diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/cipher-nettle.c.inc | 25 | ||||
| -rw-r--r-- | crypto/hash-glib.c | 2 | ||||
| -rw-r--r-- | crypto/hash.c | 14 | ||||
| -rw-r--r-- | crypto/meson.build | 4 | ||||
| -rw-r--r-- | crypto/pbkdf-gcrypt.c | 2 | ||||
| -rw-r--r-- | crypto/pbkdf-gnutls.c | 2 | ||||
| -rw-r--r-- | crypto/pbkdf.c | 53 | ||||
| -rw-r--r-- | crypto/x509-utils.c | 76 |
8 files changed, 155 insertions, 23 deletions
diff --git a/crypto/cipher-nettle.c.inc b/crypto/cipher-nettle.c.inc index 42b39e18a2..2654b439c1 100644 --- a/crypto/cipher-nettle.c.inc +++ b/crypto/cipher-nettle.c.inc @@ -525,8 +525,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_des_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleDES, 1); @@ -551,8 +553,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_des3_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleDES3, 1); @@ -663,8 +667,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_cast128_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleCAST128, 1); @@ -734,16 +740,23 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, #ifdef CONFIG_CRYPTO_SM4 case QCRYPTO_CIPHER_ALG_SM4: { - QCryptoNettleSm4 *ctx = g_new0(QCryptoNettleSm4, 1); + QCryptoNettleSm4 *ctx; + const QCryptoCipherDriver *drv; switch (mode) { case QCRYPTO_CIPHER_MODE_ECB: - ctx->base.driver = &qcrypto_nettle_sm4_driver_ecb; + drv = &qcrypto_nettle_sm4_driver_ecb; break; - default: + case QCRYPTO_CIPHER_MODE_CBC: + case QCRYPTO_CIPHER_MODE_CTR: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } + ctx = g_new0(QCryptoNettleSm4, 1); + ctx->base.driver = drv; sm4_set_encrypt_key(&ctx->key[0], key); sm4_set_decrypt_key(&ctx->key[1], key); diff --git a/crypto/hash-glib.c b/crypto/hash-glib.c index 82de9db705..18e64faa9c 100644 --- a/crypto/hash-glib.c +++ b/crypto/hash-glib.c @@ -29,7 +29,7 @@ static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = { [QCRYPTO_HASH_ALG_SHA1] = G_CHECKSUM_SHA1, [QCRYPTO_HASH_ALG_SHA224] = -1, [QCRYPTO_HASH_ALG_SHA256] = G_CHECKSUM_SHA256, - [QCRYPTO_HASH_ALG_SHA384] = -1, + [QCRYPTO_HASH_ALG_SHA384] = G_CHECKSUM_SHA384, [QCRYPTO_HASH_ALG_SHA512] = G_CHECKSUM_SHA512, [QCRYPTO_HASH_ALG_RIPEMD160] = -1, }; diff --git a/crypto/hash.c b/crypto/hash.c index b0f8228bdc..8087f5dae6 100644 --- a/crypto/hash.c +++ b/crypto/hash.c @@ -23,13 +23,13 @@ #include "hashpriv.h" static size_t qcrypto_hash_alg_size[QCRYPTO_HASH_ALG__MAX] = { - [QCRYPTO_HASH_ALG_MD5] = 16, - [QCRYPTO_HASH_ALG_SHA1] = 20, - [QCRYPTO_HASH_ALG_SHA224] = 28, - [QCRYPTO_HASH_ALG_SHA256] = 32, - [QCRYPTO_HASH_ALG_SHA384] = 48, - [QCRYPTO_HASH_ALG_SHA512] = 64, - [QCRYPTO_HASH_ALG_RIPEMD160] = 20, + [QCRYPTO_HASH_ALG_MD5] = QCRYPTO_HASH_DIGEST_LEN_MD5, + [QCRYPTO_HASH_ALG_SHA1] = QCRYPTO_HASH_DIGEST_LEN_SHA1, + [QCRYPTO_HASH_ALG_SHA224] = QCRYPTO_HASH_DIGEST_LEN_SHA224, + [QCRYPTO_HASH_ALG_SHA256] = QCRYPTO_HASH_DIGEST_LEN_SHA256, + [QCRYPTO_HASH_ALG_SHA384] = QCRYPTO_HASH_DIGEST_LEN_SHA384, + [QCRYPTO_HASH_ALG_SHA512] = QCRYPTO_HASH_DIGEST_LEN_SHA512, + [QCRYPTO_HASH_ALG_RIPEMD160] = QCRYPTO_HASH_DIGEST_LEN_RIPEMD160, }; size_t qcrypto_hash_digest_len(QCryptoHashAlgorithm alg) diff --git a/crypto/meson.build b/crypto/meson.build index c46f9c22a7..735635de1f 100644 --- a/crypto/meson.build +++ b/crypto/meson.build @@ -24,6 +24,10 @@ crypto_ss.add(files( 'rsakey.c', )) +if gnutls.found() + crypto_ss.add(files('x509-utils.c')) +endif + if nettle.found() crypto_ss.add(nettle, files('hash-nettle.c', 'hmac-nettle.c', 'pbkdf-nettle.c')) if hogweed.found() diff --git a/crypto/pbkdf-gcrypt.c b/crypto/pbkdf-gcrypt.c index a8d8e64f4d..bc0719c831 100644 --- a/crypto/pbkdf-gcrypt.c +++ b/crypto/pbkdf-gcrypt.c @@ -33,7 +33,7 @@ bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash) case QCRYPTO_HASH_ALG_SHA384: case QCRYPTO_HASH_ALG_SHA512: case QCRYPTO_HASH_ALG_RIPEMD160: - return true; + return qcrypto_hash_supports(hash); default: return false; } diff --git a/crypto/pbkdf-gnutls.c b/crypto/pbkdf-gnutls.c index 2dfbbd382c..911b565bea 100644 --- a/crypto/pbkdf-gnutls.c +++ b/crypto/pbkdf-gnutls.c @@ -33,7 +33,7 @@ bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash) case QCRYPTO_HASH_ALG_SHA384: case QCRYPTO_HASH_ALG_SHA512: case QCRYPTO_HASH_ALG_RIPEMD160: - return true; + return qcrypto_hash_supports(hash); default: