meetsiraja / ethereum-rsa

Encrypt and Decrypt message using Ethereum keys.
https://www.npmjs.com/package/ethereum-rsa
MIT License
12 stars 1 forks source link

getSharedSecret salt issus #1

Open GeekBerry opened 3 years ago

GeekBerry commented 3 years ago

https://github.com/meetsiraja/ethereum-rsa/blob/91c59b4261bd749129458842fcec7210a4b909b3/src/secret.js#L17

it seems gen a Buffer(32) salt by string, but use 'hex' as encoding. so it is returned <Buffer > which still work.

it is on purpose to confuse implement or a mistake to gen by Buffer.from('mFTNHUGyy6TE0kxZ8LW4bmR0gDdISfii') ?

sisco0 commented 3 years ago

That salt is incorrect, as shown at https://nodejs.org/api/buffer.html#Buffers%20and%20character%20encodings it seems that the Buffer is empty because the conversion stops when the first non-hex character is found. In this case, m, which is the first character is not under the [0-9][A-F] range, so the buffer is empty and the salt is empty as well. I suggest using 'utf8' instead of 'hex'.

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