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evp_test.c
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/*
* Copyright 2015-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* 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
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#define OPENSSL_SUPPRESS_DEPRECATED /* EVP_PKEY_new_CMAC_key */
#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/provider.h>
#include <openssl/x509v3.h>
#include <openssl/pkcs12.h>
#include <openssl/kdf.h>
#include <openssl/params.h>
#include <openssl/core_names.h>
#include <openssl/fips_names.h>
#include <openssl/thread.h>
#include "internal/numbers.h"
#include "internal/nelem.h"
#include "crypto/evp.h"
#include "testutil.h"
typedef struct evp_test_buffer_st EVP_TEST_BUFFER;
DEFINE_STACK_OF(EVP_TEST_BUFFER)
#define AAD_NUM 4
typedef struct evp_test_method_st EVP_TEST_METHOD;
/* Structure holding test information */
typedef struct evp_test_st {
STANZA s; /* Common test stanza */
char *name;
int skip; /* Current test should be skipped */
const EVP_TEST_METHOD *meth; /* method for this test */
const char *err, *aux_err; /* Error string for test */
char *expected_err; /* Expected error value of test */
char *reason; /* Expected error reason string */
void *data; /* test specific data */
} EVP_TEST;
/* Test method structure */
struct evp_test_method_st {
/* Name of test as it appears in file */
const char *name;
/* Initialise test for "alg" */
int (*init) (EVP_TEST *t, const char *alg);
/* Clean up method */
void (*cleanup) (EVP_TEST *t);
/* Test specific name value pair processing */
int (*parse) (EVP_TEST *t, const char *name, const char *value);
/* Run the test itself */
int (*run_test) (EVP_TEST *t);
};
/* Linked list of named keys. */
typedef struct key_list_st {
char *name;
EVP_PKEY *key;
struct key_list_st *next;
} KEY_LIST;
typedef enum OPTION_choice {
OPT_ERR = -1,
OPT_EOF = 0,
OPT_CONFIG_FILE,
OPT_IN_PLACE,
OPT_PROVIDER_NAME,
OPT_PROV_PROPQUERY,
OPT_TEST_ENUM
} OPTION_CHOICE;
static OSSL_PROVIDER *prov_null = NULL;
static OSSL_PROVIDER *libprov = NULL;
static OSSL_LIB_CTX *libctx = NULL;
/* List of public and private keys */
static KEY_LIST *private_keys;
static KEY_LIST *public_keys;
static int find_key(EVP_PKEY **ppk, const char *name, KEY_LIST *lst);
static int parse_bin(const char *value, unsigned char **buf, size_t *buflen);
static int is_digest_disabled(const char *name);
static int is_pkey_disabled(const char *name);
static int is_mac_disabled(const char *name);
static int is_cipher_disabled(const char *name);
static int is_kdf_disabled(const char *name);
/*
* Compare two memory regions for equality, returning zero if they differ.
* However, if there is expected to be an error and the actual error
* matches then the memory is expected to be different so handle this
* case without producing unnecessary test framework output.
*/
static int memory_err_compare(EVP_TEST *t, const char *err,
const void *expected, size_t expected_len,
const void *got, size_t got_len)
{
int r;
if (t->expected_err != NULL && strcmp(t->expected_err, err) == 0)
r = !TEST_mem_ne(expected, expected_len, got, got_len);
else
r = TEST_mem_eq(expected, expected_len, got, got_len);
if (!r)
t->err = err;
return r;
}
/* Option specific for evp test */
static int process_mode_in_place;
static const char *propquery = NULL;
static int evp_test_process_mode(char *mode)
{
if (strcmp(mode, "in_place") == 0)
return 1;
else if (strcmp(mode, "both") == 0)
return 0;
return -1;
}
/*
* Structure used to hold a list of blocks of memory to test
* calls to "update" like functions.
