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openssl/test/evp_test.c
Pauli 533b178db6 Avoid buffer underflow in evp_test. 
The second loop in the remove_space function doesn't check for walking
back off of the start of the string while setting white space to 0.

This fix exits this loop once the pointer is before the (updated) beginning
of the string.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2752)
2017-02-28 09:14:50 -05:00

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/*
* Copyright 2015-2017 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 <ctype.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>
#include <openssl/pkcs12.h>
#include <openssl/kdf.h>
#include "internal/numbers.h"
/* Remove spaces from beginning and end of a string */
static void remove_space(char **pval)
{
unsigned char *p = (unsigned char *)*pval, *beginning;
while (isspace(*p))
p++;
*pval = (char *)(beginning = p);
p = p + strlen(*pval) - 1;
/* Remove trailing space */
while (p >= beginning && isspace(*p))
*p-- = 0;
}
/*
* Given a line of the form:
* name = value # comment
* extract name and value. NB: modifies passed buffer.
*/
static int parse_line(char **pkw, char **pval, char *linebuf)
{
char *p;
p = linebuf + strlen(linebuf) - 1;
if (*p != '\n') {
fprintf(stderr, "FATAL: missing EOL\n");
exit(1);
}
/* Look for # */
p = strchr(linebuf, '#');
if (p)
*p = '\0';
/* Look for = sign */
p = strchr(linebuf, '=');
/* If no '=' exit */
if (!p)
return 0;
*p++ = '\0';
*pkw = linebuf;
*pval = p;
/* Remove spaces from keyword and value */
remove_space(pkw);
remove_space(pval);
return 1;
}
/*
* Unescape some escape sequences in string literals.
* Return the result in a newly allocated buffer.
* Currently only supports '\n'.
* If the input length is 0, returns a valid 1-byte buffer, but sets
* the length to 0.
*/
static unsigned char* unescape(const char *input, size_t input_len,
size_t *out_len)
{
unsigned char *ret, *p;
size_t i;
if (input_len == 0) {
*out_len = 0;
return OPENSSL_zalloc(1);
}
/* Escaping is non-expanding; over-allocate original size for simplicity. */
ret = p = OPENSSL_malloc(input_len);
if (ret == NULL)
return NULL;
for (i = 0; i < input_len; i++) {
if (input[i] == '\\') {
if (i == input_len - 1 || input[i+1] != 'n')
goto err;
*p++ = '\n';
i++;
} else {
*p++ = input[i];
}
}
*out_len = p - ret;
return ret;
err:
OPENSSL_free(ret);
return NULL;
}
/* For a hex string "value" convert to a binary allocated buffer */
static int test_bin(const char *value, unsigned char **buf, size_t *buflen)
{
long len;
*buflen = 0;
if (!*value) {
/*
* Don't return NULL for zero length buffer.
* This is needed for some tests with empty keys: HMAC_Init_ex() expects
* a non-NULL key buffer even if the key length is 0, in order to detect
* key reset.
*/
*buf = OPENSSL_malloc(1);
if (!*buf)
return 0;
**buf = 0;
*buflen = 0;
return 1;
}
/* Check for string literal */
if (value[0] == '"') {
size_t vlen;
value++;
vlen = strlen(value);
if (value[vlen - 1] != '"')
return 0;
vlen--;
*buf = unescape(value, vlen, buflen);
if (*buf == NULL)
return 0;
return 1;
}
*buf = OPENSSL_hexstr2buf(value, &len);
if (!*buf) {
fprintf(stderr, "Value=%s\n", value);
ERR_print_errors_fp(stderr);
return -1;
}
/* Size of input buffer means we'll never overflow */
*buflen = len;
return 1;
}
#ifndef OPENSSL_NO_SCRYPT
/* Currently only used by scrypt tests */
/* Parse unsigned decimal 64 bit integer value */
static int test_uint64(const char *value, uint64_t *pr)
{
const char *p = value;
if (!*p) {
fprintf(stderr, "Invalid empty integer value\n");
return -1;
}
*pr = 0;
while (*p) {
if (*pr > UINT64_MAX/10) {
fprintf(stderr, "Integer string overflow value=%s\n", value);
return -1;
}
*pr *= 10;
if (*p < '0' || *p > '9') {
fprintf(stderr, "Invalid integer string value=%s\n", value);
return -1;
}
*pr += *p - '0';
p++;
}
return 1;
}
#endif
/* Structure holding test information */
struct evp_test {
/* file being read */
BIO *in;
/* temp memory BIO for reading in keys */
BIO *key;
/* List of public and private keys */
struct key_list *private;
struct key_list *public;
/* method for this test */
const struct evp_test_method *meth;
/* current line being processed */
unsigned int line;
/* start line of current test */
unsigned int start_line;
/* Error string for test */
const char *err, *aux_err;
/* Expected error value of test */
char *expected_err;
/* Expected error function string */
char *func;
/* Expected error reason string */
char *reason;
/* Number of tests */
int ntests;
/* Error count */
int errors;
/* Number of tests skipped */
int nskip;
/* If output mismatch expected and got value */
unsigned char *out_received;
size_t out_received_len;
unsigned char *out_expected;
size_t out_expected_len;
/* test specific data */
void *data;
/* Current test should be skipped */
int skip;
};
struct key_list {
char *name;
EVP_PKEY *key;
struct key_list *next;
};
/* Test method structure */
struct evp_test_method {
/* Name of test as it appears in file */
const char *name;
/* Initialise test for "alg" */
int (*init) (struct evp_test * t, const char *alg);
/* Clean up method */
void (*cleanup) (struct evp_test * t);
/* Test specific name value pair processing */
int (*parse) (struct evp_test * t, const char *name, const char *value);
/* Run the test itself */
int (*run_test) (struct evp_test * t);
};
static const struct evp_test_method digest_test_method, cipher_test_method;
static const struct evp_test_method mac_test_method;
static const struct evp_test_method psign_test_method, pverify_test_method;
static const struct evp_test_method pdecrypt_test_method;
static const struct evp_test_method pverify_recover_test_method;
static const struct evp_test_method pderive_test_method;
static const struct evp_test_method pbe_test_method;
static const struct evp_test_method encode_test_method;
static const struct evp_test_method kdf_test_method;
static const struct evp_test_method *evp_test_list[] = {
&digest_test_method,
