diff options
Diffstat (limited to 'openssl/src/crypto/memcmp.rs')
| -rw-r--r-- | openssl/src/crypto/memcmp.rs | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/openssl/src/crypto/memcmp.rs b/openssl/src/crypto/memcmp.rs deleted file mode 100644 index cf08bdb5..00000000 --- a/openssl/src/crypto/memcmp.rs +++ /dev/null @@ -1,39 +0,0 @@ -use libc::size_t; -use ffi; - -/// Returns `true` iff `a` and `b` contain the same bytes. -/// -/// This operation takes an amount of time dependent on the length of the two -/// arrays given, but is independent of the contents of a and b. -/// -/// # Failure -/// -/// This function will panic the current task if `a` and `b` do not have the same -/// length. -pub fn eq(a: &[u8], b: &[u8]) -> bool { - assert!(a.len() == b.len()); - let ret = unsafe { - ffi::CRYPTO_memcmp(a.as_ptr() as *const _, - b.as_ptr() as *const _, - a.len() as size_t) - }; - ret == 0 -} - -#[cfg(test)] -mod tests { - use super::eq; - - #[test] - fn test_eq() { - assert!(eq(&[], &[])); - assert!(eq(&[1], &[1])); - assert!(!eq(&[1, 2, 3], &[1, 2, 4])); - } - - #[test] - #[should_panic] - fn test_diff_lens() { - eq(&[], &[1]); - } -} |