*/
struct evp_test_buffer_st {
unsigned char *buf;
size_t buflen;
size_t count;
int count_set;
};
static void evp_test_buffer_free(EVP_TEST_BUFFER *db)
{
if (db != NULL) {
OPENSSL_free(db->buf);
OPENSSL_free(db);
}
}
/* append buffer to a list */
static int evp_test_buffer_append(const char *value,
STACK_OF(EVP_TEST_BUFFER) **sk)
{
EVP_TEST_BUFFER *db = NULL;
if (!TEST_ptr(db = OPENSSL_malloc(sizeof(*db))))
goto err;
if (!parse_bin(value, &db->buf, &db->buflen))
goto err;
db->count = 1;
db->count_set = 0;
if (*sk == NULL && !TEST_ptr(*sk = sk_EVP_TEST_BUFFER_new_null()))
goto err;
if (!sk_EVP_TEST_BUFFER_push(*sk, db))
goto err;
return 1;
err:
evp_test_buffer_free(db);
return 0;
}
/* replace last buffer in list with copies of itself */
static int evp_test_buffer_ncopy(const char *value,
STACK_OF(EVP_TEST_BUFFER) *sk)
{
EVP_TEST_BUFFER *db;
unsigned char *tbuf, *p;
size_t tbuflen;
int ncopy = atoi(value);
int i;
if (ncopy <= 0)
return 0;
if (sk == NULL || sk_EVP_TEST_BUFFER_num(sk) == 0)
return 0;
db = sk_EVP_TEST_BUFFER_value(sk, sk_EVP_TEST_BUFFER_num(sk) - 1);
tbuflen = db->buflen * ncopy;
if (!TEST_ptr(tbuf = OPENSSL_malloc(tbuflen)))
return 0;
for (i = 0, p = tbuf; i < ncopy; i++, p += db->buflen)
memcpy(p, db->buf, db->buflen);
OPENSSL_free(db->buf);
db->buf = tbuf;
db->buflen = tbuflen;
return 1;
}
/* set repeat count for last buffer in list */
static int evp_test_buffer_set_count(const char *value,
STACK_OF(EVP_TEST_BUFFER) *sk)
{
EVP_TEST_BUFFER *db;
int count = atoi(value);
if (count <= 0)
return 0;
if (sk == NULL || sk_EVP_TEST_BUFFER_num(sk) == 0)
return 0;
db = sk_EVP_TEST_BUFFER_value(sk, sk_EVP_TEST_BUFFER_num(sk) - 1);
if (db->count_set != 0)
return 0;
db->count = (size_t)count;
db->count_set = 1;
return 1;
}
/* call "fn" with each element of the list in turn */
static int evp_test_buffer_do(STACK_OF(EVP_TEST_BUFFER) *sk,
int (*fn)(void *ctx,
const unsigned char *buf,
size_t buflen),
void *ctx)
{
int i;
for (i = 0; i < sk_EVP_TEST_BUFFER_num(sk); i++) {
EVP_TEST_BUFFER *tb = sk_EVP_TEST_BUFFER_value(sk, i);
size_t j;
for (j = 0; j < tb->count; j++) {
if (fn(ctx, tb->buf, tb->buflen) <= 0)
return 0;
}
}
return 1;
}
/*
* Unescape some sequences in string literals (only \n for now).
* Return an allocated buffer, set |out_len|. If |input_len|
* is zero, get an empty buffer but set length to zero.
*/
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. */
if (!TEST_ptr(ret = p = OPENSSL_malloc(input_len)))
return NULL;
for (i = 0; i < input_len; i++) {
if (*input == '\\') {
if (i == input_len - 1 || *++input != 'n') {
TEST_error("Bad escape sequence in file");
goto err;
}
*p++ = '\n';
i++;
input++;
} else {
*p++ = *input++;
}
}
*out_len = p - ret;
return ret;
err:
OPENSSL_free(ret);
return NULL;
}
/*
* For a hex string "value" convert to a binary allocated buffer.
* Return 1 on success or 0 on failure.
