Signer - Crossmint Docs

Interface

interface Signer

Properties

Property	Type	Description
`signerData`	`SignerData`	The admin signer data associated with this signer. Contains signer-specific information (email, public key, etc.)

Functions

Function	Description
`initialize`	Initializes the signer with necessary service context. Must be called before sign() operations.
`locator`	-
`sign`	Signs a message and returns the signature.
`signForApproval`	Signs a message and returns typed output suitable for building an approval. The default implementation wraps sign as SigningOutput.Standard. Override to return SigningOutput.Passkey for passkey-based signers.

initialize

abstract suspend fun initialize(service: CrossmintService?)

Initializes the signer with necessary service context. Must be called before sign() operations.

locator

open fun locator(): String

sign

abstract suspend fun sign(message: String): Result<String, SignerError>

Signs a message and returns the signature.

signForApproval

open suspend fun signForApproval(message: String): Result<SigningOutput, SignerError>

Signs a message and returns typed output suitable for building an approval. The default implementation wraps sign as SigningOutput.Standard. Override to return SigningOutput.Passkey for passkey-based signers.

SessionStore SignerManagementOperations

⌘I

​Properties

​Functions

​initialize

​locator

​sign

​signForApproval