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Add ec::EcKey::private_key_from_der_for_group #2371

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Add ec::EcKey::private_key_from_der_for_group #2371

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23 changes: 23 additions & 0 deletions openssl/src/ec.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1009,6 +1009,29 @@ impl EcKey<Private> {
EcKey<Private>,
ffi::d2i_ECPrivateKey
}

/// Decodes a DER-encoded elliptic curve private key structure for the specified curve.
#[corresponds(EC_KEY_parse_private_key)]
#[cfg(boringssl)]
pub fn private_key_from_der_for_group(
der: &[u8],
group: &EcGroupRef,
) -> Result<EcKey<Private>, ErrorStack> {
unsafe {
let mut cbs = ffi::CBS {
data: der.as_ptr(),
len: der.len(),
};
let p = cvt_p(ffi::EC_KEY_parse_private_key(
&mut cbs as *mut ffi::CBS,
group.as_ptr(),
))?;
if ffi::CBS_len(p) != 0 {
todo!()
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Can one of the maintainers let me know what you'd suggest I do here to generate a new error? Thanks!

}
Ok(EcKey::from_ptr(p))
}
}
}

impl<T> Clone for EcKey<T> {
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