*/
static int parse_bin(const char *value, unsigned char **buf, size_t *buflen)
{
long len;
/* Check for NULL literal */
if (strcmp(value, "NULL") == 0) {
*buf = NULL;
*buflen = 0;
return 1;
}
/* Check for empty value */
if (*value == '\0') {
/*
* 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 == NULL)
return 0;
**buf = 0;
*buflen = 0;
return 1;
}
/* Check for string literal */
if (value[0] == '"') {
size_t vlen = strlen(++value);
if (vlen == 0 || value[vlen - 1] != '"')
return 0;
vlen--;
*buf = unescape(value, vlen, buflen);
return *buf == NULL ? 0 : 1;
}
/* Otherwise assume as hex literal and convert it to binary buffer */
if (!TEST_ptr(*buf = OPENSSL_hexstr2buf(value, &len))) {
TEST_info("Can't convert %s", value);
TEST_openssl_errors();
return -1;
}
/* Size of input buffer means we'll never overflow */
*buflen = len;
return 1;
}
/**
** MESSAGE DIGEST TESTS
**/
typedef struct digest_data_st {
/* Digest this test is for */
const EVP_MD *digest;
EVP_MD *fetched_digest;
/* Input to digest */
STACK_OF(EVP_TEST_BUFFER) *input;
/* Expected output */
unsigned char *output;
size_t output_len;
/* Padding type */
int pad_type;
/* XOF mode? */
int xof;
} DIGEST_DATA;
static int digest_test_init(EVP_TEST *t, const char *alg)
{
DIGEST_DATA *mdat;
const EVP_MD *digest;
EVP_MD *fetched_digest;
if (is_digest_disabled(alg)) {
TEST_info("skipping, '%s' is disabled", alg);
t->skip = 1;
return 1;
}
if ((digest = fetched_digest = EVP_MD_fetch(libctx, alg, propquery)) == NULL
&& (digest = EVP_get_digestbyname(alg)) == NULL)
return 0;
if (!TEST_ptr(mdat = OPENSSL_zalloc(sizeof(*mdat))))
return 0;
t->data = mdat;
mdat->digest = digest;
mdat->fetched_digest = fetched_digest;
mdat->pad_type = 0;
mdat->xof = 0;
if (fetched_digest != NULL)
TEST_info("%s is fetched", alg);
return 1;
}
static void digest_test_cleanup(EVP_TEST *t)
{
DIGEST_DATA *mdat = t->data;
sk_EVP_TEST_BUFFER_pop_free(mdat->input, evp_test_buffer_free);
OPENSSL_free(mdat->output);
EVP_MD_free(mdat->fetched_digest);
}
static int digest_test_parse(EVP_TEST *t,
const char *keyword, const char *value)
{
DIGEST_DATA *mdata = t->data;
if (strcmp(keyword, "Input") == 0)
return evp_test_buffer_append(value, &mdata->input);
if (strcmp(keyword, "Output") == 0)
return parse_bin(value, &mdata->output, &mdata->output_len);
if (strcmp(keyword, "Count") == 0)
return evp_test_buffer_set_count(value, mdata->input);
if (strcmp(keyword, "Ncopy") == 0)
return evp_test_buffer_ncopy(value, mdata->input);
if (strcmp(keyword, "Padding") == 0)
return (mdata->pad_type = atoi(value)) > 0;
if (strcmp(keyword, "XOF") == 0)
return (mdata->xof = atoi(value)) > 0;
return 0;
}
static int digest_update_fn(void *ctx, const unsigned char *buf, size_t buflen)
{
return EVP_DigestUpdate(ctx, buf, buflen);
}
static int test_duplicate_md_ctx(EVP_TEST *t, EVP_MD_CTX *mctx)
{
char dont[] = "touch";
if (!TEST_ptr(mctx))
return 0;
if (!EVP_DigestFinalXOF(mctx, (unsigned char *)dont, 0)) {
EVP_MD_CTX_free(mctx);
t->err = "DIGESTFINALXOF_ERROR";
return 0;
}
if (!TEST_str_eq(dont, "touch")) {
EVP_MD_CTX_free(mctx);
t->err = "DIGESTFINALXOF_ERROR";
return 0;
}
EVP_MD_CTX_free(mctx);
return 1;
}
static int digest_test_run(EVP_TEST *t)
{
DIGEST_DATA *expected = t->data;
EVP_TEST_BUFFER *inbuf;
EVP_MD_CTX *mctx;
unsigned char *got = NULL;
unsigned int got_len;
size_t size = 0;
int xof = 0;
OSSL_PARAM params[3], *p = ¶ms[0];
t->err = "TEST_FAILURE";
if (!TEST_ptr(mctx = EVP_MD_CTX_new()))
goto err;
got = OPENSSL_malloc(expected->output_len > EVP_MAX_MD_SIZE ?
