ts-mls/dist/authenticatedContent.js

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import { flatMapDecoder, mapDecoder, mapDecoders } from "./codec/tlsDecoder.js";
import { contramapEncoders } from "./codec/tlsEncoder.js";
import { refhash } from "./crypto/hash.js";
import { decodeFramedContent, decodeFramedContentAuthData, encodeFramedContent, encodeFramedContentAuthData, encodeFramedContentTBS, } from "./framedContent.js";
import { decodeWireformat, encodeWireformat } from "./wireformat.js";
export const encodeAuthenticatedContent = contramapEncoders([encodeWireformat, encodeFramedContent, encodeFramedContentAuthData], (a) => [a.wireformat, a.content, a.auth]);
export const decodeAuthenticatedContent = mapDecoders([
    decodeWireformat,
    flatMapDecoder(decodeFramedContent, (content) => {
        return mapDecoder(decodeFramedContentAuthData(content.contentType), (auth) => ({ content, auth }));
    }),
], (wireformat, contentAuth) => ({
    wireformat,
    ...contentAuth,
}));
export const encodeAuthenticatedContentTBM = contramapEncoders([encodeFramedContentTBS, encodeFramedContentAuthData], (t) => [t.contentTbs, t.auth]);
export function createMembershipTag(membershipKey, tbm, h) {
    return h.mac(membershipKey, encodeAuthenticatedContentTBM(tbm));
}
export function verifyMembershipTag(membershipKey, tbm, tag, h) {
    return h.verifyMac(membershipKey, tag, encodeAuthenticatedContentTBM(tbm));
}
export function makeProposalRef(proposal, h) {
    return refhash("MLS 1.0 Proposal Reference", encodeAuthenticatedContent(proposal), h);
}
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