variant_ssl/
cipher_ctx.rs

1//! The symmetric encryption context.
2//!
3//! # Examples
4//!
5//! Encrypt data with AES128 CBC
6//!
7//! ```
8//! use openssl::cipher::Cipher;
9//! use openssl::cipher_ctx::CipherCtx;
10//!
11//! let cipher = Cipher::aes_128_cbc();
12//! let data = b"Some Crypto Text";
13//! let key = b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F";
14//! let iv = b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07";
15//!
16//! let mut ctx = CipherCtx::new().unwrap();
17//! ctx.encrypt_init(Some(cipher), Some(key), Some(iv)).unwrap();
18//!
19//! let mut ciphertext = vec![];
20//! ctx.cipher_update_vec(data, &mut ciphertext).unwrap();
21//! ctx.cipher_final_vec(&mut ciphertext).unwrap();
22//!
23//! assert_eq!(
24//!     b"\xB4\xB9\xE7\x30\xD6\xD6\xF7\xDE\x77\x3F\x1C\xFF\xB3\x3E\x44\x5A\x91\xD7\x27\x62\x87\x4D\
25//!       \xFB\x3C\x5E\xC4\x59\x72\x4A\xF4\x7C\xA1",
26//!     &ciphertext[..],
27//! );
28//! ```
29//!
30//! Decrypt data with AES128 CBC
31//!
32//! ```
33//! use openssl::cipher::Cipher;
34//! use openssl::cipher_ctx::CipherCtx;
35//!
36//! let cipher = Cipher::aes_128_cbc();
37//! let data = b"\xB4\xB9\xE7\x30\xD6\xD6\xF7\xDE\x77\x3F\x1C\xFF\xB3\x3E\x44\x5A\x91\xD7\x27\x62\
38//!              \x87\x4D\xFB\x3C\x5E\xC4\x59\x72\x4A\xF4\x7C\xA1";
39//! let key = b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F";
40//! let iv = b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07";
41//!
42//! let mut ctx = CipherCtx::new().unwrap();
43//! ctx.decrypt_init(Some(cipher), Some(key), Some(iv)).unwrap();
44//!
45//! let mut plaintext = vec![];
46//! ctx.cipher_update_vec(data, &mut plaintext).unwrap();
47//! ctx.cipher_final_vec(&mut plaintext).unwrap();
48//!
49//! assert_eq!(b"Some Crypto Text", &plaintext[..]);
50//! ```
51#![warn(missing_docs)]
52
53use crate::cipher::CipherRef;
54use crate::error::ErrorStack;
55#[cfg(not(any(boringssl, awslc)))]
56use crate::pkey::{HasPrivate, HasPublic, PKey, PKeyRef};
57use crate::{cvt, cvt_p};
58#[cfg(ossl102)]
59use bitflags::bitflags;
60use cfg_if::cfg_if;
61use foreign_types::{ForeignType, ForeignTypeRef};
62use libc::{c_int, c_uchar};
63use openssl_macros::corresponds;
64use std::convert::{TryFrom, TryInto};
65use std::ptr;
66
67cfg_if! {
68    if #[cfg(ossl300)] {
69        use ffi::EVP_CIPHER_CTX_get0_cipher;
70    } else {
71        use ffi::EVP_CIPHER_CTX_cipher as EVP_CIPHER_CTX_get0_cipher;
72    }
73}
74
75foreign_type_and_impl_send_sync! {
76    type CType = ffi::EVP_CIPHER_CTX;
77    fn drop = ffi::EVP_CIPHER_CTX_free;
78
79    /// A context object used to perform symmetric encryption operations.
80    pub struct CipherCtx;
81    /// A reference to a [`CipherCtx`].
82    pub struct CipherCtxRef;
83}
84
85#[cfg(ossl102)]
86bitflags! {
87    /// Flags for `EVP_CIPHER_CTX`.
88    pub struct CipherCtxFlags : c_int {
89        /// The flag used to opt into AES key wrap ciphers.
90        const FLAG_WRAP_ALLOW = ffi::EVP_CIPHER_CTX_FLAG_WRAP_ALLOW;
91    }
92}
93
94impl CipherCtx {
95    /// Creates a new context.
96    #[corresponds(EVP_CIPHER_CTX_new)]
97    pub fn new() -> Result<Self, ErrorStack> {
98        ffi::init();
99
100        unsafe {
101            let ptr = cvt_p(ffi::EVP_CIPHER_CTX_new())?;
102            Ok(CipherCtx::from_ptr(ptr))
103        }
104    }
105}
106
107impl CipherCtxRef {
108    /// Clears all information from a cipher context
109    ///
110    /// This will free up any allocated memory associated with it, except the ctx itself
111    #[corresponds(EVP_CIPHER_CTX_reset)]
112    #[cfg(any(ossl110, libressl350))]
113    #[inline]
114    pub fn reset(&mut self) -> Result<(), ErrorStack> {
115        unsafe {
116            let _ = cvt(ffi::EVP_CIPHER_CTX_reset(self.as_ptr()))?;
117            Ok(())
118        }
119    }
120
121    /// Clears all information from a cipher context
122    ///
123    /// This will free up any allocated memory associated with it, except the ctx itself
124    #[corresponds(EVP_CIPHER_CTX_reset)]
125    #[cfg(any(boringssl, awslc))]
126    #[inline]
127    pub fn reset(&mut self) -> Result<(), ErrorStack> {
128        unsafe {
129            ffi::EVP_CIPHER_CTX_reset(self.as_ptr());
130            Ok(())
131        }
132    }
133
134    #[corresponds(EVP_CIPHER_CTX_copy)]
135    pub fn copy(&mut self, src: &CipherCtxRef) -> Result<(), ErrorStack> {
136        unsafe {
137            cvt(ffi::EVP_CIPHER_CTX_copy(self.as_ptr(), src.as_ptr()))?;
138            Ok(())
139        }
140    }
141
142    /// Initializes the context for encryption.
143    ///
144    /// Normally this is called once to set all of the cipher, key, and IV. However, this process can be split up
145    /// by first setting the cipher with no key or IV and then setting the key and IV with no cipher. This can be used
146    /// to, for example, use a nonstandard IV size.
147    ///
148    /// # Panics
149    ///
150    /// Panics if the key buffer is smaller than the key size of the cipher, the IV buffer is smaller than the IV size
151    /// of the cipher, or if a key or IV is provided before a cipher.
