eko54r
b5e3a778ce
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41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Lcobucci\JWT\Signer\Ecdsa;
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/**
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* Manipulates the result of a ECDSA signature (points R and S) according to the
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* JWA specs.
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*
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* OpenSSL creates a signature using the ASN.1 format and, according the JWA specs,
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* the signature for JWTs must be the concatenated values of points R and S (in
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* big-endian octet order).
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*
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* @internal
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*
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* @see https://tools.ietf.org/html/rfc7518#page-9
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* @see https://en.wikipedia.org/wiki/Abstract_Syntax_Notation_One
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*/
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interface SignatureConverter
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{
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/**
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* Converts the signature generated by OpenSSL into what JWA defines
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*
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* @return non-empty-string
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*
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* @throws ConversionFailed When there was an issue during the format conversion.
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*/
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public function fromAsn1(string $signature, int $length): string;
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/**
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* Converts the JWA signature into something OpenSSL understands
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*
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* @param non-empty-string $points
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*
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* @return non-empty-string
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*
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* @throws ConversionFailed When there was an issue during the format conversion.
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*/
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public function toAsn1(string $points, int $length): string;
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}
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