diff options
Diffstat (limited to 'test/bio_enc_test.c')
| -rw-r--r-- | test/bio_enc_test.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/test/bio_enc_test.c b/test/bio_enc_test.c new file mode 100644 index 000000000000..accb74e7df41 --- /dev/null +++ b/test/bio_enc_test.c @@ -0,0 +1,266 @@ +/* + * Copyright 2016-2022 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 + */ +#include <stdio.h> +#include <string.h> +#include <openssl/evp.h> +#include <openssl/bio.h> +#include <openssl/rand.h> + +#include "testutil.h" + +#define ENCRYPT 1 +#define DECRYPT 0 + +#define DATA_SIZE 1024 +#define MAX_IV 32 +#define BUF_SIZE (DATA_SIZE + MAX_IV) + +static const unsigned char KEY[] = { + 0x51, 0x50, 0xd1, 0x77, 0x2f, 0x50, 0x83, 0x4a, + 0x50, 0x3e, 0x06, 0x9a, 0x97, 0x3f, 0xbd, 0x7c, + 0xe6, 0x1c, 0x43, 0x2b, 0x72, 0x0b, 0x19, 0xd1, + 0x8e, 0xc8, 0xd8, 0x4b, 0xdc, 0x63, 0x15, 0x1b +}; + +static const unsigned char IV[] = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 +}; + +static int do_bio_cipher(const EVP_CIPHER* cipher, const unsigned char* key, + const unsigned char* iv) +{ + BIO *b, *mem; + static unsigned char inp[BUF_SIZE] = { 0 }; + unsigned char out[BUF_SIZE], ref[BUF_SIZE]; + int i, lref, len; + + /* Fill buffer with non-zero data so that over steps can be detected */ + if (!TEST_int_gt(RAND_bytes(inp, DATA_SIZE), 0)) + return 0; + + /* Encrypt tests */ + + /* reference output for single-chunk operation */ + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, ENCRYPT))) + goto err; + mem = BIO_new_mem_buf(inp, DATA_SIZE); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + lref = BIO_read(b, ref, sizeof(ref)); + BIO_free_all(b); + + /* perform split operations and compare to reference */ + for (i = 1; i < lref; i++) { + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, ENCRYPT))) { + TEST_info("Split encrypt failed @ operation %d", i); + goto err; + } + mem = BIO_new_mem_buf(inp, DATA_SIZE); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + memset(out, 0, sizeof(out)); + out[i] = ~ref[i]; + len = BIO_read(b, out, i); + /* check for overstep */ + if (!TEST_uchar_eq(out[i], (unsigned char)~ref[i])) { + TEST_info("Encrypt overstep check failed @ operation %d", i); + goto err; + } + len += BIO_read(b, out + len, sizeof(out) - len); + BIO_free_all(b); + + if (!TEST_mem_eq(out, len, ref, lref)) { + TEST_info("Encrypt compare failed @ operation %d", i); + return 0; + } + } + + /* perform small-chunk operations and compare to reference */ + for (i = 1; i < lref / 2; i++) { + int delta; + + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, ENCRYPT))) { + TEST_info("Small chunk encrypt failed @ operation %d", i); + goto err; + } + mem = BIO_new_mem_buf(inp, DATA_SIZE); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + memset(out, 0, sizeof(out)); + for (len = 0; (delta = BIO_read(b, out + len, i)); ) { + len += delta; + } + BIO_free_all(b); + + if (!TEST_mem_eq(out, len, ref, lref)) { + TEST_info("Small chunk encrypt compare failed @ operation %d", i); + return 0; + } + } + + /* Decrypt tests */ + + /* reference output for single-chunk operation */ + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, DECRYPT))) + goto