git ssb

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'use strict'
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var sodium = require('chloride')
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module.exports = {
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  curves: ['ed25519'],
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  generate: function (seed) {
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    if(!seed) sodium.randombytes(seed = new Buffer(32))
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    var keys = seed ? sodium.crypto_sign_seed_keypair(seed) : sodium.crypto_sign_keypair()
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    return {
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      curve: 'ed25519',
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      public: 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: keys.privateKey || keys.secretKey
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    }
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  },
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  sign: function (privateKey, message) {
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    return sodium.crypto_sign_detached(message, privateKey)
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  },
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  verify: function (publicKey, sig, message) {
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    return sodium.crypto_sign_verify_detached(sig, message, publicKey)
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  }
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}
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