expected->output_len : EVP_MAX_MD_SIZE);
if (!TEST_ptr(got))
goto err;
if (expected->xof > 0) {
xof |= 1;
*p++ = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_XOFLEN,
&expected->output_len);
}
if (expected->pad_type > 0)
*p++ = OSSL_PARAM_construct_int(OSSL_DIGEST_PARAM_PAD_TYPE,
&expected->pad_type);
*p++ = OSSL_PARAM_construct_end();
if (!EVP_DigestInit_ex2(mctx, expected->digest, params)) {
t->err = "DIGESTINIT_ERROR";
goto err;
}
if (!evp_test_buffer_do(expected->input, digest_update_fn, mctx)) {
t->err = "DIGESTUPDATE_ERROR";
goto err;
}
xof |= (EVP_MD_get_flags(expected->digest) & EVP_MD_FLAG_XOF) != 0;
if (xof) {
EVP_MD_CTX *mctx_cpy;
if (!TEST_ptr(mctx_cpy = EVP_MD_CTX_new())) {
goto err;
}
if (!TEST_true(EVP_MD_CTX_copy(mctx_cpy, mctx))) {
EVP_MD_CTX_free(mctx_cpy);
goto err;
} else if (!test_duplicate_md_ctx(t, mctx_cpy)) {
goto err;
}
if (!test_duplicate_md_ctx(t, EVP_MD_CTX_dup(mctx)))
goto err;
got_len = expected->output_len;
if (!EVP_DigestFinalXOF(mctx, got, got_len)) {
t->err = "DIGESTFINALXOF_ERROR";
goto err;
}
} else {
if (!EVP_DigestFinal(mctx, got, &got_len)) {
t->err = "DIGESTFINAL_ERROR";
goto err;
}
}
if (!TEST_int_eq(expected->output_len, got_len)) {
t->err = "DIGEST_LENGTH_MISMATCH";
goto err;
}
if (!memory_err_compare(t, "DIGEST_MISMATCH",
expected->output, expected->output_len,
got, got_len))
goto err;
t->err = NULL;
/* Test the EVP_Q_digest interface as well */
if (sk_EVP_TEST_BUFFER_num(expected->input) == 1
&& !xof
/* This should never fail but we need the returned pointer now */
&& !TEST_ptr(inbuf = sk_EVP_TEST_BUFFER_value(expected->input, 0))
&& !inbuf->count_set) {
OPENSSL_cleanse(got, got_len);
if (!TEST_true(EVP_Q_digest(libctx,
EVP_MD_get0_name(expected->fetched_digest),
NULL, inbuf->buf, inbuf->buflen,
got, &size))
|| !TEST_mem_eq(got, size,
expected->output, expected->output_len)) {
t->err = "EVP_Q_digest failed";
goto err;
}
}
err:
OPENSSL_free(got);
EVP_MD_CTX_free(mctx);
return 1;
}
static const EVP_TEST_METHOD digest_test_method = {
"Digest",
digest_test_init,
digest_test_cleanup,
digest_test_parse,
digest_test_run
};
/**
*** CIPHER TESTS
**/
typedef struct cipher_data_st {
const EVP_CIPHER *cipher;
EVP_CIPHER *fetched_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;
size_t key_bits; /* Used by RC2 */
unsigned char *iv;
unsigned char *next_iv; /* Expected IV state after operation */
unsigned int rounds;
size_t iv_len;
unsigned char *plaintext;
size_t plaintext_len;
unsigned char *ciphertext;
size_t ciphertext_len;
/* AEAD ciphers only */
unsigned char *aad[AAD_NUM];
size_t aad_len[AAD_NUM];
int tls_aad;
int tls_version;
unsigned char *tag;
const char *cts_mode;
size_t tag_len;
int tag_late;
unsigned char *mac_key;
size_t mac_key_len;
const char *xts_standard;
} CIPHER_DATA;
static int cipher_test_init(EVP_TEST *t, const char *alg)
{
const EVP_CIPHER *cipher;
EVP_CIPHER *fetched_cipher;
CIPHER_DATA *cdat;
int m;
if (is_cipher_disabled(alg)) {
t->skip = 1;
TEST_info("skipping, '%s' is disabled", alg);
return 1;
}
ERR_set_mark();
if ((cipher = fetched_cipher = EVP_CIPHER_fetch(libctx, alg, propquery)) == NULL
&& (cipher = EVP_get_cipherbyname(alg)) == NULL) {
