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| author | Daniel P. Berrange <berrange@redhat.com> | 2015-07-01 18:10:33 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-08 13:11:01 +0200 |
| commit | 62893b67cd82bbd48b013c1cec25f0d863612c80 (patch) | |
| tree | fdcded03d2afd85f14e082d1264808ac8b0e4abb /crypto/cipher.c | |
| parent | ca38a4cc9e36647437b837b346a41981fb8880cd (diff) | |
| download | qemu-62893b67cd82bbd48b013c1cec25f0d863612c80.tar.gz qemu-62893b67cd82bbd48b013c1cec25f0d863612c80.tar.bz2 qemu-62893b67cd82bbd48b013c1cec25f0d863612c80.zip | |
crypto: add a gcrypt cipher implementation
If we are linking to gnutls already and gnutls is built against
gcrypt, then we should use gcrypt as a cipher backend in
preference to our built-in backend.
This will be used when linking against GNUTLS 1.x and many
GNUTLS 2.x versions.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1435770638-25715-6-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'crypto/cipher.c')
| -rw-r--r-- | crypto/cipher.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c index 0944827fa1..ed4d854a13 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -20,6 +20,7 @@ #include "crypto/cipher.h" + static size_t alg_key_len[QCRYPTO_CIPHER_ALG_LAST] = { [QCRYPTO_CIPHER_ALG_AES_128] = 16, [QCRYPTO_CIPHER_ALG_AES_192] = 24, @@ -46,4 +47,26 @@ qcrypto_cipher_validate_key_length(QCryptoCipherAlgorithm alg, return true; } +#if defined(CONFIG_GNUTLS_GCRYPT) +static uint8_t * +qcrypto_cipher_munge_des_rfb_key(const uint8_t *key, + size_t nkey) +{ + uint8_t *ret = g_new0(uint8_t, nkey); + size_t i; + for (i = 0; i < nkey; i++) { + uint8_t r = key[i]; + r = (r & 0xf0) >> 4 | (r & 0x0f) << 4; + r = (r & 0xcc) >> 2 | (r & 0x33) << 2; + r = (r & 0xaa) >> 1 | (r & 0x55) << 1; + ret[i] = r; + } + return ret; +} +#endif /* CONFIG_GNUTLS_GCRYPT */ + +#ifdef CONFIG_GNUTLS_GCRYPT +#include "crypto/cipher-gcrypt.c" +#else #include "crypto/cipher-builtin.c" +#endif |