git ssb

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var sodium = require('libsodium-wrappers')
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var crypto = require('crypto')
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var B = Buffer
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function Ui8 (b) {
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  return new Uint8Array(b)
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}
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module.exports = {
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  curves: ['ed25519'],
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  generate: function () {
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    var keys = sodium.crypto_sign_keypair()
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    return {
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      curve: 'ed25519',
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      public: B(keys.publicKey),
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      //so that this works with either sodium
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      //or libsodium-wrappers (in browser)
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      private: B(keys.privateKey || keys.secretKey)
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    }
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  },
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  sign: function (private, message) {
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    return B(sodium.crypto_sign_detached(Ui8(message), Ui8(private)))
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  },
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  verify: function (public, sig, message) {
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    return sodium.crypto_sign_verify_detached(Ui8(sig), Ui8(message), Ui8(public))
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  }
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}
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