Function: toDerSignature()

toDerSignature(rawSignature): string

Defined in: crypto.ts:584 Converts a raw ECDSA signature to DER-encoded format. This function takes a raw ECDSA signature, which is a concatenation of two 32-byte integers (r and s), and converts it into the DER-encoded format. DER (Distinguished Encoding Rules) is a binary encoding for data structures described by ASN.1.

Parameters

rawSignature

string The raw signature in hexadecimal string format.

Returns

string

The DER-encoded signature in hexadecimal string format.

Throws

Throws an error if the input signature is invalid or if the encoding process fails.

Example

// Example usage:
const rawSignature = "0x487cdb8a88f2f4044b701cbb116075c4cabe5fe4657a6358b395c0aab70694db3453a8057e442bd1aff0ecabe8a82c831f0edd7f2158b7c1feb3de9b1f20309b1c";
const derSignature = toDerSignature(rawSignature);
console.log(derSignature); // Outputs the DER-encoded signature as a hex string
// "30440220487cdb8a88f2f4044b701cbb116075c4cabe5fe4657a6358b395c0aab70694db02203453a8057e442bd1aff0ecabe8a82c831f0edd7f2158b7c1feb3de9b1f20309b"