diff options
Diffstat (limited to 'crypto/cipher-nettle.c.inc')
-rw-r--r-- | crypto/cipher-nettle.c.inc | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/crypto/cipher-nettle.c.inc b/crypto/cipher-nettle.c.inc index 6ecce5e8ea..d8371d1f37 100644 --- a/crypto/cipher-nettle.c.inc +++ b/crypto/cipher-nettle.c.inc @@ -294,6 +294,8 @@ static void twofish_decrypt_wrapper(const void *ctx, size_t length, typedef struct QCryptoCipherNettle QCryptoCipherNettle; struct QCryptoCipherNettle { + QCryptoCipher base; + /* Primary cipher context for all modes */ void *ctx; /* Second cipher context for XTS mode only */ @@ -355,11 +357,11 @@ qcrypto_nettle_cipher_free_ctx(QCryptoCipherNettle *ctx) } -static QCryptoCipherNettle *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, - QCryptoCipherMode mode, - const uint8_t *key, - size_t nkey, - Error **errp) +static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, + QCryptoCipherMode mode, + const uint8_t *key, + size_t nkey, + Error **errp) { QCryptoCipherNettle *ctx; uint8_t *rfbkey; @@ -585,7 +587,7 @@ static QCryptoCipherNettle *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, ctx->iv = g_new0(uint8_t, ctx->blocksize); - return ctx; + return &ctx->base; error: qcrypto_nettle_cipher_free_ctx(ctx); @@ -596,9 +598,8 @@ static QCryptoCipherNettle *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, static void qcrypto_nettle_cipher_ctx_free(QCryptoCipher *cipher) { - QCryptoCipherNettle *ctx; + QCryptoCipherNettle *ctx = container_of(cipher, QCryptoCipherNettle, base); - ctx = cipher->opaque; qcrypto_nettle_cipher_free_ctx(ctx); } @@ -610,7 +611,7 @@ qcrypto_nettle_cipher_encrypt(QCryptoCipher *cipher, size_t len, Error **errp) { - QCryptoCipherNettle *ctx = cipher->opaque; + QCryptoCipherNettle *ctx = container_of(cipher, QCryptoCipherNettle, base); if (len & (ctx->blocksize - 1)) { error_setg(errp, "Length %zu must be a multiple of block size %zu", @@ -663,7 +664,7 @@ qcrypto_nettle_cipher_decrypt(QCryptoCipher *cipher, size_t len, Error **errp) { - QCryptoCipherNettle *ctx = cipher->opaque; + QCryptoCipherNettle *ctx = container_of(cipher, QCryptoCipherNettle, base); if (len & (ctx->blocksize - 1)) { error_setg(errp, "Length %zu must be a multiple of block size %zu", @@ -713,7 +714,8 @@ qcrypto_nettle_cipher_setiv(QCryptoCipher *cipher, const uint8_t *iv, size_t niv, Error **errp) { - QCryptoCipherNettle *ctx = cipher->opaque; + QCryptoCipherNettle *ctx = container_of(cipher, QCryptoCipherNettle, base); + if (niv != ctx->blocksize) { error_setg(errp, "Expected IV size %zu not %zu", ctx->blocksize, niv); |