152    #[corresponds(EVP_EncryptInit_ex)]
153    pub fn encrypt_init(
154        &mut self,
155        type_: Option<&CipherRef>,
156        key: Option<&[u8]>,
157        iv: Option<&[u8]>,
158    ) -> Result<(), ErrorStack> {
159        self.cipher_init(type_, key, iv, ffi::EVP_EncryptInit_ex)
160    }
161
162    /// Initializes the context for decryption.
163    ///
164    /// Normally this is called once to set all of the cipher, key, and IV. However, this process can be split up
165    /// by first setting the cipher with no key or IV and then setting the key and IV with no cipher. This can be used
166    /// to, for example, use a nonstandard IV size.
167    ///
168    /// # Panics
169    ///
170    /// Panics if the key buffer is smaller than the key size of the cipher, the IV buffer is smaller than the IV size
171    /// of the cipher, or if a key or IV is provided before a cipher.
172    #[corresponds(EVP_DecryptInit_ex)]
173    pub fn decrypt_init(
174        &mut self,
175        type_: Option<&CipherRef>,
176        key: Option<&[u8]>,
177        iv: Option<&[u8]>,
178    ) -> Result<(), ErrorStack> {
179        self.cipher_init(type_, key, iv, ffi::EVP_DecryptInit_ex)
180    }
181
182    fn cipher_init(
183        &mut self,
184        type_: Option<&CipherRef>,
185        key: Option<&[u8]>,
186        iv: Option<&[u8]>,
187        f: unsafe extern "C" fn(
188            *mut ffi::EVP_CIPHER_CTX,
189            *const ffi::EVP_CIPHER,
190            *mut ffi::ENGINE,
191            *const c_uchar,
192            *const c_uchar,
193        ) -> c_int,
194    ) -> Result<(), ErrorStack> {
195        if let Some(key) = key {
196            let key_len = type_.map_or_else(|| self.key_length(), |c| c.key_length());
197            assert!(key_len <= key.len());
198        }
199
200        if let Some(iv) = iv {
201            let iv_len = type_.map_or_else(|| self.iv_length(), |c| c.iv_length());
202            assert!(iv_len <= iv.len());
203        }
204
205        unsafe {
206            cvt(f(
207                self.as_ptr(),
208                type_.map_or(ptr::null(), |p| p.as_ptr()),
209                ptr::null_mut(),
210                key.map_or(ptr::null(), |k| k.as_ptr()),
211                iv.map_or(ptr::null(), |iv| iv.as_ptr()),
212            ))?;
213        }
214
215        Ok(())
216    }
217
218    /// Initializes the context to perform envelope encryption.
219    ///
220    /// Normally this is called once to set both the cipher and public keys. However, this process may be split up by
221    /// first providing the cipher with no public keys and then setting the public keys with no cipher.
222    ///
223    /// `encrypted_keys` will contain the generated symmetric key encrypted with each corresponding asymmetric private
224    /// key. The generated IV will be written to `iv`.
225    ///
226    /// # Panics
227    ///
228    /// Panics if `pub_keys` is not the same size as `encrypted_keys`, the IV buffer is smaller than the cipher's IV
229    /// size, or if an IV is provided before the cipher.
230    #[corresponds(EVP_SealInit)]
231    #[cfg(not(any(boringssl, awslc)))]
232    pub fn seal_init<T>(
233        &mut self,
234        type_: Option<&CipherRef>,
235        pub_keys: &[PKey<T>],
236        encrypted_keys: &mut [Vec<u8>],
237        iv: Option<&mut [u8]>,
238    ) -> Result<(), ErrorStack>
239    where
240        T: HasPublic,
241    {
242        assert_eq!(pub_keys.len(), encrypted_keys.len());
243        if !pub_keys.is_empty() {
244            let iv_len = type_.map_or_else(|| self.iv_length(), |c| c.iv_length());
245            assert!(iv.as_ref().map_or(0, |b| b.len()) >= iv_len);
246        }
247
248        for (pub_key, buf) in pub_keys.iter().zip(&mut *encrypted_keys) {
249            buf.resize(pub_key.size(), 0);
250        }
251
252        let mut keys = encrypted_keys
253            .iter_mut()
254            .map(|b| b.as_mut_ptr())
255            .collect::<Vec<_>>();
256        let mut key_lengths = vec![0; pub_keys.len()];
257        let pub_keys_len = i32::try_from(pub_keys.len()).unwrap();
258
259        unsafe {
260            cvt(ffi::EVP_SealInit(
261                self.as_ptr(),
262                type_.map_or(ptr::null(), |p| p.as_ptr()),
263                keys.as_mut_ptr(),
264                key_lengths.as_mut_ptr(),
265                iv.map_or(ptr::null_mut(), |b| b.as_mut_ptr()),
266                pub_keys.as_ptr() as *mut _,
267                pub_keys_len,
268            ))?;
269        }
270
271        for (buf, len) in encrypted_keys.iter_mut().zip(key_lengths) {
272            buf.truncate(len as usize);
273        }
274
275        Ok(())
276    }
277
278    /// Initializes the context to perform envelope decryption.
279    ///
280    /// Normally this is called once with all of the arguments present. However, this process may be split up by first
281    /// providing the cipher alone and then after providing the rest of the arguments in a second call.
282    ///
283    /// # Panics
284    ///
285    /// Panics if the IV buffer is smaller than the cipher's required IV size or if the IV is provided before the
286    /// cipher.
287    #[corresponds(EVP_OpenInit)]
288    #[cfg(not(any(boringssl, awslc)))]
289    pub fn open_init<T>(
290        &mut self,
291        type_: Option<&CipherRef>,
292        encrypted_key: &[u8],
293        iv: Option<&[u8]>,
294        priv_key: Option<&PKeyRef<T>>,
295    ) -> Result<(), ErrorStack>
296    where
297        T: HasPrivate,
298    {
299        if priv_key.is_some() {
300            let iv_len = type_.map_or_else(|| self.iv_length(), |c| c.iv_length());
301            assert!(iv.map_or(0, |b| b.len()) >= iv_len);
302        }
303
304        let len = c_int::try_from(encrypted_key.len()).unwrap();
305        unsafe {
306            cvt(ffi::EVP_OpenInit(
307                self.as_ptr(),
308                type_.map_or(ptr::null(), |p| p.as_ptr()),
309                encrypted_key.as_ptr(),
310                len,
311                iv.map_or(ptr::null(), |b| b.as_ptr()),
312                priv_key.map_or(ptr::null_mut(), ForeignTypeRef::as_ptr),
313            ))?;
314        }
315
316        Ok(())
317    }
318
319    fn assert_cipher(&self) {
320        unsafe {
321            assert!(!EVP_CIPHER_CTX_get0_cipher(self.as_ptr()).is_null());
322        }
323    }
324
325    /// Returns the block size of the context's cipher.