&cipher_test_method,
&mac_test_method,
&psign_test_method,
&pverify_test_method,
&pdecrypt_test_method,
&pverify_recover_test_method,
&pderive_test_method,
&pbe_test_method,
&encode_test_method,
&kdf_test_method,
NULL
};
static const struct evp_test_method *evp_find_test(const char *name)
{
const struct evp_test_method **tt;
for (tt = evp_test_list; *tt; tt++) {
if (strcmp(name, (*tt)->name) == 0)
return *tt;
}
return NULL;
}
static void hex_print(const char *name, const unsigned char *buf, size_t len)
{
size_t i;
fprintf(stderr, "%s ", name);
for (i = 0; i < len; i++)
fprintf(stderr, "%02X", buf[i]);
fputs("\n", stderr);
}
static void free_expected(struct evp_test *t)
{
OPENSSL_free(t->expected_err);
t->expected_err = NULL;
OPENSSL_free(t->func);
t->func = NULL;
OPENSSL_free(t->reason);
t->reason = NULL;
OPENSSL_free(t->out_expected);
OPENSSL_free(t->out_received);
t->out_expected = NULL;
t->out_received = NULL;
t->out_expected_len = 0;
t->out_received_len = 0;
/* Literals. */
t->err = NULL;
}
static void print_expected(struct evp_test *t)
{
if (t->out_expected == NULL && t->out_received == NULL)
return;
hex_print("Expected:", t->out_expected, t->out_expected_len);
hex_print("Got: ", t->out_received, t->out_received_len);
free_expected(t);
}
static int check_test_error(struct evp_test *t)
{
unsigned long err;
const char *func;
const char *reason;
if (!t->err && !t->expected_err)
return 1;
if (t->err && !t->expected_err) {
if (t->aux_err != NULL) {
fprintf(stderr, "Test line %d(%s): unexpected error %s\n",
t->start_line, t->aux_err, t->err);
} else {
fprintf(stderr, "Test line %d: unexpected error %s\n",
t->start_line, t->err);
}
print_expected(t);
return 0;
}
if (!t->err && t->expected_err) {
fprintf(stderr, "Test line %d: succeeded expecting %s\n",
t->start_line, t->expected_err);
return 0;
}
if (strcmp(t->err, t->expected_err) != 0) {
fprintf(stderr, "Test line %d: expecting %s got %s\n",
t->start_line, t->expected_err, t->err);
return 0;
}
if (t->func == NULL && t->reason == NULL)
return 1;
if (t->func == NULL || t->reason == NULL) {
fprintf(stderr, "Test line %d: missing function or reason code\n",
t->start_line);
return 0;
}
err = ERR_peek_error();
if (err == 0) {
fprintf(stderr, "Test line %d, expected error \"%s:%s\" not set\n",
t->start_line, t->func, t->reason);
return 0;
}
func = ERR_func_error_string(err);
reason = ERR_reason_error_string(err);
if (func == NULL && reason == NULL) {
fprintf(stderr, "Test line %d: expected error \"%s:%s\", no strings available. Skipping...\n",
t->start_line, t->func, t->reason);
return 1;
}
if (strcmp(func, t->func) == 0 && strcmp(reason, t->reason) == 0)
return 1;
fprintf(stderr, "Test line %d: expected error \"%s:%s\", got \"%s:%s\"\n",
t->start_line, t->func, t->reason, func, reason);
return 0;
}
/* Setup a new test, run any existing test */
static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth)
{
/* If we already have a test set up run it */
if (t->meth) {
t->ntests++;
if (t->skip) {
t->nskip++;
} else {
/* run the test */
if (t->err == NULL && t->meth->run_test(t) != 1) {
fprintf(stderr, "%s test error line %d\n",
t->meth->name, t->start_line);
return 0;
}
if (!check_test_error(t)) {
if (t->err)
ERR_print_errors_fp(stderr);
t->errors++;
}
}
/* clean it up */
ERR_clear_error();
if (t->data != NULL) {
t->meth->cleanup(t);
OPENSSL_free(t->data);
t->data = NULL;
}
OPENSSL_free(t->expected_err);
t->expected_err = NULL;
free_expected(t);
}
t->meth = tmeth;
return 1;
}
static int find_key(EVP_PKEY **ppk, const char *name, struct key_list *lst)
{
for (; lst; lst = lst->next) {
if (strcmp(lst->name, name) == 0) {
if (ppk)
*ppk = lst->key;
return 1;
}
}
return 0;
}
static void free_key_list(struct key_list *lst)
{
while (lst != NULL) {
struct key_list *ltmp;
EVP_PKEY_free(lst->key);
OPENSSL_free(lst->name);
ltmp = lst->next;
OPENSSL_free(lst);
lst = ltmp;
}
}
static int check_unsupported()
{
long err = ERR_peek_error();
if (ERR_GET_LIB(err) == ERR_LIB_EVP
&& ERR_GET_REASON(err) == EVP_R_UNSUPPORTED_ALGORITHM) {
ERR_clear_error();
return 1;
}
return 0;
}
static int read_key(struct evp_test *t)
{
char tmpbuf[80];
if (t->key == NULL)
t->key = BIO_new(BIO_s_mem());
else if (BIO_reset(t->key) <= 0)
return 0;
if (t->key == NULL) {
fprintf(stderr, "Error allocating key memory BIO\n");
return 0;
}
/* Read to PEM end line and place content in memory BIO */
while (BIO_gets(t->in, tmpbuf, sizeof(tmpbuf))) {
t->line++;
if (BIO_puts(t->key, tmpbuf) <= 0) {
fprintf(stderr, "Error writing to key memory BIO\n");
return 0;
}
if (strncmp(tmpbuf, "-----END", 8) == 0)
return 1;
}
fprintf(stderr, "Can't find key end\n");
return 0;
}
static int process_test(struct evp_test *t, char *buf, int verbose)
{
char *keyword = NULL, *value = NULL;
int rv = 0, add_key = 0;
struct key_list **lst = NULL, *key = NULL;
EVP_PKEY *pk = NULL;
const struct evp_test_method *tmeth = NULL;
if (verbose)
fputs(buf, stdout);
if (!parse_line(&keyword, &value, buf))
return 1;
if (strcmp(keyword, "PrivateKey") == 0) {
if (!read_key(t))
return 0;
pk = PEM_read_bio_PrivateKey(t->key, NULL, 0, NULL);
if (pk == NULL && !check_unsupported()) {
fprintf(stderr, "Error reading private key %s\n", value);
ERR_print_errors_fp(stderr);
return 0;
}
lst = &t->private;
add_key = 1;
}
if (strcmp(keyword, "PublicKey") == 0) {
if (!read_key(t))
return 0;
pk = PEM_read_bio_PUBKEY(t->key, NULL, 0, NULL);
if (pk == NULL && !check_unsupported()) {
fprintf(stderr, "Error reading public key %s\n", value);
ERR_print_errors_fp(stderr);
return 0;
}
lst = &t->public;
add_key = 1;
}
/* If we have a key add to list */
if (add_key) {
if (find_key(NULL, value, *lst)) {
fprintf(stderr, "Duplicate key %s\n", value);
return 0;
}
key = OPENSSL_malloc(sizeof(*key));
if (!key)
return 0;
key->name = OPENSSL_strdup(value);
key->key = pk;
key->next = *lst;
*lst = key;
return 1;
}
/* See if keyword corresponds to a test start */
tmeth = evp_find_test(keyword);
if (tmeth) {
if (!setup_test(t, tmeth))