return false; } diff --git a/crypto/pbkdf.c b/crypto/pbkdf.c index 8d198c152c..d1c06ef3ed 100644 --- a/crypto/pbkdf.c +++ b/crypto/pbkdf.c @@ -19,6 +19,7 @@ */ #include "qemu/osdep.h" +#include "qemu/thread.h" #include "qapi/error.h" #include "crypto/pbkdf.h" #ifndef _WIN32 @@ -85,12 +86,28 @@ static int qcrypto_pbkdf2_get_thread_cpu(unsigned long long *val_ms, #endif } -uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash, - const uint8_t *key, size_t nkey, - const uint8_t *salt, size_t nsalt, - size_t nout, - Error **errp) +typedef struct CountItersData { + QCryptoHashAlgorithm hash; + const uint8_t *key; + size_t nkey; + const uint8_t *salt; + size_t nsalt; + size_t nout; + uint64_t iterations; + Error **errp; +} CountItersData; + +static void *threaded_qcrypto_pbkdf2_count_iters(void *data) { + CountItersData *iters_data = (CountItersData *) data; + QCryptoHashAlgorithm hash = iters_data->hash; + const uint8_t *key = iters_data->key; + size_t nkey = iters_data->nkey; + const uint8_t *salt = iters_data->salt; + size_t nsalt = iters_data->nsalt; + size_t nout = iters_data->nout; + Error **errp = iters_data->errp; + uint64_t ret = -1; g_autofree uint8_t *out = g_new(uint8_t, nout); uint64_t iterations = (1 << 15); @@ -114,7 +131,10 @@ uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash, delta_ms = end_ms - start_ms; - if (delta_ms > 500) { + if (delta_ms == 0) { /* sanity check */ + error_setg(errp, "Unable to get accurate CPU usage"); + goto cleanup; + } else if (delta_ms > 500) { break; } else if (delta_ms < 100) { iterations = iterations * 10; @@ -129,5 +149,24 @@ uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash, cleanup: memset(out, 0, nout); - return ret; + iters_data->iterations = ret; + return NULL; +} + +uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash, + const uint8_t *key, size_t nkey, + const uint8_t *salt, size_t nsalt, + size_t nout, + Error **errp) +{ + CountItersData data = { + hash, key, nkey, salt, nsalt, nout, 0, errp + }; + QemuThread thread; + + qemu_thread_create(&thread, "pbkdf2", threaded_qcrypto_pbkdf2_count_iters, + &data, QEMU_THREAD_JOINABLE); + qemu_thread_join(&thread); + + return data.iterations; } diff --git a/crypto/x509-utils.c b/crypto/x509-utils.c new file mode 100644 index 0000000000..6e157af76b --- /dev/null +++ b/crypto/x509-utils.c @@ -0,0 +1,76 @@ +/* + * X.509 certificate related helpers + * + * Copyright (c) 2024 Dorjoy Chowdhury <dorjoychy111@gmail.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * (at your option) any later version. See the COPYING file in the + * top-level directory. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "crypto/x509-utils.h" +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <gnutls/x509.h> + +static const int qcrypto_to_gnutls_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = { + [QCRYPTO_HASH_ALG_MD5] = GNUTLS_DIG_MD5, + [QCRYPTO_HASH_ALG_SHA1] = GNUTLS_DIG_SHA1, + [QCRYPTO_HASH_ALG_SHA224] = GNUTLS_DIG_SHA224, + [QCRYPTO_HASH_ALG_SHA256] = GNUTLS_DIG_SHA256, + [QCRYPTO_HASH_ALG_SHA384] = GNUTLS_DIG_SHA384, + [QCRYPTO_HASH_ALG_SHA512] = GNUTLS_DIG_SHA512, + [QCRYPTO_HASH_ALG_RIPEMD160] = GNUTLS_DIG_RMD160, +}; + +int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size, + QCryptoHashAlgorithm alg, + uint8_t *result, + size_t *resultlen, + Error **errp) +{ + int ret = -1; + int hlen; + gnutls_x509_crt_t crt; + gnutls_datum_t datum = {.data = cert, .size = size}; + + if (alg >= G_N_ELEMENTS(qcrypto_to_gnutls_hash_alg_map)) { + error_setg(errp, "Unknown hash algorithm"); + return -1; + } + + if (result == NULL) { + error_setg(errp, "No valid buffer given"); + return -1; + } + + gnutls_x509_crt_init(&crt); + + if (gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM) != 0) { + error_setg(errp, "Failed to import certificate"); + goto cleanup; + } + + hlen = gnutls_hash_get_len(qcrypto_to_gnutls_hash_alg_map[alg]); + if (*resultlen < hlen) { + error_setg(errp, + "Result buffer size %zu is smaller than hash %d", + *resultlen, hlen); + goto cleanup; + } + + if (gnutls_x509_crt_get_fingerprint(crt, + qcrypto_to_gnutls_hash_alg_map[alg], + result, resultlen) != 0) { + error_setg(errp, "Failed to get fingerprint from certificate"); + goto cleanup; + } + + ret = 0; + + cleanup: + gnutls_x509_crt_deinit(crt); + return ret; +} |