326    ///
327    /// Stream ciphers will report a block size of 1.
328    ///
329    /// # Panics
330    ///
331    /// Panics if the context has not been initialized with a cipher.
332    #[corresponds(EVP_CIPHER_CTX_block_size)]
333    pub fn block_size(&self) -> usize {
334        self.assert_cipher();
335
336        unsafe { ffi::EVP_CIPHER_CTX_block_size(self.as_ptr()) as usize }
337    }
338
339    /// Returns the key length of the context's cipher.
340    ///
341    /// # Panics
342    ///
343    /// Panics if the context has not been initialized with a cipher.
344    #[corresponds(EVP_CIPHER_CTX_key_length)]
345    pub fn key_length(&self) -> usize {
346        self.assert_cipher();
347
348        unsafe { ffi::EVP_CIPHER_CTX_key_length(self.as_ptr()) as usize }
349    }
350
351    /// Generates a random key based on the configured cipher.
352    ///
353    /// # Panics
354    ///
355    /// Panics if the context has not been initialized with a cipher or if the buffer is smaller than the cipher's key
356    /// length.
357    #[corresponds(EVP_CIPHER_CTX_rand_key)]
358    #[cfg(not(any(boringssl, awslc)))]
359    pub fn rand_key(&self, buf: &mut [u8]) -> Result<(), ErrorStack> {
360        assert!(buf.len() >= self.key_length());
361
362        unsafe {
363            cvt(ffi::EVP_CIPHER_CTX_rand_key(
364                self.as_ptr(),
365                buf.as_mut_ptr(),
366            ))?;
367        }
368
369        Ok(())
370    }
371
372    /// Sets the length of the key expected by the context.
373    ///
374    /// Only some ciphers support configurable key lengths.
375    ///
376    /// # Panics
377    ///
378    /// Panics if the context has not been initialized with a cipher.
379    #[corresponds(EVP_CIPHER_CTX_set_key_length)]
380    pub fn set_key_length(&mut self, len: usize) -> Result<(), ErrorStack> {
381        self.assert_cipher();
382
383        unsafe {
384            cvt(ffi::EVP_CIPHER_CTX_set_key_length(
385                self.as_ptr(),
386                len.try_into().unwrap(),
387            ))?;
388        }
389
390        Ok(())
391    }
392
393    /// Returns the length of the IV expected by this context.
394    ///
395    /// Returns 0 if the cipher does not use an IV.
396    ///
397    /// # Panics
398    ///
399    /// Panics if the context has not been initialized with a cipher.
400    #[corresponds(EVP_CIPHER_CTX_iv_length)]
401    pub fn iv_length(&self) -> usize {
402        self.assert_cipher();
403
404        unsafe { ffi::EVP_CIPHER_CTX_iv_length(self.as_ptr()) as usize }
405    }
406
407    /// Returns the `num` parameter of the cipher.
408    ///
409    /// Built-in ciphers typically use this to track how much of the
410    /// current underlying block has been "used" already.
411    ///
412    /// # Panics
413    ///
414    /// Panics if the context has not been initialized with a cipher.
415    #[corresponds(EVP_CIPHER_CTX_num)]
416    #[cfg(ossl110)]
417    pub fn num(&self) -> usize {
418        self.assert_cipher();
419
420        unsafe { ffi::EVP_CIPHER_CTX_num(self.as_ptr()) as usize }
421    }
422
423    /// Sets the length of the IV expected by this context.
424    ///
425    /// Only some ciphers support configurable IV lengths.
426    ///
427    /// # Panics
428    ///
429    /// Panics if the context has not been initialized with a cipher.
430    #[corresponds(EVP_CIPHER_CTX_ctrl)]
431    pub fn set_iv_length(&mut self, len: usize) -> Result<(), ErrorStack> {
432        self.assert_cipher();
433
434        let len = c_int::try_from(len).unwrap();
435
436        unsafe {
437            cvt(ffi::EVP_CIPHER_CTX_ctrl(
438                self.as_ptr(),
439                ffi::EVP_CTRL_GCM_SET_IVLEN,
440                len,
441                ptr::null_mut(),
442            ))?;
443        }
444
445        Ok(())
446    }
447
448    /// Returns the length of the authentication tag expected by this context.
449    ///
450    /// Returns 0 if the cipher is not authenticated.
451    ///
452    /// # Panics
453    ///
454    /// Panics if the context has not been initialized with a cipher.
455    ///
456    /// Requires OpenSSL 3.0.0 or newer.
457    #[corresponds(EVP_CIPHER_CTX_get_tag_length)]
458    #[cfg(ossl300)]
459    pub fn tag_length(&self) -> usize {
460        self.assert_cipher();
461
462        unsafe { ffi::EVP_CIPHER_CTX_get_tag_length(self.as_ptr()) as usize }
463    }
464
465    /// Retrieves the calculated authentication tag from the context.
466    ///
467    /// This should be called after [`Self::cipher_final`], and is only supported by authenticated ciphers.
468    ///
469    /// The size of the buffer indicates the size of the tag. While some ciphers support a range of tag sizes, it is
470    /// recommended to pick the maximum size.
471    #[corresponds(EVP_CIPHER_CTX_ctrl)]
472    pub fn tag(&self, tag: &mut [u8]) -> Result<(), ErrorStack> {
473        let len = c_int::try_from(tag.len()).unwrap();
474
475        unsafe {
476            cvt(ffi::EVP_CIPHER_CTX_ctrl(
477                self.as_ptr(),
478                ffi::EVP_CTRL_GCM_GET_TAG,
479                len,
480                tag.as_mut_ptr() as *mut _,
481            ))?;
482        }
483
484        Ok(())
485    }
486
487    /// Sets the length of the generated authentication tag.
488    ///
489    /// This must be called when encrypting with a cipher in CCM mode to use a tag size other than the default.
490    #[corresponds(EVP_CIPHER_CTX_ctrl)]
491    pub fn set_tag_length(&mut self, len: usize) -> Result<(), ErrorStack> {
492        let len = c_int::try_from(len).unwrap();
493
494        unsafe {
495            cvt(ffi::EVP_CIPHER_CTX_ctrl(
496                self.as_ptr(),
497                ffi::EVP_CTRL_GCM_SET_TAG,
498                len,
499                ptr::null_mut(),
500            ))?;
501        }
502
503        Ok(())
504    }
505
506    /// Sets the authentication tag for verification during decryption.