return 0;
t->start_line = t->line;
t->skip = 0;
if (!tmeth->init(t, value)) {
fprintf(stderr, "Unknown %s: %s\n", keyword, value);
return 0;
}
return 1;
} else if (t->skip) {
return 1;
} else if (strcmp(keyword, "Result") == 0) {
if (t->expected_err) {
fprintf(stderr, "Line %d: multiple result lines\n", t->line);
return 0;
}
t->expected_err = OPENSSL_strdup(value);
if (t->expected_err == NULL)
return 0;
} else if (strcmp(keyword, "Function") == 0) {
if (t->func != NULL) {
fprintf(stderr, "Line %d: multiple function lines\n", t->line);
return 0;
}
t->func = OPENSSL_strdup(value);
if (t->func == NULL)
return 0;
} else if (strcmp(keyword, "Reason") == 0) {
if (t->reason != NULL) {
fprintf(stderr, "Line %d: multiple reason lines\n", t->line);
return 0;
}
t->reason = OPENSSL_strdup(value);
if (t->reason == NULL)
return 0;
} else {
/* Must be test specific line: try to parse it */
if (t->meth)
rv = t->meth->parse(t, keyword, value);
if (rv == 0)
fprintf(stderr, "line %d: unexpected keyword %s\n",
t->line, keyword);
if (rv < 0)
fprintf(stderr, "line %d: error processing keyword %s\n",
t->line, keyword);
if (rv <= 0)
return 0;
}
return 1;
}
static int check_var_length_output(struct evp_test *t,
const unsigned char *expected,
size_t expected_len,
const unsigned char *received,
size_t received_len)
{
if (expected_len == received_len &&
memcmp(expected, received, expected_len) == 0) {
return 0;
}
/* The result printing code expects a non-NULL buffer. */
t->out_expected = OPENSSL_memdup(expected, expected_len ? expected_len : 1);
t->out_expected_len = expected_len;
t->out_received = OPENSSL_memdup(received, received_len ? received_len : 1);
t->out_received_len = received_len;
if (t->out_expected == NULL || t->out_received == NULL) {
fprintf(stderr, "Memory allocation error!\n");
exit(1);
}
return 1;
}
static int check_output(struct evp_test *t,
const unsigned char *expected,
const unsigned char *received,
size_t len)
{
return check_var_length_output(t, expected, len, received, len);
}
int main(int argc, char **argv)
{
BIO *in = NULL;
char buf[10240];
struct evp_test t;
if (argc != 2) {
fprintf(stderr, "usage: evp_test testfile.txt\n");
return 1;
}
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
memset(&t, 0, sizeof(t));
t.start_line = -1;
in = BIO_new_file(argv[1], "r");
if (in == NULL) {
fprintf(stderr, "Can't open %s for reading\n", argv[1]);
return 1;
}
t.in = in;
t.err = NULL;
while (BIO_gets(in, buf, sizeof(buf))) {
t.line++;
if (!process_test(&t, buf, 0))
exit(1);
}
/* Run any final test we have */
if (!setup_test(&t, NULL))
exit(1);
fprintf(stderr, "%d tests completed with %d errors, %d skipped\n",
t.ntests, t.errors, t.nskip);
free_key_list(t.public);
free_key_list(t.private);
BIO_free(t.key);
BIO_free(in);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks_fp(stderr) <= 0)
return 1;
#endif
if (t.errors)
return 1;
return 0;
}
static void test_free(void *d)
{
OPENSSL_free(d);
}
/* Message digest tests */
struct digest_data {
/* Digest this test is for */
const EVP_MD *digest;
/* Input to digest */
unsigned char *input;
size_t input_len;
/* Repeat count for input */
size_t nrpt;
/* Expected output */
unsigned char *output;
size_t output_len;
};
static int digest_test_init(struct evp_test *t, const char *alg)
{
const EVP_MD *digest;
struct digest_data *mdat;
digest = EVP_get_digestbyname(alg);
if (!digest) {
/* If alg has an OID assume disabled algorithm */
if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
t->skip = 1;
return 1;
}
return 0;
}
mdat = OPENSSL_malloc(sizeof(*mdat));
mdat->digest = digest;
mdat->input = NULL;
mdat->output = NULL;
mdat->nrpt = 1;
t->data = mdat;
return 1;
}
static void digest_test_cleanup(struct evp_test *t)
{
struct digest_data *mdat = t->data;
test_free(mdat->input);
test_free(mdat->output);
}
static int digest_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct digest_data *mdata = t->data;
if (strcmp(keyword, "Input") == 0)
return test_bin(value, &mdata->input, &mdata->input_len);
if (strcmp(keyword, "Output") == 0)
return test_bin(value, &mdata->output, &mdata->output_len);
if (strcmp(keyword, "Count") == 0) {
long nrpt = atoi(value);
if (nrpt <= 0)
return 0;
mdata->nrpt = (size_t)nrpt;
return 1;
}
return 0;
}
static int digest_test_run(struct evp_test *t)
{
struct digest_data *mdata = t->data;
size_t i;
const char *err = "INTERNAL_ERROR";
EVP_MD_CTX *mctx;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int md_len;
mctx = EVP_MD_CTX_new();
if (!mctx)
goto err;
err = "DIGESTINIT_ERROR";
if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL))
goto err;
err = "DIGESTUPDATE_ERROR";
for (i = 0; i < mdata->nrpt; i++) {
if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len))
goto err;
}
err = "DIGESTFINAL_ERROR";
if (!EVP_DigestFinal(mctx, md, &md_len))
goto err;
err = "DIGEST_LENGTH_MISMATCH";
if (md_len != mdata->output_len)
goto err;
err = "DIGEST_MISMATCH";
if (check_output(t, mdata->output, md, md_len))
goto err;
err = NULL;
err:
EVP_MD_CTX_free(mctx);
t->err = err;
return 1;
}
static const struct evp_test_method digest_test_method = {
"Digest",
digest_test_init,
digest_test_cleanup,
digest_test_parse,
digest_test_run
};
/* Cipher tests */
struct cipher_data {
const EVP_CIPHER *cipher;
int enc;
/* EVP_CIPH_GCM_MODE, EVP_CIPH_CCM_MODE or EVP_CIPH_OCB_MODE if AEAD */
int aead;
unsigned char *key;
size_t key_len;
unsigned char *iv;
size_t iv_len;
unsigned char *plaintext;
size_t plaintext_len;
unsigned char *ciphertext;
size_t ciphertext_len;
/* GCM, CCM only */
unsigned char *aad;
size_t aad_len;
unsigned char *tag;
size_t tag_len;
};
static int cipher_test_init(struct evp_test *t, const char *alg)
{
const EVP_CIPHER *cipher;
struct cipher_data *cdat = t->data;
cipher = EVP_get_cipherbyname(alg);
if (!cipher) {
/* If alg has an OID assume disabled algorithm */
if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
t->skip = 1;
return 1;
}
return 0;
}
cdat = OPENSSL_malloc(sizeof(*cdat));
