D5999.diff
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D5999.diff
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	diff --git a/native/native_rust_library/src/crypto_tools.rs b/native/native_rust_library/src/crypto_tools.rs
	--- a/native/native_rust_library/src/crypto_tools.rs
	+++ b/native/native_rust_library/src/crypto_tools.rs
	@@ -1,5 +1,9 @@
	use crate::ffi::DeviceType;
	+use openssl::hash::MessageDigest;
	+use openssl::pkey::PKey;
	+use openssl::sign::Signer;
	use rand::distributions::{Alphanumeric, DistString};
	+
	#[cfg(test)]
	use regex::Regex;

	@@ -33,6 +37,16 @@
	Ok(format!("{}:{}", &prefix, &suffix))
	}

	+pub fn sign_string_with_private_key(
	+ private_key: &PKey<openssl::pkey::Private>,
	+ nonce: &str,
	+) -> anyhow::Result<String> {
	+ let mut signer = Signer::new(MessageDigest::sha256(), &private_key)?;
	+ signer.update(nonce.as_bytes())?;
	+ let signature = signer.sign_to_vec()?;
	+ Ok(base64::encode(signature))
	+}
	+
	#[cfg(test)]
	mod tests {
	use super::*;