507    #[corresponds(EVP_CIPHER_CTX_ctrl)]
508    pub fn set_tag(&mut self, tag: &[u8]) -> Result<(), ErrorStack> {
509        let len = c_int::try_from(tag.len()).unwrap();
510
511        unsafe {
512            cvt(ffi::EVP_CIPHER_CTX_ctrl(
513                self.as_ptr(),
514                ffi::EVP_CTRL_GCM_SET_TAG,
515                len,
516                tag.as_ptr() as *mut _,
517            ))?;
518        }
519
520        Ok(())
521    }
522
523    /// Enables or disables padding.
524    ///
525    /// If padding is disabled, the plaintext must be an exact multiple of the cipher's block size.
526    #[corresponds(EVP_CIPHER_CTX_set_padding)]
527    pub fn set_padding(&mut self, padding: bool) {
528        unsafe {
529            ffi::EVP_CIPHER_CTX_set_padding(self.as_ptr(), padding as c_int);
530        }
531    }
532
533    /// Sets the total length of plaintext data.
534    ///
535    /// This is required for ciphers operating in CCM mode.
536    #[corresponds(EVP_CipherUpdate)]
537    pub fn set_data_len(&mut self, len: usize) -> Result<(), ErrorStack> {
538        let len = c_int::try_from(len).unwrap();
539
540        unsafe {
541            cvt(ffi::EVP_CipherUpdate(
542                self.as_ptr(),
543                ptr::null_mut(),
544                &mut 0,
545                ptr::null(),
546                len,
547            ))?;
548        }
549
550        Ok(())
551    }
552
553    /// Set ctx flags.
554    ///
555    /// This function is currently used to enable AES key wrap feature supported by OpenSSL 1.0.2 or newer.
556    #[corresponds(EVP_CIPHER_CTX_set_flags)]
557    #[cfg(ossl102)]
558    pub fn set_flags(&mut self, flags: CipherCtxFlags) {
559        unsafe {
560            ffi::EVP_CIPHER_CTX_set_flags(self.as_ptr(), flags.bits());
561        }
562    }
563
564    /// Writes data into the context.
565    ///
566    /// Providing no output buffer will cause the input to be considered additional authenticated data (AAD).
567    ///
568    /// Returns the number of bytes written to `output`.
569    ///
570    /// # Panics
571    ///
572    /// Panics if `output` doesn't contain enough space for data to be
573    /// written.
574    #[corresponds(EVP_CipherUpdate)]
575    pub fn cipher_update(
576        &mut self,
577        input: &[u8],
578        output: Option<&mut [u8]>,
579    ) -> Result<usize, ErrorStack> {
580        if let Some(output) = &output {
581            let mut block_size = self.block_size();
582            if block_size == 1 {
583                block_size = 0;
584            }
585            let min_output_size = input.len() + block_size;
586            assert!(
587                output.len() >= min_output_size,
588                "Output buffer size should be at least {} bytes.",
589                min_output_size
590            );
591        }
592
593        unsafe { self.cipher_update_unchecked(input, output) }
594    }
595
596    /// Writes data into the context.
597    ///
598    /// Providing no output buffer will cause the input to be considered additional authenticated data (AAD).
599    ///
600    /// Returns the number of bytes written to `output`.
601    ///
602    /// This function is the same as [`Self::cipher_update`] but with the
603    /// output size check removed. It can be used when the exact
604    /// buffer size control is maintained by the caller.
605    ///
606    /// # Safety
607    ///
608    /// The caller is expected to provide `output` buffer
609    /// large enough to contain correct number of bytes. For streaming
610    /// ciphers the output buffer size should be at least as big as
611    /// the input buffer. For block ciphers the size of the output
612    /// buffer depends on the state of partially updated blocks.
613    #[corresponds(EVP_CipherUpdate)]
614    pub unsafe fn cipher_update_unchecked(
615        &mut self,
616        input: &[u8],
617        output: Option<&mut [u8]>,
618    ) -> Result<usize, ErrorStack> {
619        let inlen = c_int::try_from(input.len()).unwrap();
620
621        let mut outlen = 0;
622
623        cvt(ffi::EVP_CipherUpdate(
624            self.as_ptr(),
625            output.map_or(ptr::null_mut(), |b| b.as_mut_ptr()),
626            &mut outlen,
627            input.as_ptr(),
628            inlen,
629        ))?;
630
631        Ok(outlen as usize)
632    }
633
634    /// Like [`Self::cipher_update`] except that it appends output to a [`Vec`].
635    pub fn cipher_update_vec(
636        &mut self,
637        input: &[u8],
638        output: &mut Vec<u8>,
639    ) -> Result<usize, ErrorStack> {
640        let base = output.len();
641        output.resize(base + input.len() + self.block_size(), 0);
642        let len = self.cipher_update(input, Some(&mut output[base..]))?;
643        output.truncate(base + len);
644
645        Ok(len)
646    }
647
648    /// Like [`Self::cipher_update`] except that it writes output into the
649    /// `data` buffer. The `inlen` parameter specifies the number of bytes in
650    /// `data` that are considered the input. For streaming ciphers, the size of
651    /// `data` must be at least the input size. Otherwise, it must be at least
652    /// an additional block size larger.
653    ///
654    /// Note: Use [`Self::cipher_update`] with no output argument to write AAD.
655    ///
656    /// # Panics
657    ///
658    /// This function panics if the input size cannot be represented as `int` or
659    /// exceeds the buffer size, or if the output buffer does not contain enough
660    /// additional space.
661    #[corresponds(EVP_CipherUpdate)]
662    pub fn cipher_update_inplace(
663        &mut self,
664        data: &mut [u8],
665        inlen: usize,
666    ) -> Result<usize, ErrorStack> {
667        assert!(inlen <= data.len(), "Input size may not exceed buffer size");
668        let block_size = self.block_size();
669        if block_size != 1 {
670            assert!(
671                data.len() >= inlen + block_size,
672                "Output buffer size must be at least {} bytes.",
673                inlen + block_size
674            );
675        }
676
677        let inlen = c_int::try_from(inlen).unwrap();
678        let mut outlen = 0;
679        unsafe {
680            cvt(ffi::EVP_CipherUpdate(
681                self.as_ptr(),
682                data.as_mut_ptr(),
683                &mut outlen,
684                data.as_ptr(),
685                inlen,
686            ))
687        }?;
688
689        Ok(outlen as usize)
690    }
691
692    /// Finalizes the encryption or decryption process.
693    ///
694    /// Any remaining data will be written to the output buffer.
695    ///
696    /// Returns the number of bytes written to `output`.