err; + /* Use original reference output as input */ + mem = BIO_new_mem_buf(ref, lref); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + (void)BIO_flush(b); + memset(out, 0, sizeof(out)); + len = BIO_read(b, out, sizeof(out)); + BIO_free_all(b); + + if (!TEST_mem_eq(inp, DATA_SIZE, out, len)) + return 0; + + /* perform split operations and compare to reference */ + for (i = 1; i < lref; i++) { + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, DECRYPT))) { + TEST_info("Split decrypt failed @ operation %d", i); + goto err; + } + mem = BIO_new_mem_buf(ref, lref); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + memset(out, 0, sizeof(out)); + out[i] = ~ref[i]; + len = BIO_read(b, out, i); + /* check for overstep */ + if (!TEST_uchar_eq(out[i], (unsigned char)~ref[i])) { + TEST_info("Decrypt overstep check failed @ operation %d", i); + goto err; + } + len += BIO_read(b, out + len, sizeof(out) - len); + BIO_free_all(b); + + if (!TEST_mem_eq(inp, DATA_SIZE, out, len)) { + TEST_info("Decrypt compare failed @ operation %d", i); + return 0; + } + } + + /* perform small-chunk operations and compare to reference */ + for (i = 1; i < lref / 2; i++) { + int delta; + + b = BIO_new(BIO_f_cipher()); + if (!TEST_ptr(b)) + return 0; + if (!TEST_true(BIO_set_cipher(b, cipher, key, iv, DECRYPT))) { + TEST_info("Small chunk decrypt failed @ operation %d", i); + goto err; + } + mem = BIO_new_mem_buf(ref, lref); + if (!TEST_ptr(mem)) + goto err; + BIO_push(b, mem); + memset(out, 0, sizeof(out)); + for (len = 0; (delta = BIO_read(b, out + len, i)); ) { + len += delta; + } + BIO_free_all(b); + + if (!TEST_mem_eq(inp, DATA_SIZE, out, len)) { + TEST_info("Small chunk decrypt compare failed @ operation %d", i); + return 0; + } + } + + return 1; + +err: + BIO_free_all(b); + return 0; +} + +static int do_test_bio_cipher(const EVP_CIPHER* cipher, int idx) +{ + switch(idx) + { + case 0: + return do_bio_cipher(cipher, KEY, NULL); + case 1: + return do_bio_cipher(cipher, KEY, IV); + } + return 0; +} + +static int test_bio_enc_aes_128_cbc(int idx) +{ + return do_test_bio_cipher(EVP_aes_128_cbc(), idx); +} + +static int test_bio_enc_aes_128_ctr(int idx) +{ + return do_test_bio_cipher(EVP_aes_128_ctr(), idx); +} + +static int test_bio_enc_aes_256_cfb(int idx) +{ + return do_test_bio_cipher(EVP_aes_256_cfb(), idx); +} + +static int test_bio_enc_aes_256_ofb(int idx) +{ + return do_test_bio_cipher(EVP_aes_256_ofb(), idx); +} + +# ifndef OPENSSL_NO_CHACHA +static int test_bio_enc_chacha20(int idx) +{ + return do_test_bio_cipher(EVP_chacha20(), idx); +} + +# ifndef OPENSSL_NO_POLY1305 +static int test_bio_enc_chacha20_poly1305(int idx) +{ + return do_test_bio_cipher(EVP_chacha20_poly1305(), idx); +} +# endif +# endif + +int setup_tests(void) +{ + ADD_ALL_TESTS(test_bio_enc_aes_128_cbc, 2); + ADD_ALL_TESTS(test_bio_enc_aes_128_ctr, 2); + ADD_ALL_TESTS(test_bio_enc_aes_256_cfb, 2); + ADD_ALL_TESTS(test_bio_enc_aes_256_ofb, 2); +# ifndef OPENSSL_NO_CHACHA + ADD_ALL_TESTS(test_bio_enc_chacha20, 2); +# ifndef OPENSSL_NO_POLY1305 + ADD_ALL_TESTS(test_bio_enc_chacha20_poly1305, 2); +# endif +# endif + return 1; +} |