soroban_sdk::crypto

Struct CryptoHazmat

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pub struct CryptoHazmat { /* private fields */ }
Available on crate feature hazmat only.
Expand description

§⚠️ Hazardous Materials

Cryptographic functions under CryptoHazmat are low-leveled which can be insecure if misused. They are not generally recommended. Using them incorrectly can introduce security vulnerabilities. Please use Crypto if possible.

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impl CryptoHazmat

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pub fn env(&self) -> &Env

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pub fn secp256k1_recover( &self, message_digest: &BytesN<32>, signature: &BytesN<64>, recorvery_id: u32, ) -> BytesN<65>

Recovers the ECDSA secp256k1 public key.

The public key returned is the SEC-1-encoded ECDSA secp256k1 public key that produced the 64-byte signature over a given 32-byte message digest, for a given recovery_id byte.

WARNING: The message_digest must be produced by a secure cryptographic hash function on the message, otherwise the attacker can potentially forge signatures.

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pub fn secp256r1_verify( &self, public_key: &BytesN<65>, message_digest: &BytesN<32>, signature: &BytesN<64>, )

Verifies the ECDSA secp256r1 signature.

The SEC-1-encoded public key is provided along with a 32-byte message digest, verifies the 64-byte signature.

WARNING: The message_digest must be produced by a secure cryptographic hash function on the message, otherwise the attacker can potentially forge signatures.

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