697    ///
698    /// # Panics
699    ///
700    /// Panics if `output` is smaller than the cipher's block size.
701    #[corresponds(EVP_CipherFinal)]
702    pub fn cipher_final(&mut self, output: &mut [u8]) -> Result<usize, ErrorStack> {
703        let block_size = self.block_size();
704        if block_size > 1 {
705            assert!(output.len() >= block_size);
706        }
707
708        unsafe { self.cipher_final_unchecked(output) }
709    }
710
711    /// Finalizes the encryption or decryption process.
712    ///
713    /// Any remaining data will be written to the output buffer.
714    ///
715    /// Returns the number of bytes written to `output`.
716    ///
717    /// This function is the same as [`Self::cipher_final`] but with
718    /// the output buffer size check removed.
719    ///
720    /// # Safety
721    ///
722    /// The caller is expected to provide `output` buffer
723    /// large enough to contain correct number of bytes. For streaming
724    /// ciphers the output buffer can be empty, for block ciphers the
725    /// output buffer should be at least as big as the block.
726    #[corresponds(EVP_CipherFinal)]
727    pub unsafe fn cipher_final_unchecked(
728        &mut self,
729        output: &mut [u8],
730    ) -> Result<usize, ErrorStack> {
731        let mut outl = 0;
732
733        cvt(ffi::EVP_CipherFinal(
734            self.as_ptr(),
735            output.as_mut_ptr(),
736            &mut outl,
737        ))?;
738
739        Ok(outl as usize)
740    }
741
742    /// Like [`Self::cipher_final`] except that it appends output to a [`Vec`].
743    pub fn cipher_final_vec(&mut self, output: &mut Vec<u8>) -> Result<usize, ErrorStack> {
744        let base = output.len();
745        output.resize(base + self.block_size(), 0);
746        let len = self.cipher_final(&mut output[base..])?;
747        output.truncate(base + len);
748
749        Ok(len)
750    }
751}
752
753#[cfg(test)]
754mod test {
755    use super::*;
756    use crate::{cipher::Cipher, rand::rand_bytes};
757    #[cfg(not(any(boringssl, awslc)))]
758    use std::slice;
759
760    #[test]
761    #[cfg(not(any(boringssl, awslc)))]
762    fn seal_open() {
763        let private_pem = include_bytes!("../test/rsa.pem");
764        let public_pem = include_bytes!("../test/rsa.pem.pub");
765        let private_key = PKey::private_key_from_pem(private_pem).unwrap();
766        let public_key = PKey::public_key_from_pem(public_pem).unwrap();
767        let cipher = Cipher::aes_256_cbc();
768        let secret = b"My secret message";
769
770        let mut ctx = CipherCtx::new().unwrap();
771        let mut encrypted_key = vec![];
772        let mut iv = vec![0; cipher.iv_length()];
773        let mut encrypted = vec![];
774        ctx.seal_init(
775            Some(cipher),
776            &[public_key],
777            slice::from_mut(&mut encrypted_key),
778            Some(&mut iv),
779        )
780        .unwrap();
781        ctx.cipher_update_vec(secret, &mut encrypted).unwrap();
782        ctx.cipher_final_vec(&mut encrypted).unwrap();
783
784        let mut decrypted = vec![];
785        ctx.open_init(Some(cipher), &encrypted_key, Some(&iv), Some(&private_key))
786            .unwrap();
787        ctx.cipher_update_vec(&encrypted, &mut decrypted).unwrap();
788        ctx.cipher_final_vec(&mut decrypted).unwrap();
789
790        assert_eq!(secret, &decrypted[..]);
791    }
792
793    fn aes_128_cbc(cipher: &CipherRef) {
794        // from https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf
795        let key = hex::decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
796        let iv = hex::decode("000102030405060708090a0b0c0d0e0f").unwrap();
797        let pt = hex::decode("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51")
798            .unwrap();
799        let ct = hex::decode("7649abac8119b246cee98e9b12e9197d5086cb9b507219ee95db113a917678b2")
800            .unwrap();
801
802        let mut ctx = CipherCtx::new().unwrap();
803
804        ctx.encrypt_init(Some(cipher), Some(&key), Some(&iv))
805            .unwrap();
806        ctx.set_padding(false);
807
808        let mut buf = vec![];
809        ctx.cipher_update_vec(&pt, &mut buf).unwrap();
810        ctx.cipher_final_vec(&mut buf).unwrap();
811
812        assert_eq!(buf, ct);
813
814        ctx.decrypt_init(Some(cipher), Some(&key), Some(&iv))
815            .unwrap();
816        ctx.set_padding(false);
817
818        let mut buf = vec![];
819        ctx.cipher_update_vec(&ct, &mut buf).unwrap();
820        ctx.cipher_final_vec(&mut buf).unwrap();
821
822        assert_eq!(buf, pt);
823    }
824
825    #[test]
826    #[cfg(ossl300)]
827    fn fetched_aes_128_cbc() {
828        let cipher = Cipher::fetch(None, "AES-128-CBC", None).unwrap();
829        aes_128_cbc(&cipher);
830    }
831
832    #[test]
833    fn default_aes_128_cbc() {
834        let cipher = Cipher::aes_128_cbc();
835        aes_128_cbc(cipher);
836    }
837
838    #[cfg(not(boringssl))]
839    #[test]
840    fn default_aes_128_ccm() {
841        // from https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/mac/ccmtestvectors.zip
842        let cipher = Cipher::aes_128_ccm();
843        aes_ccm(
844            cipher,
845            "26511fb51fcfa75cb4b44da75a6e5a0e",
846            "ea98ec44f5a86715014783172e",
847            "4da40b80579c1d9a5309f7efecb7c059a2f914511ca5fc10",
848            "e4692b9f06b666c7451b146c8aeb07a6e30c629d28065c3dde5940325b14b810",
849            "1bf0ba0ebb20d8edba59f29a9371750c9c714078f73c335d",
850            "2f1322ac69b848b001476323aed84c47",
851        );
852    }
853
854    #[cfg(not(boringssl))]
855    #[test]
856    fn default_aes_192_ccm() {
857        // from https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/mac/ccmtestvectors.zip
858        let cipher = Cipher::aes_192_ccm();
859        aes_ccm(
860            cipher,
861            "26511fb51fcfa75cb4b44da75a6e5a0eb8d9c8f3b906f886",
862            "ea98ec44f5a86715014783172e",
863            "4da40b80579c1d9a5309f7efecb7c059a2f914511ca5fc10",
864            "e4692b9f06b666c7451b146c8aeb07a6e30c629d28065c3dde5940325b14b810",
865            "30c154c616946eccc2e241d336ad33720953e449a0e6b0f0",
866            "dbf8e9464909bdf337e48093c082a10b",
867        );
868    }
869
870    #[cfg(not(boringssl))]
871    #[test]
872    fn default_aes_256_ccm() {
873        // from https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/mac/ccmtestvectors.zip
874        let cipher = Cipher::aes_256_ccm();
875        aes_ccm(
876            cipher,
