diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-08-28 10:05:14 -0700 |
|---|---|---|
| committer | Daniel P. Berrangé <berrange@redhat.com> | 2020-09-10 11:02:23 +0100 |
| commit | 3eedf5cc9d45f94e2fd229f0a7aaca556a4ac734 (patch) | |
| tree | 8295084987ae1c2929d684ce02a376ab8635939a /crypto/cipher-gcrypt.c.inc | |
| parent | 7b5dbfb777ff4894ebcd71f5014d26abeef916c6 (diff) | |
crypto: Allocate QCryptoCipher with the subclass
Merge the allocation of "opaque" into the allocation of "cipher".
This is step one in reducing the indirection in these classes.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto/cipher-gcrypt.c.inc')
| -rw-r--r-- | crypto/cipher-gcrypt.c.inc | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/crypto/cipher-gcrypt.c.inc b/crypto/cipher-gcrypt.c.inc index 18850fadb9..3b3c85e265 100644 --- a/crypto/cipher-gcrypt.c.inc +++ b/crypto/cipher-gcrypt.c.inc @@ -58,6 +58,7 @@ bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg, typedef struct QCryptoCipherGcrypt QCryptoCipherGcrypt; struct QCryptoCipherGcrypt { + QCryptoCipher base; gcry_cipher_hd_t handle; size_t blocksize; #ifdef CONFIG_QEMU_PRIVATE_XTS @@ -86,11 +87,11 @@ qcrypto_gcrypt_cipher_free_ctx(QCryptoCipherGcrypt *ctx, } -static QCryptoCipherGcrypt *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) { QCryptoCipherGcrypt *ctx; gcry_error_t err; @@ -257,7 +258,7 @@ static QCryptoCipherGcrypt *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, } #endif - return ctx; + return &ctx->base; error: qcrypto_gcrypt_cipher_free_ctx(ctx, mode); @@ -268,7 +269,9 @@ static QCryptoCipherGcrypt *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, static void qcrypto_gcrypt_cipher_ctx_free(QCryptoCipher *cipher) { - qcrypto_gcrypt_cipher_free_ctx(cipher->opaque, cipher->mode); + QCryptoCipherGcrypt *ctx = container_of(cipher, QCryptoCipherGcrypt, base); + + qcrypto_gcrypt_cipher_free_ctx(ctx, cipher->mode); } @@ -301,7 +304,7 @@ qcrypto_gcrypt_cipher_encrypt(QCryptoCipher *cipher, size_t len, Error **errp) { - QCryptoCipherGcrypt *ctx = cipher->opaque; + QCryptoCipherGcrypt *ctx = container_of(cipher, QCryptoCipherGcrypt, base); gcry_error_t err; if (len & (ctx->blocksize - 1)) { @@ -340,7 +343,7 @@ qcrypto_gcrypt_cipher_decrypt(QCryptoCipher *cipher, size_t len, Error **errp) { - QCryptoCipherGcrypt *ctx = cipher->opaque; + QCryptoCipherGcrypt *ctx = container_of(cipher, QCryptoCipherGcrypt, base); gcry_error_t err; if (len & (ctx->blocksize - 1)) { @@ -376,7 +379,7 @@ qcrypto_gcrypt_cipher_setiv(QCryptoCipher *cipher, const uint8_t *iv, size_t niv, Error **errp) { - QCryptoCipherGcrypt *ctx = cipher->opaque; + QCryptoCipherGcrypt *ctx = container_of(cipher, QCryptoCipherGcrypt, base); gcry_error_t err; if (niv != ctx->blocksize) { |