FromECDSA exports a private key into a binary dump.

GenerateKey generates a new private key.

HexToECDSA parses a secp256k1 private key.

Keccak256 calculates and returns the Keccak256 hash of the input data.

LoadECDSA loads a secp256k1 private key from the given file.

New generate a ecdsa private key,input is algorithm type.

PaddedBigBytes encodes a big integer as a big-endian byte slice.

ReadBits encodes the absolute value of bigint as big-endian bytes.

SaveECDSA saves a secp256k1 private key to the given file with restrictive permissions.

ToECDSA creates a private key with the given D value.

ToECDSAUnsafe blindly converts a binary blob to a private key.

UnmarshalPubkey converts bytes to a secp256k1 public key.

ValidateSignatureValues verifies whether the signature values are valid with the given chain rules.

DigestLength sets the signature digest exact length.

RecoveryIDOffset points to the byte offset within the signature that contains the recovery id.

64 bytes ECDSA signature + 1 byte recovery id.

PrivateKey ECDSA private key.

PublicKey ECDSA public key.

ECDSASig holds the r and s values of an ECDSA signature.

KeccakState wraps sha3.state.