cdat->cipher = cipher;
cdat->enc = -1;
cdat->key = NULL;
cdat->iv = NULL;
cdat->ciphertext = NULL;
cdat->plaintext = NULL;
cdat->aad = NULL;
cdat->tag = NULL;
t->data = cdat;
if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE
|| EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE
|| EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE)
cdat->aead = EVP_CIPHER_mode(cipher);
else if (EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
cdat->aead = -1;
else
cdat->aead = 0;
return 1;
}
static void cipher_test_cleanup(struct evp_test *t)
{
struct cipher_data *cdat = t->data;
test_free(cdat->key);
test_free(cdat->iv);
test_free(cdat->ciphertext);
test_free(cdat->plaintext);
test_free(cdat->aad);
test_free(cdat->tag);
}
static int cipher_test_parse(struct evp_test *t, const char *keyword,
const char *value)
{
struct cipher_data *cdat = t->data;
if (strcmp(keyword, "Key") == 0)
return test_bin(value, &cdat->key, &cdat->key_len);
if (strcmp(keyword, "IV") == 0)
return test_bin(value, &cdat->iv, &cdat->iv_len);
if (strcmp(keyword, "Plaintext") == 0)
return test_bin(value, &cdat->plaintext, &cdat->plaintext_len);
if (strcmp(keyword, "Ciphertext") == 0)
return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
if (cdat->aead) {
if (strcmp(keyword, "AAD") == 0)
return test_bin(value, &cdat->aad, &cdat->aad_len);
if (strcmp(keyword, "Tag") == 0)
return test_bin(value, &cdat->tag, &cdat->tag_len);
}
if (strcmp(keyword, "Operation") == 0) {
if (strcmp(value, "ENCRYPT") == 0)
cdat->enc = 1;
else if (strcmp(value, "DECRYPT") == 0)
cdat->enc = 0;
else
return 0;
return 1;
}
return 0;
}
static int cipher_test_enc(struct evp_test *t, int enc,
size_t out_misalign, size_t inp_misalign, int frag)
{
struct cipher_data *cdat = t->data;
unsigned char *in, *out, *tmp = NULL;
size_t in_len, out_len, donelen = 0;
int tmplen, chunklen, tmpflen;
EVP_CIPHER_CTX *ctx = NULL;
const char *err;
err = "INTERNAL_ERROR";
ctx = EVP_CIPHER_CTX_new();
if (!ctx)
goto err;
EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
if (enc) {
in = cdat->plaintext;
in_len = cdat->plaintext_len;
out = cdat->ciphertext;
out_len = cdat->ciphertext_len;
} else {
in = cdat->ciphertext;
in_len = cdat->ciphertext_len;
out = cdat->plaintext;
out_len = cdat->plaintext_len;
}
if (inp_misalign == (size_t)-1) {
/*
* Exercise in-place encryption
*/
tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH);
if (!tmp)
goto err;
in = memcpy(tmp + out_misalign, in, in_len);
} else {
inp_misalign += 16 - ((out_misalign + in_len) & 15);
/*
* 'tmp' will store both output and copy of input. We make the copy
* of input to specifically aligned part of 'tmp'. So we just
* figured out how much padding would ensure the required alignment,
* now we allocate extended buffer and finally copy the input just
* past inp_misalign in expression below. Output will be written
* past out_misalign...
*/
tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +
inp_misalign + in_len);
if (!tmp)
goto err;
in = memcpy(tmp + out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +
inp_misalign, in, in_len);
}
err = "CIPHERINIT_ERROR";
if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))
goto err;
err = "INVALID_IV_LENGTH";
if (cdat->iv) {
if (cdat->aead) {
if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,
cdat->iv_len, 0))
goto err;
} else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
goto err;
}
if (cdat->aead) {
unsigned char *tag;
/*
* If encrypting or OCB just set tag length initially, otherwise
* set tag length and value.
*/
if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {
err = "TAG_LENGTH_SET_ERROR";
tag = NULL;
} else {
err = "TAG_SET_ERROR";
tag = cdat->tag;
}
if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {
if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
cdat->tag_len, tag))
goto err;
}
}
err = "INVALID_KEY_LENGTH";
if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))
goto err;
err = "KEY_SET_ERROR";
if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))
goto err;
if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {
if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
cdat->tag_len, cdat->tag)) {
err = "TAG_SET_ERROR";
goto err;
}
}
if (cdat->aead == EVP_CIPH_CCM_MODE) {
if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
goto err;
}
}
if (cdat->aad) {
err = "AAD_SET_ERROR";
if (!frag) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad,
cdat->aad_len))
goto err;
} else {
/*
* Supply the AAD in chunks less than the block size where possible
*/
if (cdat->aad_len > 0) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad, 1))
goto err;
donelen++;
}
if (cdat->aad_len > 2) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad + donelen,
cdat->aad_len - 2))
goto err;
donelen += cdat->aad_len - 2;
}
if (cdat->aad_len > 1
&& !EVP_CipherUpdate(ctx, NULL, &chunklen,
cdat->aad + donelen, 1))
goto err;
}
}
EVP_CIPHER_CTX_set_padding(ctx, 0);
err = "CIPHERUPDATE_ERROR";
tmplen = 0;
if (!frag) {
/* We supply the data all in one go */
if (!EVP_CipherUpdate(ctx, tmp + out_misalign, &tmplen, in, in_len))
goto err;
} else {
/* Supply the data in chunks less than the block size where possible */
if (in_len > 0) {
if (!EVP_CipherUpdate(ctx, tmp + out_misalign, &chunklen, in, 1))
goto err;
tmplen += chunklen;
in++;
in_len--;
}
if (in_len > 1) {
if (!EVP_CipherUpdate(ctx, tmp + out_misalign + tmplen, &chunklen,
in, in_len - 1))
goto err;
tmplen += chunklen;
in += in_len - 1;
in_len = 1;
}
if (in_len > 0 ) {
if (!EVP_CipherUpdate(ctx, tmp + out_misalign + tmplen, &chunklen,
in, 1))
goto err;
tmplen += chunklen;
}
}
err = "CIPHERFINAL_ERROR";
if (!EVP_CipherFinal_ex(ctx, tmp + out_misalign + tmplen, &tmpflen))
goto err;
err = "LENGTH_MISMATCH";
if (out_len != (size_t)(tmplen + tmpflen))
goto err;
err = "VALUE_MISMATCH";
if (check_output(t, out, tmp + out_misalign, out_len))
goto err;
if (enc && cdat->aead) {
unsigned char rtag[16];
if (cdat->tag_len > sizeof(rtag)) {