/* a stitched cipher might not be available */
if (strstr(alg, "HMAC") != NULL) {
ERR_pop_to_mark();
t->skip = 1;
TEST_info("skipping, '%s' is not available", alg);
return 1;
}
ERR_clear_last_mark();
return 0;
}
ERR_clear_last_mark();
if (!TEST_ptr(cdat = OPENSSL_zalloc(sizeof(*cdat))))
return 0;
cdat->cipher = cipher;
cdat->fetched_cipher = fetched_cipher;
cdat->enc = -1;
m = EVP_CIPHER_get_mode(cipher);
if (EVP_CIPHER_get_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
cdat->aead = m != 0 ? m : -1;
else
cdat->aead = 0;
t->data = cdat;
if (fetched_cipher != NULL)
TEST_info("%s is fetched", alg);
return 1;
}
static void cipher_test_cleanup(EVP_TEST *t)
{
int i;
CIPHER_DATA *cdat = t->data;
OPENSSL_free(cdat->key);
OPENSSL_free(cdat->iv);
OPENSSL_free(cdat->next_iv);
OPENSSL_free(cdat->ciphertext);
OPENSSL_free(cdat->plaintext);
for (i = 0; i < AAD_NUM; i++)
OPENSSL_free(cdat->aad[i]);
OPENSSL_free(cdat->tag);
OPENSSL_free(cdat->mac_key);
EVP_CIPHER_free(cdat->fetched_cipher);
}
static int cipher_test_parse(EVP_TEST *t, const char *keyword,
const char *value)
{
CIPHER_DATA *cdat = t->data;
int i;
if (strcmp(keyword, "Key") == 0)
return parse_bin(value, &cdat->key, &cdat->key_len);
if (strcmp(keyword, "Rounds") == 0) {
i = atoi(value);
if (i < 0)
return -1;
cdat->rounds = (unsigned int)i;
return 1;
}
if (strcmp(keyword, "IV") == 0)
return parse_bin(value, &cdat->iv, &cdat->iv_len);
if (strcmp(keyword, "NextIV") == 0)
return parse_bin(value, &cdat->next_iv, &cdat->iv_len);
if (strcmp(keyword, "Plaintext") == 0)
return parse_bin(value, &cdat->plaintext, &cdat->plaintext_len);
if (strcmp(keyword, "Ciphertext") == 0)
return parse_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
if (strcmp(keyword, "KeyBits") == 0) {
i = atoi(value);
if (i < 0)
return -1;
cdat->key_bits = (size_t)i;
return 1;
}
if (cdat->aead) {
int tls_aad = 0;
if (strcmp(keyword, "TLSAAD") == 0)
cdat->tls_aad = tls_aad = 1;
if (strcmp(keyword, "AAD") == 0 || tls_aad) {
for (i = 0; i < AAD_NUM; i++) {
if (cdat->aad[i] == NULL)
return parse_bin(value, &cdat->aad[i], &cdat->aad_len[i]);
}
return -1;
}
if (strcmp(keyword, "Tag") == 0)
return parse_bin(value, &cdat->tag, &cdat->tag_len);
if (strcmp(keyword, "SetTagLate") == 0) {
if (strcmp(value, "TRUE") == 0)
cdat->tag_late = 1;
else if (strcmp(value, "FALSE") == 0)
cdat->tag_late = 0;
else
return -1;
return 1;
}
if (strcmp(keyword, "MACKey") == 0)
return parse_bin(value, &cdat->mac_key, &cdat->mac_key_len);
if (strcmp(keyword, "TLSVersion") == 0) {
char *endptr;
cdat->tls_version = (int)strtol(value, &endptr, 0);
return value[0] != '\0' && endptr[0] == '\0';
}
}
if (strcmp(keyword, "Operation") == 0) {
if (strcmp(value, "ENCRYPT") == 0)
cdat->enc = 1;
else if (strcmp(value, "DECRYPT") == 0)
cdat->enc = 0;
else
return -1;
return 1;
}
if (strcmp(keyword, "CTSMode") == 0) {
cdat->cts_mode = value;
return 1;
}
if (strcmp(keyword, "XTSStandard") == 0) {
cdat->xts_standard = value;
return 1;
}
return 0;
}
static int cipher_test_enc(EVP_TEST *t, int enc, size_t out_misalign,
size_t inp_misalign, int frag, int in_place)
{
CIPHER_DATA *expected = t->data;
unsigned char *in, *expected_out, *tmp = NULL;
size_t in_len, out_len, donelen = 0;