877            "314a202f836f9f257e22d8c11757832ae5131d357a72df88f3eff0ffcee0da4e",
878            "3542fbe0f59a6d5f3abf619b7d",
879            "c5b3d71312ea14f2f8fae5bd1a453192b6604a45db75c5ed",
880            "dd4531f158a2fa3bc8a339f770595048f4a42bc1b03f2e824efc6ba4985119d8",
881            "39c2e8f6edfe663b90963b98eb79e2d4f7f28a5053ae8881",
882            "567a6b4426f1667136bed4a5e32a2bc1",
883        );
884    }
885
886    #[cfg(not(boringssl))]
887    fn aes_ccm(
888        cipher: &CipherRef,
889        key: &'static str,
890        iv: &'static str,
891        pt: &'static str,
892        aad: &'static str,
893        ct: &'static str,
894        tag: &'static str,
895    ) {
896        let key = hex::decode(key).unwrap();
897        let iv = hex::decode(iv).unwrap();
898        let pt = hex::decode(pt).unwrap();
899        let ct = hex::decode(ct).unwrap();
900        let aad = hex::decode(aad).unwrap();
901        let tag = hex::decode(tag).unwrap();
902
903        let mut ctx = CipherCtx::new().unwrap();
904
905        ctx.encrypt_init(Some(cipher), None, None).unwrap();
906        ctx.set_iv_length(iv.len()).unwrap();
907        ctx.set_tag_length(tag.len()).unwrap();
908        ctx.encrypt_init(None, Some(&key), Some(&iv)).unwrap();
909        ctx.set_data_len(pt.len()).unwrap();
910
911        let mut buf = vec![];
912        ctx.cipher_update(&aad, None).unwrap();
913        ctx.cipher_update_vec(&pt, &mut buf).unwrap();
914        ctx.cipher_final_vec(&mut buf).unwrap();
915        assert_eq!(buf, ct);
916
917        let mut out_tag = vec![0u8; tag.len()];
918        ctx.tag(&mut out_tag).unwrap();
919        assert_eq!(tag, out_tag);
920
921        ctx.decrypt_init(Some(cipher), None, None).unwrap();
922        ctx.set_iv_length(iv.len()).unwrap();
923        ctx.set_tag(&tag).unwrap();
924        ctx.decrypt_init(None, Some(&key), Some(&iv)).unwrap();
925        ctx.set_data_len(pt.len()).unwrap();
926
927        let mut buf = vec![];
928        ctx.cipher_update(&aad, None).unwrap();
929        ctx.cipher_update_vec(&ct, &mut buf).unwrap();
930        // Some older libraries don't support calling EVP_CipherFinal/EVP_DecryptFinal for CCM
931        // https://wiki.openssl.org/index.php/EVP_Authenticated_Encryption_and_Decryption#Authenticated_Decryption_using_CCM_mode
932        #[cfg(any(ossl111, awslc, boringssl))]
933        ctx.cipher_final_vec(&mut buf).unwrap();
934
935        assert_eq!(buf, pt);
936    }
937
938    #[cfg(not(any(boringssl, awslc)))]
939    #[test]
940    fn default_aes_128_xts() {
941        // https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/aes/XTSTestVectors.zip
942        let cipher = Cipher::aes_128_xts();
943        aes_xts(
944            cipher,
945            "a1b90cba3f06ac353b2c343876081762090923026e91771815f29dab01932f2f",
946            "4faef7117cda59c66e4b92013e768ad5",
947            "ebabce95b14d3c8d6fb350390790311c",
948            "778ae8b43cb98d5a825081d5be471c63",
949        );
950    }
951
952    #[cfg(not(boringssl))]
953    #[test]
954    fn default_aes_256_xts() {
955        // https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/aes/XTSTestVectors.zip
956        let cipher = Cipher::aes_256_xts();
957        aes_xts(cipher, "1ea661c58d943a0e4801e42f4b0947149e7f9f8e3e68d0c7505210bd311a0e7cd6e13ffdf2418d8d1911c004cda58da3d619b7e2b9141e58318eea392cf41b08", "adf8d92627464ad2f0428e84a9f87564", "2eedea52cd8215e1acc647e810bbc3642e87287f8d2e57e36c0a24fbc12a202e", "cbaad0e2f6cea3f50b37f934d46a9b130b9d54f07e34f36af793e86f73c6d7db");
958    }
959
960    #[cfg(not(boringssl))]
961    fn aes_xts(
962        cipher: &CipherRef,
963        key: &'static str,
964        i: &'static str,
965        pt: &'static str,
966        ct: &'static str,
967    ) {
968        let key = hex::decode(key).unwrap();
969        let i = hex::decode(i).unwrap();
970        let pt = hex::decode(pt).unwrap();
971        let ct = hex::decode(ct).unwrap();
972
973        let mut ctx = CipherCtx::new().unwrap();
974        ctx.encrypt_init(Some(cipher), Some(&key), Some(&i))
975            .unwrap();
976        let mut buf = vec![];
977        ctx.cipher_update_vec(&pt, &mut buf).unwrap();
978        ctx.cipher_final_vec(&mut buf).unwrap();
979
980        assert_eq!(ct, buf);
981
982        ctx.decrypt_init(Some(cipher), Some(&key), Some(&i))
983            .unwrap();
984        let mut buf = vec![];
985        ctx.cipher_update_vec(&ct, &mut buf).unwrap();
986        ctx.cipher_final_vec(&mut buf).unwrap();
987
988        assert_eq!(pt, buf);
989    }
990
991    #[test]
992    fn test_stream_ciphers() {
993        #[cfg(not(boringssl))]
994        {
995            test_stream_cipher(Cipher::aes_128_cfb1());
996            test_stream_cipher(Cipher::aes_128_cfb8());
997            test_stream_cipher(Cipher::aes_128_cfb128());
998            test_stream_cipher(Cipher::aes_192_cfb1());
999            test_stream_cipher(Cipher::aes_192_cfb8());
1000            test_stream_cipher(Cipher::aes_192_cfb128());
1001            test_stream_cipher(Cipher::aes_256_cfb1());
1002            test_stream_cipher(Cipher::aes_256_cfb8());
1003            test_stream_cipher(Cipher::aes_256_cfb128());
1004        }
1005        test_stream_cipher(Cipher::aes_192_ctr());
1006        test_stream_cipher(Cipher::aes_256_ctr());
1007    }
1008
1009    fn test_stream_cipher(cipher: &'static CipherRef) {
1010        let mut key = vec![0; cipher.key_length()];
1011        rand_bytes(&mut key).unwrap();
1012        let mut iv = vec![0; cipher.iv_length()];
1013        rand_bytes(&mut iv).unwrap();
1014
1015        let mut ctx = CipherCtx::new().unwrap();
1016
1017        ctx.encrypt_init(Some(cipher), Some(&key), Some(&iv))
1018            .unwrap();
1019        ctx.set_padding(false);
1020
1021        assert_eq!(
1022            1,
1023            cipher.block_size(),
1024            "Need a stream cipher, not a block cipher"
1025        );
1026
1027        // update cipher with non-full block
1028        // this is a streaming cipher so the number of output bytes
1029        // will be the same as the number of input bytes
1030        let mut output = vec![0; 32];
1031        let outlen = ctx
1032            .cipher_update(&[1; 15], Some(&mut output[0..15]))
1033            .unwrap();
1034        assert_eq!(15, outlen);
1035
1036        // update cipher with missing bytes from the previous block
1037        // as previously it will output the same number of bytes as
1038        // the input
1039        let outlen = ctx
1040            .cipher_update(&[1; 17], Some(&mut output[15..]))
