diff options
Diffstat (limited to 'openssl/src/encrypt.rs')
| -rw-r--r-- | openssl/src/encrypt.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/openssl/src/encrypt.rs b/openssl/src/encrypt.rs index 658d7b7b..f80715cd 100644 --- a/openssl/src/encrypt.rs +++ b/openssl/src/encrypt.rs @@ -39,6 +39,7 @@ //! decrypted.truncate(decrypted_len); //! assert_eq!(&*decrypted, data); //! ``` +use libc::{c_int, c_void}; use std::{marker::PhantomData, ptr}; use crate::error::ErrorStack; @@ -157,6 +158,43 @@ impl<'a> Encrypter<'a> { } } + /// Sets the RSA OAEP label. + /// + /// This is only useful for RSA keys. + /// + /// This corresponds to [`EVP_PKEY_CTX_set0_rsa_oaep_label`]. + /// + /// [`EVP_PKEY_CTX_set0_rsa_oaep_label`]: https://www.openssl.org/docs/manmaster/man3/EVP_PKEY_CTX_set0_rsa_oaep_label.html + #[cfg(any(ossl102, libressl310))] + pub fn set_rsa_oaep_label(&mut self, label: &[u8]) -> Result<(), ErrorStack> { + unsafe { + let p = cvt_p(ffi::CRYPTO_malloc( + label.len() as _, + concat!(file!(), "\0").as_ptr() as *const _, + line!() as c_int, + ))?; + ptr::copy_nonoverlapping(label.as_ptr(), p as *mut u8, label.len()); + + cvt(ffi::EVP_PKEY_CTX_set0_rsa_oaep_label( + self.pctx, + p as *mut c_void, + label.len() as c_int, + )) + .map(|_| ()) + .map_err(|e| { + #[cfg(not(ossl110))] + ::ffi::CRYPTO_free(p as *mut c_void); + #[cfg(ossl110)] + ::ffi::CRYPTO_free( + p as *mut c_void, + concat!(file!(), "\0").as_ptr() as *const _, + line!() as c_int, + ); + e + }) + } + } + /// Performs public key encryption. /// /// In order to know the size needed for the output buffer, use [`encrypt_len`](Encrypter::encrypt_len). |