err = "TAG_LENGTH_INTERNAL_ERROR";
goto err;
}
if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
cdat->tag_len, rtag)) {
err = "TAG_RETRIEVE_ERROR";
goto err;
}
if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {
err = "TAG_VALUE_MISMATCH";
goto err;
}
}
err = NULL;
err:
OPENSSL_free(tmp);
EVP_CIPHER_CTX_free(ctx);
t->err = err;
return err ? 0 : 1;
}
static int cipher_test_run(struct evp_test *t)
{
struct cipher_data *cdat = t->data;
int rv, frag = 0;
size_t out_misalign, inp_misalign;
if (!cdat->key) {
t->err = "NO_KEY";
return 0;
}
if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) {
/* IV is optional and usually omitted in wrap mode */
if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) {
t->err = "NO_IV";
return 0;
}
}
if (cdat->aead && !cdat->tag) {
t->err = "NO_TAG";
return 0;
}
for (out_misalign = 0; out_misalign <= 1;) {
static char aux_err[64];
t->aux_err = aux_err;
for (inp_misalign = (size_t)-1; inp_misalign != 2; inp_misalign++) {
if (inp_misalign == (size_t)-1) {
/* kludge: inp_misalign == -1 means "exercise in-place" */
BIO_snprintf(aux_err, sizeof(aux_err),
"%s in-place, %sfragmented",
out_misalign ? "misaligned" : "aligned",
frag ? "" : "not ");
} else {
BIO_snprintf(aux_err, sizeof(aux_err),
"%s output and %s input, %sfragmented",
out_misalign ? "misaligned" : "aligned",
inp_misalign ? "misaligned" : "aligned",
frag ? "" : "not ");
}
if (cdat->enc) {
rv = cipher_test_enc(t, 1, out_misalign, inp_misalign, frag);
/* Not fatal errors: return */
if (rv != 1) {
if (rv < 0)
return 0;
return 1;
}
}
if (cdat->enc != 1) {
rv = cipher_test_enc(t, 0, out_misalign, inp_misalign, frag);
/* Not fatal errors: return */
if (rv != 1) {
if (rv < 0)
return 0;
return 1;
}
}
}
if (out_misalign == 1 && frag == 0) {
/*
* XTS, CCM and Wrap modes have special requirements about input
* lengths so we don't fragment for those
*/
if (cdat->aead == EVP_CIPH_CCM_MODE
|| EVP_CIPHER_mode(cdat->cipher) == EVP_CIPH_XTS_MODE
|| EVP_CIPHER_mode(cdat->cipher) == EVP_CIPH_WRAP_MODE)
break;
out_misalign = 0;
frag++;
} else {
out_misalign++;
}
}
t->aux_err = NULL;
return 1;
}
static const struct evp_test_method cipher_test_method = {
"Cipher",
cipher_test_init,
cipher_test_cleanup,
cipher_test_parse,
cipher_test_run
};
struct mac_data {
/* MAC type */
int type;
/* Algorithm string for this MAC */
char *alg;
/* MAC key */
unsigned char *key;
size_t key_len;
/* Input to MAC */
unsigned char *input;
size_t input_len;
/* Expected output */
unsigned char *output;
size_t output_len;
};
static int mac_test_init(struct evp_test *t, const char *alg)
{
int type;
struct mac_data *mdat;
if (strcmp(alg, "HMAC") == 0) {
type = EVP_PKEY_HMAC;
} else if (strcmp(alg, "CMAC") == 0) {
#ifndef OPENSSL_NO_CMAC
type = EVP_PKEY_CMAC;
#else
t->skip = 1;
return 1;
#endif
} else if (strcmp(alg, "Poly1305") == 0) {
#ifndef OPENSSL_NO_POLY1305
type = EVP_PKEY_POLY1305;
#else
t->skip = 1;
return 1;
#endif
} else if (strcmp(alg, "SipHash") == 0) {
#ifndef OPENSSL_NO_SIPHASH
type = EVP_PKEY_SIPHASH;
#else
t->skip = 1;
return 1;
#endif
} else
return 0;
mdat = OPENSSL_malloc(sizeof(*mdat));
mdat->type = type;
mdat->alg = NULL;
mdat->key = NULL;
mdat->input = NULL;
mdat->output = NULL;
t->data = mdat;
return 1;
}
static void mac_test_cleanup(struct evp_test *t)
{
struct mac_data *mdat = t->data;
test_free(mdat->alg);
test_free(mdat->key);
test_free(mdat->input);
test_free(mdat->output);
}
static int mac_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct mac_data *mdata = t->data;
if (strcmp(keyword, "Key") == 0)
return test_bin(value, &mdata->key, &mdata->key_len);
if (strcmp(keyword, "Algorithm") == 0) {
mdata->alg = OPENSSL_strdup(value);
if (!mdata->alg)
return 0;
return 1;
}
if (strcmp(keyword, "Input") == 0)
return test_bin(value, &mdata->input, &mdata->input_len);
if (strcmp(keyword, "Output") == 0)
return test_bin(value, &mdata->output, &mdata->output_len);
return 0;
}
static int mac_test_run(struct evp_test *t)
{
struct mac_data *mdata = t->data;
const char *err = "INTERNAL_ERROR";
EVP_MD_CTX *mctx = NULL;
EVP_PKEY_CTX *pctx = NULL, *genctx = NULL;
EVP_PKEY *key = NULL;
const EVP_MD *md = NULL;
unsigned char *mac = NULL;
size_t mac_len;
#ifdef OPENSSL_NO_DES
if (mdata->alg != NULL && strstr(mdata->alg, "DES") != NULL) {
/* Skip DES */
err = NULL;
goto err;
}
#endif
err = "MAC_PKEY_CTX_ERROR";
genctx = EVP_PKEY_CTX_new_id(mdata->type, NULL);
if (!genctx)
goto err;
err = "MAC_KEYGEN_INIT_ERROR";
if (EVP_PKEY_keygen_init(genctx) <= 0)
goto err;
if (mdata->type == EVP_PKEY_CMAC) {
err = "MAC_ALGORITHM_SET_ERROR";
if (EVP_PKEY_CTX_ctrl_str(genctx, "cipher", mdata->alg) <= 0)
goto err;
}
err = "MAC_KEY_SET_ERROR";
if (EVP_PKEY_CTX_set_mac_key(genctx, mdata->key, mdata->key_len) <= 0)
goto err;
err = "MAC_KEY_GENERATE_ERROR";
if (EVP_PKEY_keygen(genctx, &key) <= 0)
goto err;
if (mdata->type == EVP_PKEY_HMAC) {
err = "MAC_ALGORITHM_SET_ERROR";
md = EVP_get_digestbyname(mdata->alg);
if (!md)
goto err;
}
mctx = EVP_MD_CTX_new();
if (!mctx)
goto err;
err = "DIGESTSIGNINIT_ERROR";
if (!EVP_DigestSignInit(mctx, &pctx, md, NULL, key))
goto err;
err = "DIGESTSIGNUPDATE_ERROR";
if (!EVP_DigestSignUpdate(mctx, mdata->input, mdata->input_len))
goto err;
err = "DIGESTSIGNFINAL_LENGTH_ERROR";
if (!EVP_DigestSignFinal(mctx, NULL, &mac_len))
goto err;
mac = OPENSSL_malloc(mac_len);
if (!mac) {
fprintf(stderr, "Error allocating mac buffer!\n");
exit(1);
}
if (!EVP_DigestSignFinal(mctx, mac, &mac_len))
goto err;
err = "MAC_LENGTH_MISMATCH";
if (mac_len != mdata->output_len)
goto err;
err = "MAC_MISMATCH";
if (check_output(t, mdata->output, mac, mac_len))
goto err;
err = NULL;
err:
EVP_MD_CTX_free(mctx);
OPENSSL_free(mac);
EVP_PKEY_CTX_free(genctx);
EVP_PKEY_free(key);
t->err = err;
return 1;
}
static const struct evp_test_method mac_test_method = {
"MAC",
mac_test_init,
mac_test_cleanup,
mac_test_parse,
mac_test_run
};
/*
* Public key operations. These are all very similar and can share
* a lot of common code.
