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apps/enc.c
/* | /* | ||||
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. | ||||
* | * | ||||
* Licensed under the OpenSSL license (the "License"). You may not use | * 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 | * this file except in compliance with the License. You can obtain a copy | ||||
* in the file LICENSE in the source distribution or at | * in the file LICENSE in the source distribution or at | ||||
* https://www.openssl.org/source/license.html | * https://www.openssl.org/source/license.html | ||||
*/ | */ | ||||
#include <stdio.h> | #include <stdio.h> | ||||
#include <stdlib.h> | #include <stdlib.h> | ||||
#include <string.h> | #include <string.h> | ||||
Show All 21 Lines | |||||
static void show_ciphers(const OBJ_NAME *name, void *bio_); | static void show_ciphers(const OBJ_NAME *name, void *bio_); | ||||
struct doall_enc_ciphers { | struct doall_enc_ciphers { | ||||
BIO *bio; | BIO *bio; | ||||
int n; | int n; | ||||
}; | }; | ||||
typedef enum OPTION_choice { | typedef enum OPTION_choice { | ||||
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | OPT_COMMON, | ||||
OPT_LIST, | OPT_LIST, | ||||
OPT_E, OPT_IN, OPT_OUT, OPT_PASS, OPT_ENGINE, OPT_D, OPT_P, OPT_V, | OPT_E, OPT_IN, OPT_OUT, OPT_PASS, OPT_ENGINE, OPT_D, OPT_P, OPT_V, | ||||
OPT_NOPAD, OPT_SALT, OPT_NOSALT, OPT_DEBUG, OPT_UPPER_P, OPT_UPPER_A, | OPT_NOPAD, OPT_SALT, OPT_NOSALT, OPT_DEBUG, OPT_UPPER_P, OPT_UPPER_A, | ||||
OPT_A, OPT_Z, OPT_BUFSIZE, OPT_K, OPT_KFILE, OPT_UPPER_K, OPT_NONE, | OPT_A, OPT_Z, OPT_BUFSIZE, OPT_K, OPT_KFILE, OPT_UPPER_K, OPT_NONE, | ||||
OPT_UPPER_S, OPT_IV, OPT_MD, OPT_ITER, OPT_PBKDF2, OPT_CIPHER, | OPT_UPPER_S, OPT_IV, OPT_MD, OPT_ITER, OPT_PBKDF2, OPT_CIPHER, | ||||
OPT_R_ENUM | OPT_R_ENUM, OPT_PROV_ENUM | ||||
} OPTION_CHOICE; | } OPTION_CHOICE; | ||||
const OPTIONS enc_options[] = { | const OPTIONS enc_options[] = { | ||||
OPT_SECTION("General"), | |||||
{"help", OPT_HELP, '-', "Display this summary"}, | {"help", OPT_HELP, '-', "Display this summary"}, | ||||
{"list", OPT_LIST, '-', "List ciphers"}, | {"list", OPT_LIST, '-', "List ciphers"}, | ||||
#ifndef OPENSSL_NO_DEPRECATED_3_0 | |||||
{"ciphers", OPT_LIST, '-', "Alias for -list"}, | {"ciphers", OPT_LIST, '-', "Alias for -list"}, | ||||
{"in", OPT_IN, '<', "Input file"}, | #endif | ||||
{"out", OPT_OUT, '>', "Output file"}, | |||||
{"pass", OPT_PASS, 's', "Passphrase source"}, | |||||
{"e", OPT_E, '-', "Encrypt"}, | {"e", OPT_E, '-', "Encrypt"}, | ||||
{"d", OPT_D, '-', "Decrypt"}, | {"d", OPT_D, '-', "Decrypt"}, | ||||
{"p", OPT_P, '-', "Print the iv/key"}, | {"p", OPT_P, '-', "Print the iv/key"}, | ||||
{"P", OPT_UPPER_P, '-', "Print the iv/key and exit"}, | {"P", OPT_UPPER_P, '-', "Print the iv/key and exit"}, | ||||
#ifndef OPENSSL_NO_ENGINE | |||||
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |||||
#endif | |||||
OPT_SECTION("Input"), | |||||
{"in", OPT_IN, '<', "Input file"}, | |||||
{"k", OPT_K, 's', "Passphrase"}, | |||||
{"kfile", OPT_KFILE, '<', "Read passphrase from file"}, | |||||
OPT_SECTION("Output"), | |||||
{"out", OPT_OUT, '>', "Output file"}, | |||||
{"pass", OPT_PASS, 's', "Passphrase source"}, | |||||
