diff options
Diffstat (limited to 'crypto/cipher-nettle.c')
| -rw-r--r-- | crypto/cipher-nettle.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/crypto/cipher-nettle.c b/crypto/cipher-nettle.c index 74b55abee0..9b057fd6a3 100644 --- a/crypto/cipher-nettle.c +++ b/crypto/cipher-nettle.c @@ -25,6 +25,7 @@ #include <nettle/cbc.h> #include <nettle/cast128.h> #include <nettle/serpent.h> +#include <nettle/twofish.h> #if CONFIG_NETTLE_VERSION_MAJOR < 3 typedef nettle_crypt_func nettle_cipher_func; @@ -89,6 +90,18 @@ static void serpent_decrypt_wrapper(cipher_ctx_t ctx, cipher_length_t length, serpent_decrypt(ctx, length, dst, src); } +static void twofish_encrypt_wrapper(cipher_ctx_t ctx, cipher_length_t length, + uint8_t *dst, const uint8_t *src) +{ + twofish_encrypt(ctx, length, dst, src); +} + +static void twofish_decrypt_wrapper(cipher_ctx_t ctx, cipher_length_t length, + uint8_t *dst, const uint8_t *src) +{ + twofish_decrypt(ctx, length, dst, src); +} + typedef struct QCryptoCipherNettle QCryptoCipherNettle; struct QCryptoCipherNettle { void *ctx_encrypt; @@ -110,6 +123,9 @@ bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg) case QCRYPTO_CIPHER_ALG_SERPENT_128: case QCRYPTO_CIPHER_ALG_SERPENT_192: case QCRYPTO_CIPHER_ALG_SERPENT_256: + case QCRYPTO_CIPHER_ALG_TWOFISH_128: + case QCRYPTO_CIPHER_ALG_TWOFISH_192: + case QCRYPTO_CIPHER_ALG_TWOFISH_256: return true; default: return false; @@ -200,6 +216,20 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg, ctx->blocksize = SERPENT_BLOCK_SIZE; break; + case QCRYPTO_CIPHER_ALG_TWOFISH_128: + case QCRYPTO_CIPHER_ALG_TWOFISH_192: + case QCRYPTO_CIPHER_ALG_TWOFISH_256: + ctx->ctx_encrypt = g_new0(struct twofish_ctx, 1); + ctx->ctx_decrypt = NULL; /* 1 ctx can do both */ + + twofish_set_key(ctx->ctx_encrypt, nkey, key); + + ctx->alg_encrypt = twofish_encrypt_wrapper; + ctx->alg_decrypt = twofish_decrypt_wrapper; + + ctx->blocksize = TWOFISH_BLOCK_SIZE; + break; + default: error_setg(errp, "Unsupported cipher algorithm %d", alg); goto error; |