1041            .unwrap();
1042        assert_eq!(17, outlen);
1043
1044        ctx.cipher_final_vec(&mut vec![0; 0]).unwrap();
1045
1046        // encrypt again, but use in-place encryption this time
1047        // First reset the IV
1048        ctx.encrypt_init(None, None, Some(&iv)).unwrap();
1049        ctx.set_padding(false);
1050        let mut data_inplace: [u8; 32] = [1; 32];
1051        let outlen = ctx
1052            .cipher_update_inplace(&mut data_inplace[0..15], 15)
1053            .unwrap();
1054        assert_eq!(15, outlen);
1055
1056        let outlen = ctx
1057            .cipher_update_inplace(&mut data_inplace[15..32], 17)
1058            .unwrap();
1059        assert_eq!(17, outlen);
1060
1061        ctx.cipher_final(&mut [0u8; 0]).unwrap();
1062
1063        // Check that the resulting data is encrypted in the same manner
1064        assert_eq!(data_inplace.as_slice(), output.as_slice());
1065
1066        // try to decrypt
1067        ctx.decrypt_init(Some(cipher), Some(&key), Some(&iv))
1068            .unwrap();
1069        ctx.set_padding(false);
1070
1071        // update cipher with non-full block
1072        // expect that the output for stream cipher will contain
1073        // the same number of bytes as the input
1074        let mut output_decrypted = vec![0; 32];
1075        let outlen = ctx
1076            .cipher_update(&output[0..15], Some(&mut output_decrypted[0..15]))
1077            .unwrap();
1078        assert_eq!(15, outlen);
1079
1080        let outlen = ctx
1081            .cipher_update(&output[15..], Some(&mut output_decrypted[15..]))
1082            .unwrap();
1083        assert_eq!(17, outlen);
1084
1085        ctx.cipher_final_vec(&mut vec![0; 0]).unwrap();
1086        // check if the decrypted blocks are the same as input (all ones)
1087        assert_eq!(output_decrypted, vec![1; 32]);
1088
1089        // decrypt again, but now the output in-place
1090        ctx.decrypt_init(None, None, Some(&iv)).unwrap();
1091        ctx.set_padding(false);
1092
1093        let outlen = ctx.cipher_update_inplace(&mut output[0..15], 15).unwrap();
1094        assert_eq!(15, outlen);
1095
1096        let outlen = ctx.cipher_update_inplace(&mut output[15..], 17).unwrap();
1097        assert_eq!(17, outlen);
1098
1099        ctx.cipher_final_vec(&mut vec![0; 0]).unwrap();
1100        assert_eq!(output_decrypted, output);
1101    }
1102
1103    #[test]
1104    #[should_panic(expected = "Output buffer size should be at least 33 bytes.")]
1105    fn full_block_updates_aes_128() {
1106        output_buffer_too_small(Cipher::aes_128_cbc());
1107    }
1108
1109    #[test]
1110    #[should_panic(expected = "Output buffer size should be at least 33 bytes.")]
1111    fn full_block_updates_aes_256() {
1112        output_buffer_too_small(Cipher::aes_256_cbc());
1113    }
1114
1115    #[test]
1116    #[should_panic(expected = "Output buffer size should be at least 17 bytes.")]