{"v", OPT_V, '-', "Verbose output"}, | {"v", OPT_V, '-', "Verbose output"}, | ||||
{"nopad", OPT_NOPAD, '-', "Disable standard block padding"}, | |||||
{"salt", OPT_SALT, '-', "Use salt in the KDF (default)"}, | |||||
{"nosalt", OPT_NOSALT, '-', "Do not use salt in the KDF"}, | |||||
{"debug", OPT_DEBUG, '-', "Print debug info"}, | |||||
{"a", OPT_A, '-', "Base64 encode/decode, depending on encryption flag"}, | {"a", OPT_A, '-', "Base64 encode/decode, depending on encryption flag"}, | ||||
{"base64", OPT_A, '-', "Same as option -a"}, | {"base64", OPT_A, '-', "Same as option -a"}, | ||||
{"A", OPT_UPPER_A, '-', | {"A", OPT_UPPER_A, '-', | ||||
"Used with -[base64|a] to specify base64 buffer as a single line"}, | "Used with -[base64|a] to specify base64 buffer as a single line"}, | ||||
OPT_SECTION("Encryption"), | |||||
{"nopad", OPT_NOPAD, '-', "Disable standard block padding"}, | |||||
{"salt", OPT_SALT, '-', "Use salt in the KDF (default)"}, | |||||
{"nosalt", OPT_NOSALT, '-', "Do not use salt in the KDF"}, | |||||
{"debug", OPT_DEBUG, '-', "Print debug info"}, | |||||
{"bufsize", OPT_BUFSIZE, 's', "Buffer size"}, | {"bufsize", OPT_BUFSIZE, 's', "Buffer size"}, | ||||
{"k", OPT_K, 's', "Passphrase"}, | |||||
{"kfile", OPT_KFILE, '<', "Read passphrase from file"}, | |||||
{"K", OPT_UPPER_K, 's', "Raw key, in hex"}, | {"K", OPT_UPPER_K, 's', "Raw key, in hex"}, | ||||
{"S", OPT_UPPER_S, 's', "Salt, in hex"}, | {"S", OPT_UPPER_S, 's', "Salt, in hex"}, | ||||
{"iv", OPT_IV, 's', "IV in hex"}, | {"iv", OPT_IV, 's', "IV in hex"}, | ||||
{"md", OPT_MD, 's', "Use specified digest to create a key from the passphrase"}, | {"md", OPT_MD, 's', "Use specified digest to create a key from the passphrase"}, | ||||
{"iter", OPT_ITER, 'p', "Specify the iteration count and force use of PBKDF2"}, | {"iter", OPT_ITER, 'p', "Specify the iteration count and force use of PBKDF2"}, | ||||
{"pbkdf2", OPT_PBKDF2, '-', "Use password-based key derivation function 2"}, | {"pbkdf2", OPT_PBKDF2, '-', "Use password-based key derivation function 2"}, | ||||
{"none", OPT_NONE, '-', "Don't encrypt"}, | {"none", OPT_NONE, '-', "Don't encrypt"}, | ||||
{"", OPT_CIPHER, '-', "Any supported cipher"}, | |||||
OPT_R_OPTIONS, | |||||
#ifdef ZLIB | #ifdef ZLIB | ||||
{"z", OPT_Z, '-', "Compress or decompress encrypted data using zlib"}, | {"z", OPT_Z, '-', "Compress or decompress encrypted data using zlib"}, | ||||
#endif | #endif | ||||
#ifndef OPENSSL_NO_ENGINE | {"", OPT_CIPHER, '-', "Any supported cipher"}, | ||||
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |||||
#endif | OPT_R_OPTIONS, | ||||
OPT_PROV_OPTIONS, | |||||
{NULL} | {NULL} | ||||
}; | }; | ||||
int enc_main(int argc, char **argv) | int enc_main(int argc, char **argv) | ||||
{ | { | ||||
static char buf[128]; | static char buf[128]; | ||||
static const char magic[] = "Salted__"; | static const char magic[] = "Salted__"; | ||||
ENGINE *e = NULL; | ENGINE *e = NULL; | ||||
BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio = | BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio = | ||||
NULL, *wbio = NULL; | NULL, *wbio = NULL; | ||||
EVP_CIPHER_CTX *ctx = NULL; | EVP_CIPHER_CTX *ctx = NULL; | ||||
const EVP_CIPHER *cipher = NULL, *c; | EVP_CIPHER *cipher = NULL; | ||||
