diff options
Diffstat (limited to 'test/bio_enc_test.c')
-rw-r--r-- | test/bio_enc_test.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/test/bio_enc_test.c b/test/bio_enc_test.c new file mode 100644 index 0000000000..ce5531846a --- /dev/null +++ b/test/bio_enc_test.c @@ -0,0 +1,140 @@ +/* + * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ +#include <stdio.h> +#include <string.h> +#include <openssl/evp.h> +#include <openssl/bio.h> + +int main() +{ + BIO *b; + static const unsigned char key[16] = { 0 }; + static unsigned char inp[1024] = { 0 }; + unsigned char out[1024], ref[1024]; + int i, lref, len; + + b = BIO_new(BIO_f_cipher()); + if (!BIO_set_cipher(b, EVP_camellia_128_ctr(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + lref = BIO_read(b, inp, sizeof(inp)); + BIO_free_all(b); + + /* + * Exercise CBC cipher + */ + + /* reference output for single-chunk operation */ + b = BIO_new(BIO_f_cipher()); + if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + 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 (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + memset(out, 0, sizeof(out)); + out[i] = ~ref[i]; + len = BIO_read(b, out, i); + /* check for overstep */ + if (out[i] != (unsigned char)~ref[i]) { + fprintf(stderr, "CBC output overstep@%d\n", i); + return 1; + } + len += BIO_read(b, out + len, sizeof(out) - len); + BIO_free_all(b); + + if (len != lref || memcmp(out, ref, len)) { + fprintf(stderr, "CBC output mismatch@%d\n", i); + return 2; + } + } + + /* perform small-chunk operations and compare to reference */ + for (i = 1; i < lref / 2; i++) { + int delta; + + b = BIO_new(BIO_f_cipher()); + if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + memset(out, 0, sizeof(out)); + for (len = 0; (delta = BIO_read(b, out + len, i)); ) { + len += delta; + } + BIO_free_all(b); + + if (len != lref || memcmp(out, ref, len)) { + fprintf(stderr, "CBC output mismatch@%d\n", i); + return 3; + } + } + + /* + * Exercise CTR cipher + */ + + /* reference output for single-chunk operation */ + b = BIO_new(BIO_f_cipher()); + if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + 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 (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + memset(out, 0, sizeof(out)); + out[i] = ~ref[i]; + len = BIO_read(b, out, i); + /* check for overstep */ + if (out[i] != (unsigned char)~ref[i]) { + fprintf(stderr, "CTR output overstep@%d\n", i); + return 4; + } + len += BIO_read(b, out + len, sizeof(out) - len); + BIO_free_all(b); + + if (len != lref || memcmp(out, ref, len)) { + fprintf(stderr, "CTR output mismatch@%d\n", i); + return 5; + } + } + + /* perform small-chunk operations and compare to reference */ + for (i = 1; i < lref / 2; i++) { + int delta; + + b = BIO_new(BIO_f_cipher()); + if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0)) + return -1; + BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp))); + memset(out, 0, sizeof(out)); + for (len = 0; (delta = BIO_read(b, out + len, i)); ) { + len += delta; + } + BIO_free_all(b); + + if (len != lref || memcmp(out, ref, len)) { + fprintf(stderr, "CTR output mismatch@%d\n", i); + return 6; + } + } + + return 0; +} |