int ok = 0, tmplen, chunklen, tmpflen, i;
EVP_CIPHER_CTX *ctx_base = NULL;
EVP_CIPHER_CTX *ctx = NULL, *duped;
int fips_dupctx_supported = fips_provider_version_ge(libctx, 3, 2, 0);
t->err = "TEST_FAILURE";
if (!TEST_ptr(ctx_base = EVP_CIPHER_CTX_new()))
goto err;
if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
goto err;
EVP_CIPHER_CTX_set_flags(ctx_base, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
if (enc) {
in = expected->plaintext;
in_len = expected->plaintext_len;
expected_out = expected->ciphertext;
out_len = expected->ciphertext_len;
} else {
in = expected->ciphertext;
in_len = expected->ciphertext_len;
expected_out = expected->plaintext;
out_len = expected->plaintext_len;
}
if (in_place == 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);
}
if (!EVP_CipherInit_ex(ctx_base, expected->cipher, NULL, NULL, NULL, enc)) {
t->err = "CIPHERINIT_ERROR";
goto err;
}
if (expected->cts_mode != NULL) {
OSSL_PARAM params[2];
params[0] = OSSL_PARAM_construct_utf8_string(OSSL_CIPHER_PARAM_CTS_MODE,
(char *)expected->cts_mode,
0);
params[1] = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_set_params(ctx_base, params)) {
t->err = "INVALID_CTS_MODE";
goto err;
}
}
if (expected->iv) {
if (expected->aead) {
if (EVP_CIPHER_CTX_ctrl(ctx_base, EVP_CTRL_AEAD_SET_IVLEN,
expected->iv_len, 0) <= 0) {
t->err = "INVALID_IV_LENGTH";
goto err;
}
} else if (expected->iv_len != (size_t)EVP_CIPHER_CTX_get_iv_length(ctx_base)) {
t->err = "INVALID_IV_LENGTH";
goto err;
}
}
if (expected->aead && !expected->tls_aad) {
unsigned char *tag;
/*
* If encrypting or OCB just set tag length initially, otherwise
* set tag length and value.
*/
if (enc || expected->aead == EVP_CIPH_OCB_MODE || expected->tag_late) {
t->err = "TAG_LENGTH_SET_ERROR";
tag = NULL;
} else {
t->err = "TAG_SET_ERROR";
tag = expected->tag;
}
if (tag || expected->aead != EVP_CIPH_GCM_MODE) {
if (EVP_CIPHER_CTX_ctrl(ctx_base, EVP_CTRL_AEAD_SET_TAG,
expected->tag_len, tag) <= 0)
goto err;
}
}
if (expected->rounds > 0) {
int rounds = (int)expected->rounds;
if (EVP_CIPHER_CTX_ctrl(ctx_base, EVP_CTRL_SET_RC5_ROUNDS, rounds, NULL) <= 0) {
t->err = "INVALID_ROUNDS";
goto err;
}
}
if (!EVP_CIPHER_CTX_set_key_length(ctx_base, expected->key_len)) {
t->err = "INVALID_KEY_LENGTH";
goto err;
}
if (expected->key_bits > 0) {
int bits = (int)expected->key_bits;
if (EVP_CIPHER_CTX_ctrl(ctx_base, EVP_CTRL_SET_RC2_KEY_BITS, bits, NULL) <= 0) {
t->err = "INVALID KEY BITS";
goto err;
}
}
if (!EVP_CipherInit_ex(ctx_base, NULL, NULL, expected->key, expected->iv, -1)) {
t->err = "KEY_SET_ERROR";
goto err;
}
/* Check that we get the same IV back */
if (expected->iv != NULL) {
/* Some (e.g., GCM) tests use IVs longer than EVP_MAX_IV_LENGTH. */
unsigned char iv[128];
if (!TEST_true(EVP_CIPHER_CTX_get_updated_iv(ctx_base, iv, sizeof(iv)))
|| ((EVP_CIPHER_get_flags(expected->cipher) & EVP_CIPH_CUSTOM_IV) == 0
&& !TEST_mem_eq(expected->iv, expected->iv_len, iv,
expected->iv_len))) {
t->err = "INVALID_IV";
goto err;
}
}
/* Test that the cipher dup functions correctly if it is supported */
ERR_set_mark();
if (!EVP_CIPHER_CTX_copy(ctx, ctx_base)) {
if (fips_dupctx_supported) {
