decrypting messages about flowcrypt-android HOT 11 CLOSED

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I have some questions:

1. Can I detect if an email simple or encrypted?
2. PgpKeyInfo. What is String longid? Where to take it?

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1. Yes I wil give you a function that lets you detect it
2. you can do k = js.crypto_key_read(....); and then k.getLongid(); - you should do this when saving the key

great work!

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PgpKeyInfo. What is String longid? Where to take it?

I mean, when I create PgpKeyInfo pgpKeyInfo = new PgpKeyInfo(armoredKey, longid), where to take longid? I can generate longid random or I must take it from some code?

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Longid is unique to each key and you have to get it from the key.

You have to get it when importing the key and save it along with the key. When you import, you are doing something like "key = js.crypto_key_read(....);". On that "key" variable you get, do key.getLongid() and save that along with the key.

Letter when JS is searching for that key, you can serve it based on the associated longid.

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Sorry, I'm on my phone. Actually, you need to do "js.crypto_key_longid(key)" on that PgpKey variable during import.

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That will give you longid. Save that when importing each key.

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This one:

public String crypto_key_longid(PgpKey key)

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Can I detect if an email simple or encrypted?

Later I will give you a sophisticated method that will parse out all details of an email and give it to you in an object. Some parts of email may be encrypted, some may be plain text, it may contain other elements like signatures or public keys and so on. We will look into that when we are done with the prototype.

For now, you can use js.crypto_armor_clip() for this. Supply it with text, and if the text contains an encrypted message, it will return you the string of the encrypted message - clipped so that you can put it into js.crypto_message_decrypt(). If there is no encrypted message in supplied text, it will return null.

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