const EVP_MD *dgst = NULL; | EVP_MD *dgst = NULL; | ||||
const char *digestname = NULL; | |||||
char *hkey = NULL, *hiv = NULL, *hsalt = NULL, *p; | char *hkey = NULL, *hiv = NULL, *hsalt = NULL, *p; | ||||
char *infile = NULL, *outfile = NULL, *prog; | char *infile = NULL, *outfile = NULL, *prog; | ||||
char *str = NULL, *passarg = NULL, *pass = NULL, *strbuf = NULL; | char *str = NULL, *passarg = NULL, *pass = NULL, *strbuf = NULL; | ||||
const char *ciphername = NULL; | |||||
char mbuf[sizeof(magic) - 1]; | char mbuf[sizeof(magic) - 1]; | ||||
OPTION_CHOICE o; | OPTION_CHOICE o; | ||||
int bsize = BSIZE, verbose = 0, debug = 0, olb64 = 0, nosalt = 0; | int bsize = BSIZE, verbose = 0, debug = 0, olb64 = 0, nosalt = 0; | ||||
int enc = 1, printkey = 0, i, k; | int enc = 1, printkey = 0, i, k; | ||||
int base64 = 0, informat = FORMAT_BINARY, outformat = FORMAT_BINARY; | int base64 = 0, informat = FORMAT_BINARY, outformat = FORMAT_BINARY; | ||||
int ret = 1, inl, nopad = 0; | int ret = 1, inl, nopad = 0; | ||||
unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; | unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; | ||||
unsigned char *buff = NULL, salt[PKCS5_SALT_LEN]; | unsigned char *buff = NULL, salt[PKCS5_SALT_LEN]; | ||||
int pbkdf2 = 0; | int pbkdf2 = 0; | ||||
int iter = 0; | int iter = 0; | ||||
long n; | long n; | ||||
struct doall_enc_ciphers dec; | struct doall_enc_ciphers dec; | ||||
#ifdef ZLIB | #ifdef ZLIB | ||||
int do_zlib = 0; | int do_zlib = 0; | ||||
BIO *bzl = NULL; | BIO *bzl = NULL; | ||||
#endif | #endif | ||||
/* first check the program name */ | /* first check the command name */ | ||||
prog = opt_progname(argv[0]); | if (strcmp(argv[0], "base64") == 0) | ||||
if (strcmp(prog, "base64") == 0) { | |||||
base64 = 1; | base64 = 1; | ||||
#ifdef ZLIB | #ifdef ZLIB | ||||
} else if (strcmp(prog, "zlib") == 0) { | else if (strcmp(argv[0], "zlib") == 0) | ||||
do_zlib = 1; | do_zlib = 1; | ||||
#endif | #endif | ||||
} else { | else if (strcmp(argv[0], "enc") != 0) | ||||
cipher = EVP_get_cipherbyname(prog); | ciphername = argv[0]; | ||||
if (cipher == NULL && strcmp(prog, "enc") != 0) { | |||||
BIO_printf(bio_err, "%s is not a known cipher\n", prog); | |||||
goto end; | |||||
} | |||||
} | |||||
prog = opt_init(argc, argv, enc_options); | prog = opt_init(argc, argv, enc_options); | ||||
while ((o = opt_next()) != OPT_EOF) { | while ((o = opt_next()) != OPT_EOF) { | ||||
switch (o) { | switch (o) { | ||||
case OPT_EOF: | case OPT_EOF: | ||||
case OPT_ERR: | case OPT_ERR: | ||||
opthelp: | opthelp: | ||||
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | ||||
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Lines | #endif | ||||
break; | break; | ||||
case OPT_UPPER_S: | case OPT_UPPER_S: | ||||
hsalt = opt_arg(); | hsalt = opt_arg(); | ||||
break; | break; | ||||
case OPT_IV: | case OPT_IV: | ||||
hiv = opt_arg(); | hiv = opt_arg(); | ||||
break; | break; | ||||
case OPT_MD: | case OPT_MD: | ||||
if (!opt_md(opt_arg(), &dgst)) | digestname = opt_arg(); | ||||
goto opthelp; | |||||
break; | break; | ||||
case OPT_CIPHER: | case OPT_CIPHER: | ||||
if (!opt_cipher(opt_unknown(), &c)) | ciphername = opt_unknown(); | ||||
goto opthelp; | |||||
cipher = c; | |||||
break; | break; | ||||
