Struct indy_crypto::bls::Bls
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pub struct Bls {}
Methods
impl Bls
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pub fn sign(
message: &[u8],
sign_key: &SignKey
) -> Result<Signature, IndyCryptoError>
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message: &[u8],
sign_key: &SignKey
) -> Result<Signature, IndyCryptoError>
Signs the message and returns signature.
Arguments
message
- Message to signsign_key
- Sign key
Example
use indy_crypto::bls::*; let message = vec![1, 2, 3, 4, 5]; let sign_key = SignKey::new(None).unwrap(); Bls::sign(&message, &sign_key).unwrap();
pub fn verify(
signature: &Signature,
message: &[u8],
ver_key: &VerKey,
gen: &Generator
) -> Result<bool, IndyCryptoError>
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signature: &Signature,
message: &[u8],
ver_key: &VerKey,
gen: &Generator
) -> Result<bool, IndyCryptoError>
Verifies the message signature and returns true - if signature valid or false otherwise.
Arguments
signature
- Signature to verifymessage
- Message to verifyver_key
- Verification keygen
- Generator point
Example
use indy_crypto::bls::*; let gen = Generator::new().unwrap(); let sign_key = SignKey::new(None).unwrap(); let ver_key = VerKey::new(&gen, &sign_key).unwrap(); let message = vec![1, 2, 3, 4, 5]; let signature = Bls::sign(&message, &sign_key).unwrap(); let valid = Bls::verify(&signature, &message, &ver_key, &gen).unwrap(); assert!(valid);
pub fn verify_multi_sig(
multi_sig: &MultiSignature,
message: &[u8],
ver_keys: &[&VerKey],
gen: &Generator
) -> Result<bool, IndyCryptoError>
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multi_sig: &MultiSignature,
message: &[u8],
ver_keys: &[&VerKey],
gen: &Generator
) -> Result<bool, IndyCryptoError>
Verifies the message multi signature and returns true - if signature valid or false otherwise.
Arguments
multi_sig
- Multi signature to verifymessage
- Message to verifyver_keys
- List of verification keysgen
- Generator point
Example
use indy_crypto::bls::*; let gen = Generator::new().unwrap(); let sign_key1 = SignKey::new(None).unwrap(); let ver_key1 = VerKey::new(&gen, &sign_key1).unwrap(); let sign_key2 = SignKey::new(None).unwrap(); let ver_key2 = VerKey::new(&gen, &sign_key2).unwrap(); let message = vec![1, 2, 3, 4, 5]; let signature1 = Bls::sign(&message, &sign_key1).unwrap(); let signature2 = Bls::sign(&message, &sign_key2).unwrap(); let signatures = vec![ &signature1, &signature2 ]; let multi_sig = MultiSignature::new(&signatures).unwrap(); let ver_keys = vec![ &ver_key1, &ver_key2 ]; let valid = Bls::verify_multi_sig(&multi_sig, &message, &ver_keys, &gen).unwrap(); assert!(valid)