diff options
Diffstat (limited to 'openssl-1.1.0h/apps/dgst.c')
| -rw-r--r-- | openssl-1.1.0h/apps/dgst.c | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/openssl-1.1.0h/apps/dgst.c b/openssl-1.1.0h/apps/dgst.c new file mode 100644 index 0000000..08182e2 --- /dev/null +++ b/openssl-1.1.0h/apps/dgst.c @@ -0,0 +1,480 @@ +/* + * Copyright 1995-2016 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 <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "apps.h" +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/hmac.h> + +#undef BUFSIZE +#define BUFSIZE 1024*8 + +int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, + EVP_PKEY *key, unsigned char *sigin, int siglen, + const char *sig_name, const char *md_name, + const char *file); + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_C, OPT_R, OPT_RAND, OPT_OUT, OPT_SIGN, OPT_PASSIN, OPT_VERIFY, + OPT_PRVERIFY, OPT_SIGNATURE, OPT_KEYFORM, OPT_ENGINE, OPT_ENGINE_IMPL, + OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT, + OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT, + OPT_DIGEST +} OPTION_CHOICE; + +OPTIONS dgst_options[] = { + {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"}, + {OPT_HELP_STR, 1, '-', + " file... files to digest (default is stdin)\n"}, + {"help", OPT_HELP, '-', "Display this summary"}, + {"c", OPT_C, '-', "Print the digest with separating colons"}, + {"r", OPT_R, '-', "Print the digest in coreutils format"}, + {"rand", OPT_RAND, 's', + "Use file(s) containing random data to seed RNG or an EGD sock"}, + {"out", OPT_OUT, '>', "Output to filename rather than stdout"}, + {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, + {"sign", OPT_SIGN, 's', "Sign digest using private key"}, + {"verify", OPT_VERIFY, 's', + "Verify a signature using public key"}, + {"prverify", OPT_PRVERIFY, 's', + "Verify a signature using private key"}, + {"signature", OPT_SIGNATURE, '<', "File with signature to verify"}, + {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"}, + {"hex", OPT_HEX, '-', "Print as hex dump"}, + {"binary", OPT_BINARY, '-', "Print in binary form"}, + {"d", OPT_DEBUG, '-', "Print debug info"}, + {"debug", OPT_DEBUG, '-', "Print debug info"}, + {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-', + "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"}, + {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"}, + {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"}, + {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"}, + {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"}, + {"", OPT_DIGEST, '-', "Any supported digest"}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, + {"engine_impl", OPT_ENGINE_IMPL, '-', + "Also use engine given by -engine for digest operations"}, +#endif + {NULL} +}; + +int dgst_main(int argc, char **argv) +{ + BIO *in = NULL, *inp, *bmd = NULL, *out = NULL; + ENGINE *e = NULL, *impl = NULL; + EVP_PKEY *sigkey = NULL; + STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL; + char *hmac_key = NULL; + char *mac_name = NULL; + char *passinarg = NULL, *passin = NULL; + const EVP_MD *md = NULL, *m; + const char *outfile = NULL, *keyfile = NULL, *prog = NULL; + const char *sigfile = NULL, *randfile = NULL; + OPTION_CHOICE o; + int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0; + int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0; + unsigned char *buf = NULL, *sigbuf = NULL; + int engine_impl = 0; + + prog = opt_progname(argv[0]); + buf = app_malloc(BUFSIZE, "I/O buffer"); + md = EVP_get_digestbyname(prog); + + prog = opt_init(argc, argv, dgst_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(dgst_options); + ret = 0; + goto end; + case OPT_C: + separator = 1; + break; + case OPT_R: + separator = 2; + break; + case OPT_RAND: + randfile = opt_arg(); + break; + case OPT_OUT: + outfile = opt_arg(); + break; + case OPT_SIGN: + keyfile = opt_arg(); + break; + case OPT_PASSIN: + passinarg = opt_arg(); + break; + case OPT_VERIFY: + keyfile = opt_arg(); + want_pub = do_verify = 1; + break; + case OPT_PRVERIFY: + keyfile = opt_arg(); + do_verify = 1; + break; + case OPT_SIGNATURE: + sigfile = opt_arg(); + break; + case OPT_KEYFORM: + if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) + goto opthelp; + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_ENGINE_IMPL: + engine_impl = 1; + break; + case OPT_HEX: + out_bin = 0; + break; + case OPT_BINARY: + out_bin = 1; + break; + case OPT_DEBUG: + debug = 1; + break; + case OPT_FIPS_FINGERPRINT: + hmac_key = "etaonrishdlcupfm"; + break; + case OPT_HMAC: + hmac_key = opt_arg(); + break; + case OPT_MAC: + mac_name = opt_arg(); + break; + case OPT_SIGOPT: + if (!sigopts) + sigopts = sk_OPENSSL_STRING_new_null(); + if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) + goto opthelp; + break; + case OPT_MACOPT: + if (!macopts) + macopts = sk_OPENSSL_STRING_new_null(); + if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg())) + goto opthelp; + break; + case OPT_DIGEST: + if (!opt_md(opt_unknown(), &m)) + goto opthelp; + md = m; + break; + } + } + argc = opt_num_rest(); + argv = opt_rest(); + if (keyfile != NULL && argc > 1) { + BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog); + goto end; + } + + if (do_verify && !sigfile) { + BIO_printf(bio_err, + "No signature to verify: use the -signature option\n"); + goto end; + } + if (engine_impl) + impl = e; + + in = BIO_new(BIO_s_file()); + bmd = BIO_new(BIO_f_md()); + if ((in == NULL) || (bmd == NULL)) { + ERR_print_errors(bio_err); + goto end; + } + + if (debug) { + BIO_set_callback(in, BIO_debug_callback); + /* needed for windows 3.1 */ + BIO_set_callback_arg(in, (char *)bio_err); + } + + if (!app_passwd(passinarg, NULL, &passin, NULL)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + + if (out_bin == -1) { + if (keyfile) + out_bin = 1; + else + out_bin = 0; + } + + if (randfile) + app_RAND_load_file(randfile, 0); + + out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT); + if (out == NULL) + goto end; + + if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) { + BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); + goto end; + } + + if (keyfile) { + if (want_pub) + sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file"); + else + sigkey = load_key(keyfile, keyform, 0, passin, e, "key file"); + if (!sigkey) { + /* + * load_[pub]key() has already printed an appropriate message + */ + goto end; + } + } + + if (mac_name) { + EVP_PKEY_CTX *mac_ctx = NULL; + int r = 0; + if (!init_gen_str(&mac_ctx, mac_name, impl, 0)) + goto mac_end; + if (macopts) { + char *macopt; + for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) { + macopt = sk_OPENSSL_STRING_value(macopts, i); + if (pkey_ctrl_string(mac_ctx, macopt) <= 0) { + BIO_printf(bio_err, + "MAC parameter error \"%s\"\n", macopt); + ERR_print_errors(bio_err); + goto mac_end; + } + } + } + if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) { + BIO_puts(bio_err, "Error generating key\n"); + ERR_print_errors(bio_err); + goto mac_end; + } + r = 1; + mac_end: + EVP_PKEY_CTX_free(mac_ctx); + if (r == 0) + goto end; + } + + if (hmac_key) { + sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl, + (unsigned char *)hmac_key, -1); + if (!sigkey) + goto end; + } + + if (sigkey) { + EVP_MD_CTX *mctx = NULL; + EVP_PKEY_CTX *pctx = NULL; + int r; + if (!BIO_get_md_ctx(bmd, &mctx)) { + BIO_printf(bio_err, "Error getting context\n"); + ERR_print_errors(bio_err); + goto end; + } + if (do_verify) + r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey); + else + r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey); + if (!r) { + BIO_printf(bio_err, "Error setting context\n"); + ERR_print_errors(bio_err); + goto end; + } + if (sigopts) { + char *sigopt; + for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { + sigopt = sk_OPENSSL_STRING_value(sigopts, i); + if (pkey_ctrl_string(pctx, sigopt) <= 0) { + BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); + ERR_print_errors(bio_err); + goto end; + } + } + } + } + /* we use md as a filter, reading from 'in' */ + else { + EVP_MD_CTX *mctx = NULL; + if (!BIO_get_md_ctx(bmd, &mctx)) { + BIO_printf(bio_err, "Error getting context\n"); + ERR_print_errors(bio_err); + goto end; + } + if (md == NULL) + md = EVP_sha256(); + if (!EVP_DigestInit_ex(mctx, md, impl)) { + BIO_printf(bio_err, "Error setting digest\n"); + ERR_print_errors(bio_err); + goto end; + } + } + + if (sigfile && sigkey) { + BIO *sigbio = BIO_new_file(sigfile, "rb"); + if (!sigbio) { + BIO_printf(bio_err, "Error opening signature file %s\n", sigfile); + ERR_print_errors(bio_err); + goto end; + } + siglen = EVP_PKEY_size(sigkey); + sigbuf = app_malloc(siglen, "signature buffer"); + siglen = BIO_read(sigbio, sigbuf, siglen); + BIO_free(sigbio); + if (siglen <= 0) { + BIO_printf(bio_err, "Error reading signature file %s\n", sigfile); + ERR_print_errors(bio_err); + goto end; + } + } + inp = BIO_push(bmd, in); + + if (md == NULL) { + EVP_MD_CTX *tctx; + BIO_get_md_ctx(bmd, &tctx); + md = EVP_MD_CTX_md(tctx); + } + + if (argc == 0) { + BIO_set_fp(in, stdin, BIO_NOCLOSE); + ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, + siglen, NULL, NULL, "stdin"); + } else { + const char *md_name = NULL, *sig_name = NULL; + if (!out_bin) { + if (sigkey) { + const EVP_PKEY_ASN1_METHOD *ameth; + ameth = EVP_PKEY_get0_asn1(sigkey); + if (ameth) + EVP_PKEY_asn1_get0_info(NULL, NULL, + NULL, NULL, &sig_name, ameth); + } + if (md) + md_name = EVP_MD_name(md); + } + ret = 0; + for (i = 0; i < argc; i++) { + int r; + if (BIO_read_filename(in, argv[i]) <= 0) { + perror(argv[i]); + ret++; + continue; + } else + r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, + siglen, sig_name, md_name, argv[i]); + if (r) + ret = r; + (void)BIO_reset(bmd); + } + } + end: + OPENSSL_clear_free(buf, BUFSIZE); + BIO_free(in); + OPENSSL_free(passin); + BIO_free_all(out); + EVP_PKEY_free(sigkey); + sk_OPENSSL_STRING_free(sigopts); + sk_OPENSSL_STRING_free(macopts); + OPENSSL_free(sigbuf); + BIO_free(bmd); + release_engine(e); + return (ret); +} + +int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, + EVP_PKEY *key, unsigned char *sigin, int siglen, + const char *sig_name, const char *md_name, + const char *file) +{ + size_t len; + int i; + + for (;;) { + i = BIO_read(bp, (char *)buf, BUFSIZE); + if (i < 0) { + BIO_printf(bio_err, "Read Error in %s\n", file); + ERR_print_errors(bio_err); + return 1; + } + if (i == 0) + break; + } + if (sigin) { + EVP_MD_CTX *ctx; + BIO_get_md_ctx(bp, &ctx); + i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); + if (i > 0) + BIO_printf(out, "Verified OK\n"); + else if (i == 0) { + BIO_printf(out, "Verification Failure\n"); + return 1; + } else { + BIO_printf(bio_err, "Error Verifying Data\n"); + ERR_print_errors(bio_err); + return 1; + } + return 0; + } + if (key) { + EVP_MD_CTX *ctx; + BIO_get_md_ctx(bp, &ctx); + len = BUFSIZE; + if (!EVP_DigestSignFinal(ctx, buf, &len)) { + BIO_printf(bio_err, "Error Signing Data\n"); + ERR_print_errors(bio_err); + return 1; + } + } else { + len = BIO_gets(bp, (char *)buf, BUFSIZE); + if ((int)len < 0) { + ERR_print_errors(bio_err); + return 1; + } + } + + if (binout) + BIO_write(out, buf, len); + else if (sep == 2) { + for (i = 0; i < (int)len; i++) + BIO_printf(out, "%02x", buf[i]); + BIO_printf(out, " *%s\n", file); + } else { + if (sig_name) { + BIO_puts(out, sig_name); + if (md_name) + BIO_printf(out, "-%s", md_name); + BIO_printf(out, "(%s)= ", file); + } else if (md_name) + BIO_printf(out, "%s(%s)= ", md_name, file); + else + BIO_printf(out, "(%s)= ", file); + for (i = 0; i < (int)len; i++) { + if (sep && (i != 0)) + BIO_printf(out, ":"); + BIO_printf(out, "%02x", buf[i]); + } + BIO_printf(out, "\n"); + } + return 0; +} |