case OPT_ITER: | case OPT_ITER: | ||||
if (!opt_int(opt_arg(), &iter)) | iter = opt_int_arg(); | ||||
goto opthelp; | |||||
pbkdf2 = 1; | pbkdf2 = 1; | ||||
break; | break; | ||||
case OPT_PBKDF2: | case OPT_PBKDF2: | ||||
pbkdf2 = 1; | pbkdf2 = 1; | ||||
if (iter == 0) /* do not overwrite a chosen value */ | if (iter == 0) /* do not overwrite a chosen value */ | ||||
iter = 10000; | iter = 10000; | ||||
break; | break; | ||||
case OPT_NONE: | case OPT_NONE: | ||||
cipher = NULL; | cipher = NULL; | ||||
break; | break; | ||||
case OPT_R_CASES: | case OPT_R_CASES: | ||||
if (!opt_rand(o)) | if (!opt_rand(o)) | ||||
goto end; | goto end; | ||||
break; | break; | ||||
case OPT_PROV_CASES: | |||||
if (!opt_provider(o)) | |||||
goto end; | |||||
break; | |||||
} | } | ||||
} | } | ||||
if (opt_num_rest() != 0) { | |||||
BIO_printf(bio_err, "Extra arguments given.\n"); | |||||
goto opthelp; | |||||
} | |||||
if (cipher && EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) { | /* No extra arguments. */ | ||||
BIO_printf(bio_err, "%s: AEAD ciphers not supported\n", prog); | argc = opt_num_rest(); | ||||
if (argc != 0) | |||||
goto opthelp; | |||||
if (!app_RAND_load()) | |||||
goto end; | goto end; | ||||
} | |||||
if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE)) { | /* Get the cipher name, either from progname (if set) or flag. */ | ||||
BIO_printf(bio_err, "%s XTS ciphers not supported\n", prog); | if (ciphername != NULL) { | ||||
goto end; | if (!opt_cipher(ciphername, &cipher)) | ||||
goto opthelp; | |||||
} | } | ||||
if (digestname != NULL) { | |||||
if (!opt_md(digestname, &dgst)) | |||||
goto opthelp; | |||||
} | |||||
if (dgst == NULL) | if (dgst == NULL) | ||||
dgst = EVP_sha256(); | dgst = (EVP_MD *)EVP_sha256(); | ||||
if (iter == 0) | if (iter == 0) | ||||
iter = 1; | iter = 1; | ||||
/* It must be large enough for a base64 encoded line */ | /* It must be large enough for a base64 encoded line */ | ||||
if (base64 && bsize < 80) | if (base64 && bsize < 80) | ||||
bsize = 80; | bsize = 80; | ||||
if (verbose) | if (verbose) | ||||
Show All 30 Lines | #endif | ||||
if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) { | if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) { | ||||
if (1) { | if (1) { | ||||
#ifndef OPENSSL_NO_UI_CONSOLE | #ifndef OPENSSL_NO_UI_CONSOLE | ||||
for (;;) { | for (;;) { | ||||
char prompt[200]; | char prompt[200]; | ||||
BIO_snprintf(prompt, sizeof(prompt), "enter %s %s password:", | BIO_snprintf(prompt, sizeof(prompt), "enter %s %s password:", | ||||
OBJ_nid2ln(EVP_CIPHER_nid(cipher)), | EVP_CIPHER_get0_name(cipher), | ||||
(enc) ? "encryption" : "decryption"); | (enc) ? "encryption" : "decryption"); | ||||
strbuf[0] = '\0'; | strbuf[0] = '\0'; | ||||
i = EVP_read_pw_string((char *)strbuf, SIZE, prompt, enc); | i = EVP_read_pw_string((char *)strbuf, SIZE, prompt, enc); | ||||
if (i == 0) { | if (i == 0) { | ||||
if (strbuf[0] == '\0') { | if (strbuf[0] == '\0') { | ||||
ret = 1; | ret = 1; | ||||
goto end; | goto end; | ||||
} | } | ||||
Show All 12 Lines | #endif | ||||
} | } | ||||
} | } | ||||
out = bio_open_default(outfile, 'w', outformat); | out = bio_open_default(outfile, 'w', outformat); | ||||
if (out == NULL) | if (out == NULL) | ||||
