diff options
Diffstat (limited to 'openpgp/src/crypto/backend/nettle/symmetric.rs')
| -rw-r--r-- | openpgp/src/crypto/backend/nettle/symmetric.rs | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/openpgp/src/crypto/backend/nettle/symmetric.rs b/openpgp/src/crypto/backend/nettle/symmetric.rs index 2faaaa03..9611701d 100644 --- a/openpgp/src/crypto/backend/nettle/symmetric.rs +++ b/openpgp/src/crypto/backend/nettle/symmetric.rs @@ -143,4 +143,78 @@ impl SymmetricAlgorithm { _ => Err(Error::UnsupportedSymmetricAlgorithm(self).into()) } } + + /// Creates a Nettle context for encrypting in CBC mode. + pub(crate) fn make_encrypt_cbc(self, key: &[u8]) -> Result<Box<dyn Mode>> { + match self { + SymmetricAlgorithm::TripleDES => + Ok(Box::new( + mode::Cbc::<cipher::Des3>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::CAST5 => + Ok(Box::new( + mode::Cbc::<cipher::Cast128>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::Blowfish => + Ok(Box::new( + mode::Cbc::<cipher::Blowfish>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::AES128 => + Ok(Box::new( + mode::Cbc::<cipher::Aes128>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::AES192 => + Ok(Box::new( + mode::Cbc::<cipher::Aes192>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::AES256 => + Ok(Box::new( + mode::Cbc::<cipher::Aes256>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::Twofish => + Ok(Box::new( + mode::Cbc::<cipher::Twofish>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia128 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia128>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia192 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia192>::with_encrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia256 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia256>::with_encrypt_key(&key[..])?)), + _ => Err(Error::UnsupportedSymmetricAlgorithm(self).into()), + } + } + + /// Creates a Nettle context for decrypting in CBC mode. + pub(crate) fn make_decrypt_cbc(self, key: &[u8]) -> Result<Box<dyn Mode>> { + match self { + SymmetricAlgorithm::TripleDES => + Ok(Box::new( + mode::Cbc::<cipher::Des3>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::CAST5 => + Ok(Box::new( + mode::Cbc::<cipher::Cast128>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::Blowfish => + Ok(Box::new( + mode::Cbc::<cipher::Blowfish>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::AES128 => + Ok(Box::new( + mode::Cbc::<cipher::Aes128>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::AES192 => + Ok(Box::new( + mode::Cbc::<cipher::Aes192>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::AES256 => + Ok(Box::new( + mode::Cbc::<cipher::Aes256>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::Twofish => + Ok(Box::new( + mode::Cbc::<cipher::Twofish>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia128 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia128>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia192 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia192>::with_decrypt_key(&key[..])?)), + SymmetricAlgorithm::Camellia256 => + Ok(Box::new( + mode::Cbc::<cipher::Camellia256>::with_decrypt_key(&key[..])?)), + _ => Err(Error::UnsupportedSymmetricAlgorithm(self).into()), + } + } }
\ No newline at end of file |