*/
struct pkey_data {
/* Context for this operation */
EVP_PKEY_CTX *ctx;
/* Key operation to perform */
int (*keyop) (EVP_PKEY_CTX *ctx,
unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbslen);
/* Input to MAC */
unsigned char *input;
size_t input_len;
/* Expected output */
unsigned char *output;
size_t output_len;
};
/*
* Perform public key operation setup: lookup key, allocated ctx and call
* the appropriate initialisation function
*/
static int pkey_test_init(struct evp_test *t, const char *name,
int use_public,
int (*keyopinit) (EVP_PKEY_CTX *ctx),
int (*keyop) (EVP_PKEY_CTX *ctx,
unsigned char *sig, size_t *siglen,
const unsigned char *tbs,
size_t tbslen)
)
{
struct pkey_data *kdata;
EVP_PKEY *pkey = NULL;
int rv = 0;
if (use_public)
rv = find_key(&pkey, name, t->public);
if (!rv)
rv = find_key(&pkey, name, t->private);
if (!rv || pkey == NULL) {
t->skip = 1;
return 1;
}
kdata = OPENSSL_malloc(sizeof(*kdata));
if (!kdata) {
EVP_PKEY_free(pkey);
return 0;
}
kdata->ctx = NULL;
kdata->input = NULL;
kdata->output = NULL;
kdata->keyop = keyop;
t->data = kdata;
kdata->ctx = EVP_PKEY_CTX_new(pkey, NULL);
if (!kdata->ctx)
return 0;
if (keyopinit(kdata->ctx) <= 0)
t->err = "KEYOP_INIT_ERROR";
return 1;
}
static void pkey_test_cleanup(struct evp_test *t)
{
struct pkey_data *kdata = t->data;
OPENSSL_free(kdata->input);
OPENSSL_free(kdata->output);
EVP_PKEY_CTX_free(kdata->ctx);
}
static int pkey_test_ctrl(struct evp_test *t, EVP_PKEY_CTX *pctx,
const char *value)
{
int rv;
char *p, *tmpval;
tmpval = OPENSSL_strdup(value);
if (tmpval == NULL)
return 0;
p = strchr(tmpval, ':');
if (p != NULL)
*p++ = 0;
rv = EVP_PKEY_CTX_ctrl_str(pctx, tmpval, p);
if (rv == -2) {
t->err = "PKEY_CTRL_INVALID";
rv = 1;
} else if (p != NULL && rv <= 0) {
/* If p has an OID and lookup fails assume disabled algorithm */
int nid = OBJ_sn2nid(p);
if (nid == NID_undef)
nid = OBJ_ln2nid(p);
if ((nid != NID_undef) && EVP_get_digestbynid(nid) == NULL &&
EVP_get_cipherbynid(nid) == NULL) {
t->skip = 1;
rv = 1;
} else {
t->err = "PKEY_CTRL_ERROR";
rv = 1;
}
}
OPENSSL_free(tmpval);
return rv > 0;
}
static int pkey_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pkey_data *kdata = t->data;
if (strcmp(keyword, "Input") == 0)
return test_bin(value, &kdata->input, &kdata->input_len);
if (strcmp(keyword, "Output") == 0)
return test_bin(value, &kdata->output, &kdata->output_len);
if (strcmp(keyword, "Ctrl") == 0)
return pkey_test_ctrl(t, kdata->ctx, value);
return 0;
}
static int pkey_test_run(struct evp_test *t)
{
struct pkey_data *kdata = t->data;
unsigned char *out = NULL;
size_t out_len;
const char *err = "KEYOP_LENGTH_ERROR";
if (kdata->keyop(kdata->ctx, NULL, &out_len, kdata->input,
kdata->input_len) <= 0)
goto err;
out = OPENSSL_malloc(out_len);
if (!out) {
fprintf(stderr, "Error allocating output buffer!\n");
exit(1);
}
err = "KEYOP_ERROR";
if (kdata->keyop
(kdata->ctx, out, &out_len, kdata->input, kdata->input_len) <= 0)
goto err;
err = "KEYOP_LENGTH_MISMATCH";
if (out_len != kdata->output_len)
goto err;
err = "KEYOP_MISMATCH";
if (check_output(t, kdata->output, out, out_len))
goto err;
err = NULL;
err:
OPENSSL_free(out);
t->err = err;
return 1;
}
static int sign_test_init(struct evp_test *t, const char *name)
{
return pkey_test_init(t, name, 0, EVP_PKEY_sign_init, EVP_PKEY_sign);
}
static const struct evp_test_method psign_test_method = {
"Sign",
sign_test_init,
pkey_test_cleanup,
pkey_test_parse,
pkey_test_run
};
static int verify_recover_test_init(struct evp_test *t, const char *name)
{
return pkey_test_init(t, name, 1, EVP_PKEY_verify_recover_init,
EVP_PKEY_verify_recover);
}
static const struct evp_test_method pverify_recover_test_method = {
"VerifyRecover",
verify_recover_test_init,
pkey_test_cleanup,
pkey_test_parse,
pkey_test_run
};
static int decrypt_test_init(struct evp_test *t, const char *name)
{
return pkey_test_init(t, name, 0, EVP_PKEY_decrypt_init,
EVP_PKEY_decrypt);
}
static const struct evp_test_method pdecrypt_test_method = {
"Decrypt",
decrypt_test_init,
pkey_test_cleanup,
pkey_test_parse,
pkey_test_run
};
static int verify_test_init(struct evp_test *t, const char *name)
{
return pkey_test_init(t, name, 1, EVP_PKEY_verify_init, 0);
}
static int verify_test_run(struct evp_test *t)
{
struct pkey_data *kdata = t->data;
if (EVP_PKEY_verify(kdata->ctx, kdata->output, kdata->output_len,
kdata->input, kdata->input_len) <= 0)
t->err = "VERIFY_ERROR";
return 1;
}
static const struct evp_test_method pverify_test_method = {
"Verify",
verify_test_init,
pkey_test_cleanup,
pkey_test_parse,
verify_test_run
};
static int pderive_test_init(struct evp_test *t, const char *name)
{
return pkey_test_init(t, name, 0, EVP_PKEY_derive_init, 0);
}
static int pderive_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pkey_data *kdata = t->data;
if (strcmp(keyword, "PeerKey") == 0) {
EVP_PKEY *peer;
if (find_key(&peer, value, t->public) == 0)
return 0;
if (EVP_PKEY_derive_set_peer(kdata->ctx, peer) <= 0)
return 0;
return 1;
}
if (strcmp(keyword, "SharedSecret") == 0)