goto end; | goto end; | ||||
if (debug) { | if (debug) { | ||||
BIO_set_callback(in, BIO_debug_callback); | BIO_set_callback_ex(in, BIO_debug_callback_ex); | ||||
BIO_set_callback(out, BIO_debug_callback); | BIO_set_callback_ex(out, BIO_debug_callback_ex); | ||||
BIO_set_callback_arg(in, (char *)bio_err); | BIO_set_callback_arg(in, (char *)bio_err); | ||||
BIO_set_callback_arg(out, (char *)bio_err); | BIO_set_callback_arg(out, (char *)bio_err); | ||||
} | } | ||||
rbio = in; | rbio = in; | ||||
wbio = out; | wbio = out; | ||||
#ifdef ZLIB | #ifdef ZLIB | ||||
if (do_zlib) { | if (do_zlib) { | ||||
if ((bzl = BIO_new(BIO_f_zlib())) == NULL) | if ((bzl = BIO_new(BIO_f_zlib())) == NULL) | ||||
goto end; | goto end; | ||||
if (debug) { | if (debug) { | ||||
BIO_set_callback(bzl, BIO_debug_callback); | BIO_set_callback_ex(bzl, BIO_debug_callback_ex); | ||||
BIO_set_callback_arg(bzl, (char *)bio_err); | BIO_set_callback_arg(bzl, (char *)bio_err); | ||||
} | } | ||||
if (enc) | if (enc) | ||||
wbio = BIO_push(bzl, wbio); | wbio = BIO_push(bzl, wbio); | ||||
else | else | ||||
rbio = BIO_push(bzl, rbio); | rbio = BIO_push(bzl, rbio); | ||||
} | } | ||||
#endif | #endif | ||||
if (base64) { | if (base64) { | ||||
if ((b64 = BIO_new(BIO_f_base64())) == NULL) | if ((b64 = BIO_new(BIO_f_base64())) == NULL) | ||||
goto end; | goto end; | ||||
if (debug) { | if (debug) { | ||||
BIO_set_callback(b64, BIO_debug_callback); | BIO_set_callback_ex(b64, BIO_debug_callback_ex); | ||||
BIO_set_callback_arg(b64, (char *)bio_err); | BIO_set_callback_arg(b64, (char *)bio_err); | ||||
} | } | ||||
if (olb64) | if (olb64) | ||||
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); | BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); | ||||
if (enc) | if (enc) | ||||
wbio = BIO_push(b64, wbio); | wbio = BIO_push(b64, wbio); | ||||
else | else | ||||
rbio = BIO_push(b64, rbio); | rbio = BIO_push(b64, rbio); | ||||
} | } | ||||
if (cipher != NULL) { | if (cipher != NULL) { | ||||
if (str != NULL) { /* a passphrase is available */ | |||||
/* | /* | ||||
* Note that str is NULL if a key was passed on the command line, so | * Salt handling: if encrypting generate a salt if not supplied, | ||||
* we get no salt in that case. Is this a bug? | * and write to output BIO. If decrypting use salt from input BIO | ||||
* if not given with args | |||||
*/ | */ | ||||
if (str != NULL) { | |||||
/* | |||||
* Salt handling: if encrypting generate a salt and write to | |||||
* output BIO. If decrypting read salt from input BIO. | |||||
*/ | |||||
unsigned char *sptr; | unsigned char *sptr; | ||||
size_t str_len = strlen(str); | size_t str_len = strlen(str); | ||||
if (nosalt) { | if (nosalt) { | ||||
sptr = NULL; | sptr = NULL; | ||||
} else { | } else { | ||||
if (enc) { | if (hsalt != NULL && !set_hex(hsalt, salt, sizeof(salt))) { | ||||
if (hsalt) { | |||||
if (!set_hex(hsalt, salt, sizeof(salt))) { | |||||
BIO_printf(bio_err, "invalid hex salt value\n"); | BIO_printf(bio_err, "invalid hex salt value\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
} else if (RAND_bytes(salt, sizeof(salt)) <= 0) { | if (enc) { /* encryption */ | ||||
if (hsalt == NULL) { | |||||
if (RAND_bytes(salt, sizeof(salt)) <= 0) { | |||||
