diff options
Diffstat (limited to 'crypto/hash.c')
-rw-r--r-- | crypto/hash.c | 113 |
1 files changed, 5 insertions, 108 deletions
diff --git a/crypto/hash.c b/crypto/hash.c index b90af3495a..0f1ceac66a 100644 --- a/crypto/hash.c +++ b/crypto/hash.c @@ -22,126 +22,23 @@ #include "qapi/error.h" #include "crypto/hash.h" -#ifdef CONFIG_GNUTLS_HASH -#include <gnutls/gnutls.h> -#include <gnutls/crypto.h> -#endif - - 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, }; size_t qcrypto_hash_digest_len(QCryptoHashAlgorithm alg) { - if (alg >= G_N_ELEMENTS(qcrypto_hash_alg_size)) { - return 0; - } + assert(alg < G_N_ELEMENTS(qcrypto_hash_alg_size)); return qcrypto_hash_alg_size[alg]; } -#ifdef CONFIG_GNUTLS_HASH -static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = { - [QCRYPTO_HASH_ALG_MD5] = GNUTLS_DIG_MD5, - [QCRYPTO_HASH_ALG_SHA1] = GNUTLS_DIG_SHA1, - [QCRYPTO_HASH_ALG_SHA256] = GNUTLS_DIG_SHA256, -}; - -gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg) -{ - if (alg < G_N_ELEMENTS(qcrypto_hash_alg_map)) { - return true; - } - return false; -} - - -int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg, - const struct iovec *iov, - size_t niov, - uint8_t **result, - size_t *resultlen, - Error **errp) -{ - int i, ret; - gnutls_hash_hd_t dig; - - if (alg >= G_N_ELEMENTS(qcrypto_hash_alg_map)) { - error_setg(errp, - "Unknown hash algorithm %d", - alg); - return -1; - } - - ret = gnutls_hash_init(&dig, qcrypto_hash_alg_map[alg]); - - if (ret < 0) { - error_setg(errp, - "Unable to initialize hash algorithm: %s", - gnutls_strerror(ret)); - return -1; - } - - for (i = 0; i < niov; i++) { - ret = gnutls_hash(dig, iov[i].iov_base, iov[i].iov_len); - if (ret < 0) { - error_setg(errp, - "Unable process hash data: %s", - gnutls_strerror(ret)); - goto error; - } - } - - ret = gnutls_hash_get_len(qcrypto_hash_alg_map[alg]); - if (ret <= 0) { - error_setg(errp, - "Unable to get hash length: %s", - gnutls_strerror(ret)); - goto error; - } - if (*resultlen == 0) { - *resultlen = ret; - *result = g_new0(uint8_t, *resultlen); - } else if (*resultlen != ret) { - error_setg(errp, - "Result buffer size %zu is smaller than hash %d", - *resultlen, ret); - goto error; - } - - gnutls_hash_deinit(dig, *result); - return 0; - - error: - gnutls_hash_deinit(dig, NULL); - return -1; -} - -#else /* ! CONFIG_GNUTLS_HASH */ - -gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg G_GNUC_UNUSED) -{ - return false; -} - -int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg, - const struct iovec *iov G_GNUC_UNUSED, - size_t niov G_GNUC_UNUSED, - uint8_t **result G_GNUC_UNUSED, - size_t *resultlen G_GNUC_UNUSED, - Error **errp) -{ - error_setg(errp, - "Hash algorithm %d not supported without GNUTLS", - alg); - return -1; -} - -#endif /* ! CONFIG_GNUTLS_HASH */ - int qcrypto_hash_bytes(QCryptoHashAlgorithm alg, const char *buf, size_t len, |