TEST_info("Doing a copy of Cipher %s Fails!\n",
EVP_CIPHER_get0_name(expected->cipher));
ERR_print_errors_fp(stderr);
goto err;
} else {
TEST_info("Allowing copy fail as an old fips provider is in use.");
}
EVP_CIPHER_CTX_free(ctx);
ctx = ctx_base;
} else {
EVP_CIPHER_CTX_free(ctx_base);
ctx_base = NULL;
}
/* Likewise for dup */
duped = EVP_CIPHER_CTX_dup(ctx);
if (duped != NULL) {
EVP_CIPHER_CTX_free(ctx);
ctx = duped;
} else {
if (fips_dupctx_supported) {
TEST_info("Doing a dup of Cipher %s Fails!\n",
EVP_CIPHER_get0_name(expected->cipher));
ERR_print_errors_fp(stderr);
goto err;
} else {
TEST_info("Allowing dup fail as an old fips provider is in use.");
}
}
ERR_pop_to_mark();
if (expected->mac_key != NULL
&& EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_MAC_KEY,
(int)expected->mac_key_len,
(void *)expected->mac_key) <= 0) {
t->err = "SET_MAC_KEY_ERROR";
goto err;
}
if (expected->tls_version) {
OSSL_PARAM params[2];
params[0] = OSSL_PARAM_construct_int(OSSL_CIPHER_PARAM_TLS_VERSION,
&expected->tls_version);
params[1] = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_set_params(ctx, params)) {
t->err = "SET_TLS_VERSION_ERROR";
goto err;
}
}
if (expected->aead == EVP_CIPH_CCM_MODE) {
if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
t->err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
goto err;
}
}
if (expected->aad[0] != NULL && !expected->tls_aad) {
t->err = "AAD_SET_ERROR";
if (!frag) {
for (i = 0; expected->aad[i] != NULL; i++) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen, expected->aad[i],
expected->aad_len[i]))
goto err;
}
} else {
/*
* Supply the AAD in chunks less than the block size where possible
*/
for (i = 0; expected->aad[i] != NULL; i++) {
if (expected->aad_len[i] > 0) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen, expected->aad[i], 1))
goto err;
donelen++;
}
if (expected->aad_len[i] > 2) {
if (!EVP_CipherUpdate(ctx, NULL, &chunklen,
expected->aad[i] + donelen,
expected->aad_len[i] - 2))
goto err;
donelen += expected->aad_len[i] - 2;
}
if (expected->aad_len[i] > 1
&& !EVP_CipherUpdate(ctx, NULL, &chunklen,
expected->aad[i] + donelen, 1))
goto err;
}
}
}
if (expected->tls_aad) {
OSSL_PARAM params[2];
char *tls_aad;
/* duplicate the aad as the implementation might modify it */
if ((tls_aad = OPENSSL_memdup(expected->aad[0],
expected->aad_len[0])) == NULL)
goto err;
params[0] = OSSL_PARAM_construct_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD,
tls_aad,
expected->aad_len[0]);
params[1] = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_set_params(ctx, params)) {
OPENSSL_free(tls_aad);
t->err = "TLS1_AAD_ERROR";
goto err;
}
OPENSSL_free(tls_aad);
} else if (!enc && (expected->aead == EVP_CIPH_OCB_MODE
|| expected->tag_late)) {
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
expected->tag_len, expected->tag) <= 0) {
t->err = "TAG_SET_ERROR";
goto err;
}
}
if (expected->xts_standard != NULL) {
OSSL_PARAM params[2];
params[0] =
OSSL_PARAM_construct_utf8_string(OSSL_CIPHER_PARAM_XTS_STANDARD,
(char *)expected->xts_standard, 0);
params[1] = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_set_params(ctx, params)) {
t->err = "SET_XTS_STANDARD_ERROR";
goto err;
}