BIO_printf(bio_err, "RAND_bytes failed\n"); | |||||
goto end; | goto end; | ||||
} | } | ||||
/* | /* | ||||
* If -P option then don't bother writing | * If -P option then don't bother writing. | ||||
* If salt is given, shouldn't either ? | |||||
*/ | */ | ||||
if ((printkey != 2) | if ((printkey != 2) | ||||
&& (BIO_write(wbio, magic, | && (BIO_write(wbio, magic, | ||||
sizeof(magic) - 1) != sizeof(magic) - 1 | sizeof(magic) - 1) != sizeof(magic) - 1 | ||||
|| BIO_write(wbio, | || BIO_write(wbio, | ||||
(char *)salt, | (char *)salt, | ||||
sizeof(salt)) != sizeof(salt))) { | sizeof(salt)) != sizeof(salt))) { | ||||
BIO_printf(bio_err, "error writing output file\n"); | BIO_printf(bio_err, "error writing output file\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
} else if (BIO_read(rbio, mbuf, sizeof(mbuf)) != sizeof(mbuf) | } | ||||
|| BIO_read(rbio, | } else { /* decryption */ | ||||
(unsigned char *)salt, | if (hsalt == NULL) { | ||||
if (BIO_read(rbio, mbuf, sizeof(mbuf)) != sizeof(mbuf)) { | |||||
BIO_printf(bio_err, "error reading input file\n"); | |||||
goto end; | |||||
} | |||||
if (memcmp(mbuf, magic, sizeof(mbuf)) == 0) { /* file IS salted */ | |||||
if (BIO_read(rbio, salt, | |||||
sizeof(salt)) != sizeof(salt)) { | sizeof(salt)) != sizeof(salt)) { | ||||
BIO_printf(bio_err, "error reading input file\n"); | BIO_printf(bio_err, "error reading input file\n"); | ||||
goto end; | goto end; | ||||
} else if (memcmp(mbuf, magic, sizeof(magic) - 1)) { | } | ||||
} else { /* file is NOT salted, NO salt available */ | |||||
BIO_printf(bio_err, "bad magic number\n"); | BIO_printf(bio_err, "bad magic number\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
} | |||||
} | |||||
sptr = salt; | sptr = salt; | ||||
} | } | ||||
if (pbkdf2 == 1) { | if (pbkdf2 == 1) { | ||||
/* | /* | ||||
* derive key and default iv | * derive key and default iv | ||||
* concatenated into a temporary buffer | * concatenated into a temporary buffer | ||||
*/ | */ | ||||
unsigned char tmpkeyiv[EVP_MAX_KEY_LENGTH + EVP_MAX_IV_LENGTH]; | unsigned char tmpkeyiv[EVP_MAX_KEY_LENGTH + EVP_MAX_IV_LENGTH]; | ||||
int iklen = EVP_CIPHER_key_length(cipher); | int iklen = EVP_CIPHER_get_key_length(cipher); | ||||
int ivlen = EVP_CIPHER_iv_length(cipher); | int ivlen = EVP_CIPHER_get_iv_length(cipher); | ||||
/* not needed if HASH_UPDATE() is fixed : */ | /* not needed if HASH_UPDATE() is fixed : */ | ||||
int islen = (sptr != NULL ? sizeof(salt) : 0); | int islen = (sptr != NULL ? sizeof(salt) : 0); | ||||
if (!PKCS5_PBKDF2_HMAC(str, str_len, sptr, islen, | if (!PKCS5_PBKDF2_HMAC(str, str_len, sptr, islen, | ||||
iter, dgst, iklen+ivlen, tmpkeyiv)) { | iter, dgst, iklen+ivlen, tmpkeyiv)) { | ||||
BIO_printf(bio_err, "PKCS5_PBKDF2_HMAC failed\n"); | BIO_printf(bio_err, "PKCS5_PBKDF2_HMAC failed\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
/* split and move data back to global buffer */ | /* split and move data back to global buffer */ | ||||
Show All 15 Lines | if (cipher != NULL) { | ||||
* line. | * line. | ||||
*/ | */ | ||||
if (str == strbuf) | if (str == strbuf) | ||||
OPENSSL_cleanse(str, SIZE); | OPENSSL_cleanse(str, SIZE); | ||||
else | else | ||||
OPENSSL_cleanse(str, str_len); | OPENSSL_cleanse(str, str_len); | ||||
