diff options
| author | Niclas Eklund <[email protected]> | 2011-04-15 15:49:42 +0200 |
|---|---|---|
| committer | Niclas Eklund <[email protected]> | 2011-04-15 15:49:42 +0200 |
| commit | f505644be64cd4844742b361a8ff411d70f4aa88 (patch) | |
| tree | f0b198ec6b9dbb0fdbc211f5ea06f9791ca04bc1 /lib/crypto/test | |
| parent | fb1eab890f6776419b3999285dff45802658e8f0 (diff) | |
| download | otp-f505644be64cd4844742b361a8ff411d70f4aa88.tar.gz otp-f505644be64cd4844742b361a8ff411d70f4aa88.tar.bz2 otp-f505644be64cd4844742b361a8ff411d70f4aa88.zip | |
Adds NIFs for cryptographically strong random number generation.
Also adds documentation and unit tests.
Thanks to Geoff Cant.
Diffstat (limited to 'lib/crypto/test')
| -rw-r--r-- | lib/crypto/test/crypto_SUITE.erl | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl index fe8f8e69a0..1946d01489 100644 --- a/lib/crypto/test/crypto_SUITE.erl +++ b/lib/crypto/test/crypto_SUITE.erl @@ -46,6 +46,7 @@ aes_ctr/1, mod_exp_test/1, rand_uniform_test/1, + strong_rand_uniform_test/1, rsa_verify_test/1, dsa_verify_test/1, rsa_sign_test/1, @@ -68,7 +69,8 @@ all() -> md5_mac_io, sha, sha_update, %% sha256, sha256_update, sha512,sha512_update, des_cbc, aes_cfb, aes_cbc, - aes_cbc_iter, aes_ctr, des_cbc_iter, des_ecb, rand_uniform_test, + aes_cbc_iter, aes_ctr, des_cbc_iter, des_ecb, + rand_uniform_test, strong_rand_uniform_test, rsa_verify_test, dsa_verify_test, rsa_sign_test, dsa_sign_test, rsa_encrypt_decrypt, dh, exor_test, rc4_test, rc4_stream_test, mod_exp_test, blowfish_cfb64, @@ -710,6 +712,33 @@ rand_uniform_aux_test(N) -> %% %% +strong_rand_uniform_test(doc) -> + "strong_rand_uniform and strong_random_bytes testing"; +strong_rand_uniform_test(suite) -> + []; +strong_rand_uniform_test(Config) when is_list(Config) -> + strong_rand_uniform_aux_test(180), + ?line 10 = byte_size(crypto:strong_rand_bytes(10)). + +strong_rand_uniform_aux_test(0) -> + ?line t(crypto:strong_rand_uniform(0,0,0) =:= <<0,0,0,0>>), + ok; +strong_rand_uniform_aux_test(1) -> + ?line t(crypto:erlint(crypto:strong_rand_uniform(1,0,1)) =:= 1), + ?line rand_uniform_aux_test(0); +strong_rand_uniform_aux_test(N) -> + ?line t(sru_length(crypto:strong_rand_uniform(N,-1,0)) =< N), + ?line t(sru_length(crypto:strong_rand_uniform(N,0,0)) =:= N), + ?line t(crypto:erlint(crypto:strong_rand_uniform(N,0,1)) band 1 =:= 1), + ?line t(crypto:erlint(crypto:strong_rand_uniform(N,1,0)) bsr (N - 2) =:= 2#11), + ?line rand_uniform_aux_test(N-1). + +sru_length(Mpint) -> + I = crypto:erlint(Mpint), + length(erlang:integer_to_list(I, 2)). + +%% +%% %% %% rsa_verify_test(doc) -> |