return test_bin(value, &kdata->output, &kdata->output_len);
if (strcmp(keyword, "Ctrl") == 0)
return pkey_test_ctrl(t, kdata->ctx, value);
return 0;
}
static int pderive_test_run(struct evp_test *t)
{
struct pkey_data *kdata = t->data;
unsigned char *out = NULL;
size_t out_len;
const char *err = "INTERNAL_ERROR";
out_len = kdata->output_len;
out = OPENSSL_malloc(out_len);
if (!out) {
fprintf(stderr, "Error allocating output buffer!\n");
exit(1);
}
err = "DERIVE_ERROR";
if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
goto err;
err = "SHARED_SECRET_LENGTH_MISMATCH";
if (out_len != kdata->output_len)
goto err;
err = "SHARED_SECRET_MISMATCH";
if (check_output(t, kdata->output, out, out_len))
goto err;
err = NULL;
err:
OPENSSL_free(out);
t->err = err;
return 1;
}
static const struct evp_test_method pderive_test_method = {
"Derive",
pderive_test_init,
pkey_test_cleanup,
pderive_test_parse,
pderive_test_run
};
/* PBE tests */
#define PBE_TYPE_SCRYPT 1
#define PBE_TYPE_PBKDF2 2
#define PBE_TYPE_PKCS12 3
struct pbe_data {
int pbe_type;
/* scrypt parameters */
uint64_t N, r, p, maxmem;
/* PKCS#12 parameters */
int id, iter;
const EVP_MD *md;
/* password */
unsigned char *pass;
size_t pass_len;
/* salt */
unsigned char *salt;
size_t salt_len;
/* Expected output */
unsigned char *key;
size_t key_len;
};
#ifndef OPENSSL_NO_SCRYPT
static int scrypt_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pbe_data *pdata = t->data;
if (strcmp(keyword, "N") == 0)
return test_uint64(value, &pdata->N);
if (strcmp(keyword, "p") == 0)
return test_uint64(value, &pdata->p);
if (strcmp(keyword, "r") == 0)
return test_uint64(value, &pdata->r);
if (strcmp(keyword, "maxmem") == 0)
return test_uint64(value, &pdata->maxmem);
return 0;
}
#endif
static int pbkdf2_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pbe_data *pdata = t->data;
if (strcmp(keyword, "iter") == 0) {
pdata->iter = atoi(value);
if (pdata->iter <= 0)
return 0;
return 1;
}
if (strcmp(keyword, "MD") == 0) {
pdata->md = EVP_get_digestbyname(value);
if (pdata->md == NULL)
return 0;
return 1;
}
return 0;
}
static int pkcs12_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pbe_data *pdata = t->data;
if (strcmp(keyword, "id") == 0) {
pdata->id = atoi(value);
if (pdata->id <= 0)
return 0;
return 1;
}
return pbkdf2_test_parse(t, keyword, value);
}
static int pbe_test_init(struct evp_test *t, const char *alg)
{
struct pbe_data *pdat;
int pbe_type = 0;
if (strcmp(alg, "scrypt") == 0) {
#ifndef OPENSSL_NO_SCRYPT
pbe_type = PBE_TYPE_SCRYPT;
#else
t->skip = 1;
return 1;
#endif
} else if (strcmp(alg, "pbkdf2") == 0) {
pbe_type = PBE_TYPE_PBKDF2;
} else if (strcmp(alg, "pkcs12") == 0) {
pbe_type = PBE_TYPE_PKCS12;
} else {
fprintf(stderr, "Unknown pbe algorithm %s\n", alg);
}
pdat = OPENSSL_malloc(sizeof(*pdat));
pdat->pbe_type = pbe_type;
pdat->pass = NULL;
pdat->salt = NULL;
pdat->N = 0;
pdat->r = 0;
pdat->p = 0;
pdat->maxmem = 0;
pdat->id = 0;
pdat->iter = 0;
pdat->md = NULL;
t->data = pdat;
return 1;
}
static void pbe_test_cleanup(struct evp_test *t)
{
struct pbe_data *pdat = t->data;
test_free(pdat->pass);
test_free(pdat->salt);
test_free(pdat->key);
}
static int pbe_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct pbe_data *pdata = t->data;
if (strcmp(keyword, "Password") == 0)
return test_bin(value, &pdata->pass, &pdata->pass_len);
if (strcmp(keyword, "Salt") == 0)
return test_bin(value, &pdata->salt, &pdata->salt_len);
if (strcmp(keyword, "Key") == 0)
return test_bin(value, &pdata->key, &pdata->key_len);
if (pdata->pbe_type == PBE_TYPE_PBKDF2)
return pbkdf2_test_parse(t, keyword, value);
else if (pdata->pbe_type == PBE_TYPE_PKCS12)
return pkcs12_test_parse(t, keyword, value);
#ifndef OPENSSL_NO_SCRYPT
else if (pdata->pbe_type == PBE_TYPE_SCRYPT)
return scrypt_test_parse(t, keyword, value);
#endif
return 0;
}
static int pbe_test_run(struct evp_test *t)
{
struct pbe_data *pdata = t->data;
const char *err = "INTERNAL_ERROR";
unsigned char *key;
key = OPENSSL_malloc(pdata->key_len);
if (!key)
goto err;
if (pdata->pbe_type == PBE_TYPE_PBKDF2) {
err = "PBKDF2_ERROR";
if (PKCS5_PBKDF2_HMAC((char *)pdata->pass, pdata->pass_len,
pdata->salt, pdata->salt_len,
pdata->iter, pdata->md,
pdata->key_len, key) == 0)
goto err;
#ifndef OPENSSL_NO_SCRYPT
} else if (pdata->pbe_type == PBE_TYPE_SCRYPT) {
err = "SCRYPT_ERROR";
if (EVP_PBE_scrypt((const char *)pdata->pass, pdata->pass_len,
pdata->salt, pdata->salt_len,
pdata->N, pdata->r, pdata->p, pdata->maxmem,
key, pdata->key_len) == 0)
goto err;
#endif
} else if (pdata->pbe_type == PBE_TYPE_PKCS12) {
err = "PKCS12_ERROR";
if (PKCS12_key_gen_uni(pdata->pass, pdata->pass_len,
pdata->salt, pdata->salt_len,
pdata->id, pdata->iter, pdata->key_len,
key, pdata->md) == 0)
goto err;
}
err = "KEY_MISMATCH";
if (check_output(t, pdata->key, key, pdata->key_len))
goto err;
err = NULL;
err:
OPENSSL_free(key);
t->err = err;
return 1;
}
static const struct evp_test_method pbe_test_method = {
"PBE",
pbe_test_init,
pbe_test_cleanup,
pbe_test_parse,
pbe_test_run
};
/* Base64 tests */
