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https://github.com/rwinkhart/rcw.git
synced 2026-08-28 04:46:42 -04:00
Remove Scrypt
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+2
-2
@@ -19,7 +19,7 @@ func encryptAES(decBytes []byte, passphrase []byte) []byte {
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io.ReadFull(rand.Reader, salt)
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// derive key from passphrase using the salt
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key := deriveKeyScrypt(passphrase, salt)
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key := deriveKey(passphrase, salt)
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// create AES-256 cipher
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block, _ := aes.NewCipher(key)
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@@ -55,7 +55,7 @@ func decryptAES(encBytes []byte, passphrase []byte) ([]byte, error) {
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ciphertext := encBytes[saltSize+nonceSizeAES:]
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// derive key from passphrase using the salt
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key := deriveKeyScrypt(passphrase, salt)
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key := deriveKey(passphrase, salt)
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// create AES-256 cipher
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block, _ := aes.NewCipher(key)
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+2
-2
@@ -19,7 +19,7 @@ func encryptCha(data []byte, passphrase []byte) []byte {
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io.ReadFull(rand.Reader, salt)
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// derive key from passphrase using the salt
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key := deriveKeyArgon2(passphrase, salt)
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key := deriveKey(passphrase, salt)
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// create ChaCha20-Poly1305 cipher
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stream, _ := chacha20poly1305.NewX(key)
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@@ -52,7 +52,7 @@ func decryptCha(encryptedData []byte, passphrase []byte) ([]byte, error) {
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ciphertext := encryptedData[saltSize+nonceSizeCha:]
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// derive key from passphrase using the salt
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key := deriveKeyArgon2(passphrase, salt)
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key := deriveKey(passphrase, salt)
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// create ChaCha20-Poly1305 cipher
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stream, _ := chacha20poly1305.NewX(key)
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+4
-16
@@ -4,7 +4,6 @@ import (
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"runtime"
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"golang.org/x/crypto/argon2"
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"golang.org/x/crypto/scrypt"
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)
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const (
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@@ -12,25 +11,14 @@ const (
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argonTime = 8 // set to pass 1-second test in dev environment
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argonMemory = 384 * 1024 // 384 MB
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// parameters for Scrypt
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scryptN = 262144
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scryptR = 8 // block size, recommended to be 8
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scryptP = 1 // parallelization factor, recommended to be 1
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// general constants
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keyLen = 32 // 256 bits, key length for both algorithms
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saltSize = 16 // 128 bits, recommended salt size for both algorithms
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)
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var threads = uint8(runtime.NumCPU())
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var argonThreads = uint8(runtime.NumCPU())
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// DeriveKeyArgon2 derives an encryption key from a passphrase using Argon2.
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func deriveKeyArgon2(passphrase []byte, salt []byte) []byte {
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return argon2.IDKey(passphrase, salt, argonTime, argonMemory, threads, keyLen)
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}
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// DeriveKeyScrypt derives an encryption key from a passphrase using Scrypt.
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func deriveKeyScrypt(passphrase []byte, salt []byte) []byte {
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key, _ := scrypt.Key(passphrase, salt, scryptN, scryptR, scryptP, keyLen)
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return key
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// DeriveKey derives an encryption key from a passphrase using Argon2.
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func deriveKey(passphrase []byte, salt []byte) []byte {
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return argon2.IDKey(passphrase, salt, argonTime, argonMemory, argonThreads, keyLen)
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}
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