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Diffstat (limited to 'plugins/crypto-vala/src/cipher_converter.vala')
-rw-r--r--plugins/crypto-vala/src/cipher_converter.vala102
1 files changed, 0 insertions, 102 deletions
diff --git a/plugins/crypto-vala/src/cipher_converter.vala b/plugins/crypto-vala/src/cipher_converter.vala
deleted file mode 100644
index b2b52c5a..00000000
--- a/plugins/crypto-vala/src/cipher_converter.vala
+++ /dev/null
@@ -1,102 +0,0 @@
-using GLib;
-
-namespace Crypto {
-public abstract class SymmetricCipherConverter : Converter, Object {
- internal SymmetricCipher cipher;
- internal size_t attached_taglen;
-
- public abstract ConverterResult convert(uint8[] inbuf, uint8[] outbuf, ConverterFlags flags, out size_t bytes_read, out size_t bytes_written) throws IOError;
-
- public uint8[] get_tag(size_t taglen) throws Error {
- return cipher.get_tag(taglen);
- }
-
- public void check_tag(uint8[] tag) throws Error {
- cipher.check_tag(tag);
- }
-
- public void reset() {
- try {
- cipher.reset();
- } catch (Crypto.Error e) {
- warning(@"$(e.domain) error while resetting cipher: $(e.message)");
- }
- }
-}
-
-public class SymmetricCipherEncrypter : SymmetricCipherConverter {
- public SymmetricCipherEncrypter(owned SymmetricCipher cipher, size_t attached_taglen = 0) {
- this.cipher = (owned) cipher;
- this.attached_taglen = attached_taglen;
- }
-
- public override ConverterResult convert(uint8[] inbuf, uint8[] outbuf, ConverterFlags flags, out size_t bytes_read, out size_t bytes_written) throws IOError {
- if (inbuf.length > outbuf.length) {
- throw new IOError.NO_SPACE("CipherConverter needs at least the size of input as output space");
- }
- if ((flags & ConverterFlags.INPUT_AT_END) != 0 && inbuf.length + attached_taglen > outbuf.length) {
- throw new IOError.NO_SPACE("CipherConverter needs additional output space to attach tag");
- }
- try {
- if (inbuf.length > 0) {
- cipher.encrypt(outbuf, inbuf);
- }
- bytes_read = inbuf.length;
- bytes_written = inbuf.length;
- if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
- if (attached_taglen > 0) {
- Memory.copy((uint8*)outbuf + inbuf.length, get_tag(attached_taglen), attached_taglen);
- bytes_written = inbuf.length + attached_taglen;
- }
- return ConverterResult.FINISHED;
- }
- if ((flags & ConverterFlags.FLUSH) != 0) {
- return ConverterResult.FLUSHED;
- }
- return ConverterResult.CONVERTED;
- } catch (Crypto.Error e) {
- throw new IOError.FAILED(@"$(e.domain) error while decrypting: $(e.message)");
- }
- }
-}
-
-public class SymmetricCipherDecrypter : SymmetricCipherConverter {
- public SymmetricCipherDecrypter(owned SymmetricCipher cipher, size_t attached_taglen = 0) {
- this.cipher = (owned) cipher;
- this.attached_taglen = attached_taglen;
- }
-
- public override ConverterResult convert(uint8[] inbuf, uint8[] outbuf, ConverterFlags flags, out size_t bytes_read, out size_t bytes_written) throws IOError {
- if (inbuf.length > outbuf.length + attached_taglen) {
- throw new IOError.NO_SPACE("CipherConverter needs at least the size of input as output space");
- }
- if ((flags & ConverterFlags.INPUT_AT_END) != 0 && inbuf.length < attached_taglen) {
- throw new IOError.PARTIAL_INPUT("CipherConverter needs additional input to read tag");
- } else if ((flags & ConverterFlags.INPUT_AT_END) == 0 && inbuf.length < attached_taglen + 1) {
- throw new IOError.PARTIAL_INPUT("CipherConverter needs additional input to make sure to not accidentally read tag");
- }
- try {
- inbuf.length -= (int) attached_taglen;
- if (inbuf.length > 0) {
- cipher.decrypt(outbuf, inbuf);
- }
- bytes_read = inbuf.length;
- bytes_written = inbuf.length;
- inbuf.length += (int) attached_taglen;
- if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
- if (attached_taglen > 0) {
- check_tag(inbuf[(inbuf.length - attached_taglen):inbuf.length]);
- bytes_read = inbuf.length;
- }
- return ConverterResult.FINISHED;
- }
- if ((flags & ConverterFlags.FLUSH) != 0) {
- return ConverterResult.FLUSHED;
- }
- return ConverterResult.CONVERTED;
- } catch (Crypto.Error e) {
- throw new IOError.FAILED(@"$(e.domain) error while decrypting: $(e.message)");
- }
- }
-}
-}