typedef enum {
BASE64_CANONICAL_ENCODING = 0,
BASE64_VALID_ENCODING = 1,
BASE64_INVALID_ENCODING = 2
} base64_encoding_type;
struct encode_data {
/* Input to encoding */
unsigned char *input;
size_t input_len;
/* Expected output */
unsigned char *output;
size_t output_len;
base64_encoding_type encoding;
};
static int encode_test_init(struct evp_test *t, const char *encoding)
{
struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
if (strcmp(encoding, "canonical") == 0) {
edata->encoding = BASE64_CANONICAL_ENCODING;
} else if (strcmp(encoding, "valid") == 0) {
edata->encoding = BASE64_VALID_ENCODING;
} else if (strcmp(encoding, "invalid") == 0) {
edata->encoding = BASE64_INVALID_ENCODING;
t->expected_err = OPENSSL_strdup("DECODE_ERROR");
if (t->expected_err == NULL)
return 0;
} else {
fprintf(stderr, "Bad encoding: %s. Should be one of "
"{canonical, valid, invalid}\n", encoding);
return 0;
}
t->data = edata;
return 1;
}
static void encode_test_cleanup(struct evp_test *t)
{
struct encode_data *edata = t->data;
test_free(edata->input);
test_free(edata->output);
memset(edata, 0, sizeof(*edata));
}
static int encode_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct encode_data *edata = t->data;
if (strcmp(keyword, "Input") == 0)
return test_bin(value, &edata->input, &edata->input_len);
if (strcmp(keyword, "Output") == 0)
return test_bin(value, &edata->output, &edata->output_len);
return 0;
}
static int encode_test_run(struct evp_test *t)
{
struct encode_data *edata = t->data;
unsigned char *encode_out = NULL, *decode_out = NULL;
int output_len, chunk_len;
const char *err = "INTERNAL_ERROR";
EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
if (decode_ctx == NULL)
goto err;
if (edata->encoding == BASE64_CANONICAL_ENCODING) {
EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
if (encode_ctx == NULL)
goto err;
encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
if (encode_out == NULL)
goto err;
EVP_EncodeInit(encode_ctx);
EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
edata->input, edata->input_len);
output_len = chunk_len;
EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
output_len += chunk_len;
EVP_ENCODE_CTX_free(encode_ctx);
if (check_var_length_output(t, edata->output, edata->output_len,
encode_out, output_len)) {
err = "BAD_ENCODING";
goto err;
}
}
decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
if (decode_out == NULL)
goto err;
EVP_DecodeInit(decode_ctx);
if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
edata->output_len) < 0) {
err = "DECODE_ERROR";
goto err;
}
output_len = chunk_len;
if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
err = "DECODE_ERROR";
goto err;
}
output_len += chunk_len;
if (edata->encoding != BASE64_INVALID_ENCODING &&
check_var_length_output(t, edata->input, edata->input_len,
decode_out, output_len)) {
err = "BAD_DECODING";
goto err;
}
err = NULL;
err:
t->err = err;
OPENSSL_free(encode_out);
OPENSSL_free(decode_out);
EVP_ENCODE_CTX_free(decode_ctx);
return 1;
}
static const struct evp_test_method encode_test_method = {
"Encoding",
encode_test_init,
encode_test_cleanup,
encode_test_parse,
encode_test_run,
};
/* KDF operations */
struct kdf_data {
/* Context for this operation */
EVP_PKEY_CTX *ctx;
/* Expected output */
unsigned char *output;
size_t output_len;
};
/*
* Perform public key operation setup: lookup key, allocated ctx and call
* the appropriate initialisation function
*/
static int kdf_test_init(struct evp_test *t, const char *name)
{
struct kdf_data *kdata;
kdata = OPENSSL_malloc(sizeof(*kdata));
if (kdata == NULL)
return 0;
kdata->ctx = NULL;
kdata->output = NULL;
t->data = kdata;
kdata->ctx = EVP_PKEY_CTX_new_id(OBJ_sn2nid(name), NULL);
if (kdata->ctx == NULL)
return 0;
if (EVP_PKEY_derive_init(kdata->ctx) <= 0)
return 0;
return 1;
}
static void kdf_test_cleanup(struct evp_test *t)
{
struct kdf_data *kdata = t->data;
OPENSSL_free(kdata->output);
EVP_PKEY_CTX_free(kdata->ctx);
}
static int kdf_test_parse(struct evp_test *t,
const char *keyword, const char *value)
{
struct kdf_data *kdata = t->data;
if (strcmp(keyword, "Output") == 0)
return test_bin(value, &kdata->output, &kdata->output_len);
if (strncmp(keyword, "Ctrl", 4) == 0)
return pkey_test_ctrl(t, kdata->ctx, value);
return 0;
}
static int kdf_test_run(struct evp_test *t)
{
struct kdf_data *kdata = t->data;
unsigned char *out = NULL;
size_t out_len = kdata->output_len;
const char *err = "INTERNAL_ERROR";
out = OPENSSL_malloc(out_len);
if (!out) {
fprintf(stderr, "Error allocating output buffer!\n");
exit(1);
}
err = "KDF_DERIVE_ERROR";
if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
goto err;
err = "KDF_LENGTH_MISMATCH";
if (out_len != kdata->output_len)
goto err;
err = "KDF_MISMATCH";
if (check_output(t, kdata->output, out, out_len))
goto err;
err = NULL;
err:
OPENSSL_free(out);
t->err = err;
return 1;
}
static const struct evp_test_method kdf_test_method = {
"KDF",
kdf_test_init,
kdf_test_cleanup,
kdf_test_parse,
kdf_test_run
};
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