} | } | ||||
if (hiv != NULL) { | if (hiv != NULL) { | ||||
int siz = EVP_CIPHER_iv_length(cipher); | int siz = EVP_CIPHER_get_iv_length(cipher); | ||||
if (siz == 0) { | if (siz == 0) { | ||||
BIO_printf(bio_err, "warning: iv not used by this cipher\n"); | BIO_printf(bio_err, "warning: iv not used by this cipher\n"); | ||||
} else if (!set_hex(hiv, iv, siz)) { | } else if (!set_hex(hiv, iv, siz)) { | ||||
BIO_printf(bio_err, "invalid hex iv value\n"); | BIO_printf(bio_err, "invalid hex iv value\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
} | } | ||||
if ((hiv == NULL) && (str == NULL) | if ((hiv == NULL) && (str == NULL) | ||||
&& EVP_CIPHER_iv_length(cipher) != 0) { | && EVP_CIPHER_get_iv_length(cipher) != 0) { | ||||
/* | /* | ||||
* No IV was explicitly set and no IV was generated. | * No IV was explicitly set and no IV was generated. | ||||
* Hence the IV is undefined, making correct decryption impossible. | * Hence the IV is undefined, making correct decryption impossible. | ||||
*/ | */ | ||||
BIO_printf(bio_err, "iv undefined\n"); | BIO_printf(bio_err, "iv undefined\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
if (hkey != NULL) { | if (hkey != NULL) { | ||||
if (!set_hex(hkey, key, EVP_CIPHER_key_length(cipher))) { | if (!set_hex(hkey, key, EVP_CIPHER_get_key_length(cipher))) { | ||||
BIO_printf(bio_err, "invalid hex key value\n"); | BIO_printf(bio_err, "invalid hex key value\n"); | ||||
goto end; | goto end; | ||||
} | } | ||||
/* wiping secret data as we no longer need it */ | /* wiping secret data as we no longer need it */ | ||||
OPENSSL_cleanse(hkey, strlen(hkey)); | cleanse(hkey); | ||||
} | } | ||||
if ((benc = BIO_new(BIO_f_cipher())) == NULL) | if ((benc = BIO_new(BIO_f_cipher())) == NULL) | ||||
goto end; | goto end; | ||||
/* | /* | ||||
* Since we may be changing parameters work on the encryption context | * Since we may be changing parameters work on the encryption context | ||||
* rather than calling BIO_set_cipher(). | * rather than calling BIO_set_cipher(). | ||||
*/ | */ | ||||
BIO_get_cipher_ctx(benc, &ctx); | BIO_get_cipher_ctx(benc, &ctx); | ||||
if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) { | if (!EVP_CipherInit_ex(ctx, cipher, e, NULL, NULL, enc)) { | ||||
BIO_printf(bio_err, "Error setting cipher %s\n", | BIO_printf(bio_err, "Error setting cipher %s\n", | ||||
EVP_CIPHER_name(cipher)); | EVP_CIPHER_get0_name(cipher)); | ||||
ERR_print_errors(bio_err); | ERR_print_errors(bio_err); | ||||
goto end; | goto end; | ||||
} | } | ||||
if (nopad) | if (nopad) | ||||
EVP_CIPHER_CTX_set_padding(ctx, 0); | EVP_CIPHER_CTX_set_padding(ctx, 0); | ||||
if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) { | if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) { | ||||
BIO_printf(bio_err, "Error setting cipher %s\n", | BIO_printf(bio_err, "Error setting cipher %s\n", | ||||
EVP_CIPHER_name(cipher)); | EVP_CIPHER_get0_name(cipher)); | ||||
ERR_print_errors(bio_err); | ERR_print_errors(bio_err); | ||||
goto end; | goto end; | ||||
} | } | ||||
if (debug) { | if (debug) { | ||||
BIO_set_callback(benc, BIO_debug_callback); | BIO_set_callback_ex(benc, BIO_debug_callback_ex); | ||||
