oasis_contract_sdk::env

Trait Crypto

Source 
pub trait Crypto {
    // Required methods
    fn ecdsa_recover(&self, input: &[u8]) -> [u8; 65];
    fn signature_verify_ed25519(
        &self,
        key: &[u8],
        message: &[u8],
        signature: &[u8],
    ) -> bool;
    fn signature_verify_secp256k1(
        &self,
        key: &[u8],
        message: &[u8],
        signature: &[u8],
    ) -> bool;
    fn signature_verify_sr25519(
        &self,
        key: &[u8],
        context: &[u8],
        message: &[u8],
        signature: &[u8],
    ) -> bool;
    fn x25519_derive_symmetric(
        &self,
        public_key: &[u8],
        private_key: &[u8],
    ) -> [u8; 32];
    fn deoxysii_seal(
        &self,
        key: &[u8],
        nonce: &[u8],
        message: &[u8],
        additional_data: &[u8],
    ) -> Result<Vec<u8>, CryptoError>;
    fn deoxysii_open(
        &self,
        key: &[u8],
        nonce: &[u8],
        message: &[u8],
        additional_data: &[u8],
    ) -> Result<Vec<u8>, CryptoError>;
    fn random_bytes(&self, pers: &[u8], dst: &mut [u8]) -> usize;
}
Expand description

Crypto helpers trait.

Required Methods§

Source

fn ecdsa_recover(&self, input: &[u8]) -> [u8; 65]

ECDSA public key recovery function.

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fn signature_verify_ed25519( &self, key: &[u8], message: &[u8], signature: &[u8], ) -> bool

Verify an ed25519 message signature.

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fn signature_verify_secp256k1( &self, key: &[u8], message: &[u8], signature: &[u8], ) -> bool

Verify a secp256k1 message signature.

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fn signature_verify_sr25519( &self, key: &[u8], context: &[u8], message: &[u8], signature: &[u8], ) -> bool

Verify an sr25519 message signature.

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fn x25519_derive_symmetric( &self, public_key: &[u8], private_key: &[u8], ) -> [u8; 32]

Derive a symmetric key from a public/private key pair.

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fn deoxysii_seal( &self, key: &[u8], nonce: &[u8], message: &[u8], additional_data: &[u8], ) -> Result<Vec<u8>, CryptoError>

Encrypt and authenticate a message and authenticate additional data using DeoxysII.

Source

fn deoxysii_open( &self, key: &[u8], nonce: &[u8], message: &[u8], additional_data: &[u8], ) -> Result<Vec<u8>, CryptoError>

Decrypt and authenticate a message and authenticate additional data using DeoxysII.

Source

fn random_bytes(&self, pers: &[u8], dst: &mut [u8]) -> usize

Fills dst with cryptographically secure random bytes. Returns the number of bytes written. If the optional personalization string (pers) is provided, it will be mixed into the RNG to provide additional domain separation.

Implementors§