1117    fn full_block_updates_3des() {
1118        output_buffer_too_small(Cipher::des_ede3_cbc());
1119    }
1120
1121    fn output_buffer_too_small(cipher: &'static CipherRef) {
1122        let mut key = vec![0; cipher.key_length()];
1123        rand_bytes(&mut key).unwrap();
1124        let mut iv = vec![0; cipher.iv_length()];
1125        rand_bytes(&mut iv).unwrap();
1126
1127        let mut ctx = CipherCtx::new().unwrap();
1128
1129        ctx.encrypt_init(Some(cipher), Some(&key), Some(&iv))
1130            .unwrap();
1131        ctx.set_padding(false);
1132
1133        let block_size = cipher.block_size();
1134        assert!(block_size > 1, "Need a block cipher, not a stream cipher");
1135
1136        ctx.cipher_update(&vec![0; block_size + 1], Some(&mut vec![0; block_size - 1]))
1137            .unwrap();
1138    }
1139
1140    #[cfg(ossl102)]
1141    fn cipher_wrap_test(cipher: &CipherRef, pt: &str, ct: &str, key: &str, iv: Option<&str>) {
1142        let pt = hex::decode(pt).unwrap();
1143        let key = hex::decode(key).unwrap();
1144        let expected = hex::decode(ct).unwrap();
1145        let iv = iv.map(|v| hex::decode(v).unwrap());
1146        let padding = 8 - pt.len() % 8;
1147        let mut computed = vec![0; pt.len() + padding + cipher.block_size() * 2];
1148        let mut ctx = CipherCtx::new().unwrap();
1149
1150        ctx.set_flags(CipherCtxFlags::FLAG_WRAP_ALLOW);
1151        ctx.encrypt_init(Some(cipher), Some(&key), iv.as_deref())
1152            .unwrap();
1153
1154        let count = ctx.cipher_update(&pt, Some(&mut computed)).unwrap();
1155        let rest = ctx.cipher_final(&mut computed[count..]).unwrap();
1156        computed.truncate(count + rest);
1157
1158        if computed != expected {
1159            println!("Computed: {}", hex::encode(&computed));
1160            println!("Expected: {}", hex::encode(&expected));
1161            if computed.len() != expected.len() {
1162                println!(
1163                    "Lengths differ: {} in computed vs {} expected",
1164                    computed.len(),
1165                    expected.len()
1166                );
1167            }
1168            panic!("test failure");
1169        }
1170    }
1171
1172    #[test]
1173    #[cfg(ossl102)]
1174    fn test_aes128_wrap() {
1175        let pt = "00112233445566778899aabbccddeeff";
1176        let ct = "7940ff694448b5bb5139c959a4896832e55d69aa04daa27e";
1177        let key = "2b7e151628aed2a6abf7158809cf4f3c";
1178        let iv = "0001020304050607";
1179
1180        cipher_wrap_test(Cipher::aes_128_wrap(), pt, ct, key, Some(iv));
1181    }
1182
1183    #[test]
1184    #[cfg(ossl102)]
1185    fn test_aes128_wrap_default_iv() {
1186        let pt = "00112233445566778899aabbccddeeff";
1187        let ct = "38f1215f0212526f8a70b51955b9fbdc9fe3041d9832306e";
1188        let key = "2b7e151628aed2a6abf7158809cf4f3c";
1189
1190        cipher_wrap_test(Cipher::aes_128_wrap(), pt, ct, key, None);
1191    }
1192
1193    #[test]
1194    #[cfg(ossl110)]
1195    fn test_aes128_wrap_pad() {
1196        let pt = "00112233445566778899aabbccddee";
1197        let ct = "f13998f5ab32ef82a1bdbcbe585e1d837385b529572a1e1b";
1198        let key = "2b7e151628aed2a6abf7158809cf4f3c";
1199        let iv = "00010203";
1200
1201        cipher_wrap_test(Cipher::aes_128_wrap_pad(), pt, ct, key, Some(iv));
1202    }
1203
1204    #[test]
1205    #[cfg(ossl110)]
1206    fn test_aes128_wrap_pad_default_iv() {
1207        let pt = "00112233445566778899aabbccddee";
1208        let ct = "3a501085fb8cf66f4186b7df851914d471ed823411598add";
1209        let key = "2b7e151628aed2a6abf7158809cf4f3c";
1210
1211        cipher_wrap_test(Cipher::aes_128_wrap_pad(), pt, ct, key, None);
1212    }
1213
1214    #[test]
1215    #[cfg(ossl102)]
1216    fn test_aes192_wrap() {
1217        let pt = "9f6dee187d35302116aecbfd059657efd9f7589c4b5e7f5b";
1218        let ct = "83b89142dfeeb4871e078bfb81134d33e23fedc19b03a1cf689973d3831b6813";
1219        let key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b";
1220        let iv = "0001020304050607";
1221
1222        cipher_wrap_test(Cipher::aes_192_wrap(), pt, ct, key, Some(iv));
1223    }
1224
1225    #[test]
1226    #[cfg(ossl102)]
1227    fn test_aes192_wrap_default_iv() {
1228        let pt = "9f6dee187d35302116aecbfd059657efd9f7589c4b5e7f5b";
1229        let ct = "c02c2cf11505d3e4851030d5534cbf5a1d7eca7ba8839adbf239756daf1b43e6";
1230        let key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b";
1231
1232        cipher_wrap_test(Cipher::aes_192_wrap(), pt, ct, key, None);
1233    }
1234
1235    #[test]
1236    #[cfg(ossl110)]
1237    fn test_aes192_wrap_pad() {
1238        let pt = "00112233445566778899aabbccddee";
1239        let ct = "b4f6bb167ef7caf061a74da82b36ad038ca057ab51e98d3a";
1240        let key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b";
1241        let iv = "00010203";
1242
1243        cipher_wrap_test(Cipher::aes_192_wrap_pad(), pt, ct, key, Some(iv));
1244    }
1245
1246    #[test]
1247    #[cfg(ossl110)]
1248    fn test_aes192_wrap_pad_default_iv() {
1249        let pt = "00112233445566778899aabbccddee";
1250        let ct = "b2c37a28cc602753a7c944a4c2555a2df9c98b2eded5312e";
1251        let key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b";
1252
1253        cipher_wrap_test(Cipher::aes_192_wrap_pad(), pt, ct, key, None);
1254    }
1255
1256    #[test]
1257    #[cfg(ossl102)]
1258    fn test_aes256_wrap() {
1259        let pt = "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51";
1260        let ct = "cc05da2a7f56f7dd0c144231f90bce58648fa20a8278f5a6b7d13bba6aa57a33229d4333866b7fd6";
1261        let key = "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4";
1262        let iv = "0001020304050607";
1263
1264        cipher_wrap_test(Cipher::aes_256_wrap(), pt, ct, key, Some(iv));
1265    }
1266
1267    #[test]
1268    #[cfg(ossl102)]
1269    fn test_aes256_wrap_default_iv() {
1270        let pt = "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51";
1271        let ct = "0b24f068b50e52bc6987868411c36e1b03900866ed12af81eb87cef70a8d1911731c1d7abf789d88";
1272        let key = "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4";
1273
1274        cipher_wrap_test(Cipher::aes_256_wrap(), pt, ct, key, None);
1275    }
1276
1277    #[test]
1278    #[cfg(ossl110)]
1279    fn test_aes256_wrap_pad() {
1280        let pt = "00112233445566778899aabbccddee";
1281        let ct = "91594e044ccc06130d60e6c84a996aa4f96a9faff8c5f6e7";
1282        let key = "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4";
1283        let iv = "00010203";
1284
1285        cipher_wrap_test(Cipher::aes_256_wrap_pad(), pt, ct, key, Some(iv));
1286    }
1287
1288    #[test]
1289    #[cfg(ossl110)]
1290    fn test_aes256_wrap_pad_default_iv() {
1291        let pt = "00112233445566778899aabbccddee";
1292        let ct = "dc3c166a854afd68aea624a4272693554bf2e4fcbae602cd";
1293        let key = "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4";
1294
1295        cipher_wrap_test(Cipher::aes_256_wrap_pad(), pt, ct, key, None);
1296    }
1297}
variant_ssl/cipher_ctx.rs

variant_ssl/
cipher_ctx.rs