BIO_set_callback_arg(benc, (char *)bio_err); | BIO_set_callback_arg(benc, (char *)bio_err); | ||||
} | } | ||||
if (printkey) { | if (printkey) { | ||||
if (!nosalt) { | if (!nosalt) { | ||||
printf("salt="); | printf("salt="); | ||||
for (i = 0; i < (int)sizeof(salt); i++) | for (i = 0; i < (int)sizeof(salt); i++) | ||||
printf("%02X", salt[i]); | printf("%02X", salt[i]); | ||||
printf("\n"); | printf("\n"); | ||||
} | } | ||||
if (EVP_CIPHER_key_length(cipher) > 0) { | if (EVP_CIPHER_get_key_length(cipher) > 0) { | ||||
printf("key="); | printf("key="); | ||||
for (i = 0; i < EVP_CIPHER_key_length(cipher); i++) | for (i = 0; i < EVP_CIPHER_get_key_length(cipher); i++) | ||||
printf("%02X", key[i]); | printf("%02X", key[i]); | ||||
printf("\n"); | printf("\n"); | ||||
} | } | ||||
if (EVP_CIPHER_iv_length(cipher) > 0) { | if (EVP_CIPHER_get_iv_length(cipher) > 0) { | ||||
printf("iv ="); | printf("iv ="); | ||||
for (i = 0; i < EVP_CIPHER_iv_length(cipher); i++) | for (i = 0; i < EVP_CIPHER_get_iv_length(cipher); i++) | ||||
printf("%02X", iv[i]); | printf("%02X", iv[i]); | ||||
printf("\n"); | printf("\n"); | ||||
} | } | ||||
if (printkey == 2) { | if (printkey == 2) { | ||||
ret = 0; | ret = 0; | ||||
goto end; | goto end; | ||||
} | } | ||||
} | } | ||||
Show All 25 Lines | |||||
end: | end: | ||||
ERR_print_errors(bio_err); | ERR_print_errors(bio_err); | ||||
OPENSSL_free(strbuf); | OPENSSL_free(strbuf); | ||||
OPENSSL_free(buff); | OPENSSL_free(buff); | ||||
BIO_free(in); | BIO_free(in); | ||||
BIO_free_all(out); | BIO_free_all(out); | ||||
BIO_free(benc); | BIO_free(benc); | ||||
BIO_free(b64); | BIO_free(b64); | ||||
EVP_MD_free(dgst); | |||||
EVP_CIPHER_free(cipher); | |||||
#ifdef ZLIB | #ifdef ZLIB | ||||
BIO_free(bzl); | BIO_free(bzl); | ||||
#endif | #endif | ||||
release_engine(e); | release_engine(e); | ||||
OPENSSL_free(pass); | OPENSSL_free(pass); | ||||
return ret; | return ret; | ||||
} | } | ||||
static void show_ciphers(const OBJ_NAME *name, void *arg) | static void show_ciphers(const OBJ_NAME *name, void *arg) | ||||
{ | { | ||||
struct doall_enc_ciphers *dec = (struct doall_enc_ciphers *)arg; | struct doall_enc_ciphers *dec = (struct doall_enc_ciphers *)arg; | ||||
const EVP_CIPHER *cipher; | const EVP_CIPHER *cipher; | ||||
if (!islower((unsigned char)*name->name)) | if (!islower((unsigned char)*name->name)) | ||||
return; | return; | ||||
/* Filter out ciphers that we cannot use */ | /* Filter out ciphers that we cannot use */ | ||||
cipher = EVP_get_cipherbyname(name->name); | cipher = EVP_get_cipherbyname(name->name); | ||||
if (cipher == NULL || | if (cipher == NULL | ||||
(EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) != 0 || | || (EVP_CIPHER_get_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) != 0 | ||||
EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE) | || EVP_CIPHER_get_mode(cipher) == EVP_CIPH_XTS_MODE) | ||||
return; | return; | ||||
BIO_printf(dec->bio, "-%-25s", name->name); | BIO_printf(dec->bio, "-%-25s", name->name); | ||||
if (++dec->n == 3) { | if (++dec->n == 3) { | ||||
BIO_printf(dec->bio, "\n"); | BIO_printf(dec->bio, "\n"); | ||||
dec->n = 0; | dec->n = 0; | ||||
} else | } else | ||||
BIO_printf(dec->bio, " "); | BIO_printf(dec->bio, " "); | ||||
Show All 31 Lines |