"}, + {"out", OPT_OUT, '>', "Output file"}, + {"inkey", OPT_INKEY, 's', "Input key"}, + {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, + {"pubin", OPT_PUBIN, '-', "Input is an RSA public"}, + {"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"}, + {"ssl", OPT_SSL, '-', "Use SSL v2 padding"}, + {"raw", OPT_RAW, '-', "Use no padding"}, + {"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"}, + {"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"}, + {"sign", OPT_SIGN, '-', "Sign with private key"}, + {"verify", OPT_VERIFY, '-', "Verify with public key"}, + {"asn1parse", OPT_ASN1PARSE, '-', + "Run output through asn1parse; useful with -verify"}, + {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, + {"x931", OPT_X931, '-', "Use ANSI X9.31 padding"}, + {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, + {"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"}, + {"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"}, + {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, +# ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, +# endif + {NULL} +}; + +int rsautl_main(int argc, char **argv) +{ + BIO *in = NULL, *out = NULL; + ENGINE *e = NULL; + EVP_PKEY *pkey = NULL; + RSA *rsa = NULL; + X509 *x; + char *infile = NULL, *outfile = NULL, *keyfile = NULL; + char *passinarg = NULL, *passin = NULL, *prog; + char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY; + unsigned char *rsa_in = NULL, *rsa_out = NULL, pad = RSA_PKCS1_PADDING; + int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1; + int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0; + OPTION_CHOICE o; + + prog = opt_init(argc, argv, rsautl_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: + opt_help(rsautl_options); + ret = 0; + goto end; + case OPT_KEYFORM: + if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat)) + goto opthelp; + break; + case OPT_IN: + infile = opt_arg(); + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_ASN1PARSE: + asn1parse = 1; + break; + case OPT_HEXDUMP: + hexdump = 1; + break; + case OPT_RAW: + pad = RSA_NO_PADDING; + break; + case OPT_OAEP: + pad = RSA_PKCS1_OAEP_PADDING; + break; + case OPT_SSL: + pad = RSA_SSLV23_PADDING; + break; + case OPT_PKCS: + pad = RSA_PKCS1_PADDING; + break; + case OPT_X931: + pad = RSA_X931_PADDING; + break; + case OPT_SIGN: + rsa_mode = RSA_SIGN; + need_priv = 1; + break; + case OPT_VERIFY: + rsa_mode = RSA_VERIFY; + break; + case OPT_REV: + rev = 1; + break; + case OPT_ENCRYPT: + rsa_mode = RSA_ENCRYPT; + break; + case OPT_DECRYPT: + rsa_mode = RSA_DECRYPT; + need_priv = 1; + break; + case OPT_PUBIN: + key_type = KEY_PUBKEY; + break; + case OPT_CERTIN: + key_type = KEY_CERT; + break; + case OPT_INKEY: + keyfile = opt_arg(); + break; + case OPT_PASSIN: + passinarg = opt_arg(); + break; + } + } + argc = opt_num_rest(); + if (argc != 0) + goto opthelp; + + if (need_priv && (key_type != KEY_PRIVKEY)) { + BIO_printf(bio_err, "A private key is needed for this operation\n"); + goto end; + } + + if (!app_passwd(passinarg, NULL, &passin, NULL)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + +/* FIXME: seed PRNG only if needed */ + app_RAND_load_file(NULL, 0); + + switch (key_type) { + case KEY_PRIVKEY: + pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key"); + break; + + case KEY_PUBKEY: + pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key"); + break; + + case KEY_CERT: + x = load_cert(keyfile, keyformat, "Certificate"); + if (x) { + pkey = X509_get_pubkey(x); + X509_free(x); + } + break; + } + + if (!pkey) { + return 1; + } + + rsa = EVP_PKEY_get1_RSA(pkey); + EVP_PKEY_free(pkey); + + if (!rsa) { + BIO_printf(bio_err, "Error getting RSA key\n"); + ERR_print_errors(bio_err); + goto end; + } + + in = bio_open_default(infile, 'r', FORMAT_BINARY); + if (in == NULL) + goto end; + out = bio_open_default(outfile, 'w', FORMAT_BINARY); + if (out == NULL) + goto end; + + keysize = RSA_size(rsa); + + rsa_in = app_malloc(keysize * 2, "hold rsa key"); + rsa_out = app_malloc(keysize, "output rsa key"); + + /* Read the input data */ + rsa_inlen = BIO_read(in, rsa_in, keysize * 2); + if (rsa_inlen < 0) { + BIO_printf(bio_err, "Error reading input Data\n"); + goto end; + } + if (rev) { + int i; + unsigned char ctmp; + for (i = 0; i < rsa_inlen / 2; i++) { + ctmp = rsa_in[i]; + rsa_in[i] = rsa_in[rsa_inlen - 1 - i]; + rsa_in[rsa_inlen - 1 - i] = ctmp; + } + } + switch (rsa_mode) { + + case RSA_VERIFY: + rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); + break; + + case RSA_SIGN: + rsa_outlen = + RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); + break; + + case RSA_ENCRYPT: + rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); + break; + + case RSA_DECRYPT: + rsa_outlen = + RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); + break; + } + + if (rsa_outlen < 0) { + BIO_printf(bio_err, "RSA operation error\n"); + ERR_print_errors(bio_err); + goto end; + } + ret = 0; + if (asn1parse) { + if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) { + ERR_print_errors(bio_err); + } + } else if (hexdump) + BIO_dump(out, (char *)rsa_out, rsa_outlen); + else + BIO_write(out, rsa_out, rsa_outlen); + end: + RSA_free(rsa); + release_engine(e); + BIO_free(in); + BIO_free_all(out); + OPENSSL_free(rsa_in); + OPENSSL_free(rsa_out); + OPENSSL_free(passin); + return ret; +} +#endif |