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35 lines
761 B
35 lines
761 B
// +build !without_openssl |
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package stupidgcm |
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import ( |
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"crypto/cipher" |
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"log" |
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"golang.org/x/crypto/chacha20poly1305" |
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) |
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/* |
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#include <openssl/evp.h> |
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*/ |
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import "C" |
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type stupidChacha20poly1305 struct { |
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stupidAEADCommon |
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} |
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// Verify that we satisfy the cipher.AEAD interface |
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var _ cipher.AEAD = &stupidChacha20poly1305{} |
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func NewChacha20poly1305(key []byte) *stupidChacha20poly1305 { |
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if len(key) != chacha20poly1305.KeySize { |
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log.Panicf("Only %d-byte keys are supported, you passed %d bytes", chacha20poly1305.KeySize, len(key)) |
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} |
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return &stupidChacha20poly1305{ |
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stupidAEADCommon{ |
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key: append([]byte{}, key...), // private copy |
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openSSLEVPCipher: C.EVP_chacha20_poly1305(), |
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nonceSize: chacha20poly1305.NonceSize, |
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}, |
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} |
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}
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