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Add openssl::cipher_ctx::CipherCtx::clone #2017

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merged 3 commits into from
Aug 23, 2023
Merged

Add openssl::cipher_ctx::CipherCtx::clone #2017

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19b7a64
Add openssl::cipher_ctx::CipherCtx::clone
johntyner Aug 20, 2023
f3a35f8
replace clone() with copy() to better mimic openssl interface
johntyner Aug 21, 2023
d266360
Update openssl/src/cipher_ctx.rs
sfackler Aug 22, 2023
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2 changes: 2 additions & 0 deletions openssl-sys/src/handwritten/evp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -271,6 +271,8 @@ const_ptr_api! {
extern "C" {
pub fn EVP_CIPHER_CTX_new() -> *mut EVP_CIPHER_CTX;
pub fn EVP_CIPHER_CTX_free(ctx: *mut EVP_CIPHER_CTX);
pub fn EVP_CIPHER_CTX_copy(dst: *mut EVP_CIPHER_CTX, src: *const EVP_CIPHER_CTX) -> c_int;

pub fn EVP_MD_CTX_copy_ex(dst: *mut EVP_MD_CTX, src: *const EVP_MD_CTX) -> c_int;
#[cfg(ossl111)]
pub fn EVP_MD_CTX_reset(ctx: *mut EVP_MD_CTX) -> c_int;
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9 changes: 9 additions & 0 deletions openssl/src/cipher_ctx.rs
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Expand Up @@ -102,6 +102,15 @@ impl CipherCtx {
Ok(CipherCtx::from_ptr(ptr))
}
}

#[corresponds(EVP_CIPHER_CTX_copy)]
pub fn clone(&self) -> Result<Self, ErrorStack> {
let n = CipherCtx::new()?;
unsafe {
cvt(ffi::EVP_CIPHER_CTX_copy(n.as_ptr(), self.as_ptr()))?;
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}
Ok(n)
}
}

impl CipherCtxRef {
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