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Diffstat (limited to 'crypto/pbkdf-nettle.c')
-rw-r--r--crypto/pbkdf-nettle.c71
1 files changed, 61 insertions, 10 deletions
diff --git a/crypto/pbkdf-nettle.c b/crypto/pbkdf-nettle.c
index d681a606f9..6fb2671656 100644
--- a/crypto/pbkdf-nettle.c
+++ b/crypto/pbkdf-nettle.c
@@ -20,6 +20,7 @@
#include "qemu/osdep.h"
#include <nettle/pbkdf2.h>
+#include <nettle/hmac.h>
#include "qapi/error.h"
#include "crypto/pbkdf.h"
@@ -28,7 +29,11 @@ bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash)
{
switch (hash) {
case QCRYPTO_HASH_ALG_SHA1:
+ case QCRYPTO_HASH_ALG_SHA224:
case QCRYPTO_HASH_ALG_SHA256:
+ case QCRYPTO_HASH_ALG_SHA384:
+ case QCRYPTO_HASH_ALG_SHA512:
+ case QCRYPTO_HASH_ALG_RIPEMD160:
return true;
default:
return false;
@@ -38,28 +43,74 @@ bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash)
int qcrypto_pbkdf2(QCryptoHashAlgorithm hash,
const uint8_t *key, size_t nkey,
const uint8_t *salt, size_t nsalt,
- unsigned int iterations,
+ uint64_t iterations,
uint8_t *out, size_t nout,
Error **errp)
{
+ union {
+ struct hmac_md5_ctx md5;
+ struct hmac_sha1_ctx sha1;
+ struct hmac_sha224_ctx sha224;
+ struct hmac_sha256_ctx sha256;
+ struct hmac_sha384_ctx sha384;
+ struct hmac_sha512_ctx sha512;
+ struct hmac_ripemd160_ctx ripemd160;
+ } ctx;
+
+ if (iterations > UINT_MAX) {
+ error_setg_errno(errp, ERANGE,
+ "PBKDF iterations %llu must be less than %u",
+ (long long unsigned)iterations, UINT_MAX);
+ return -1;
+ }
+
switch (hash) {
+ case QCRYPTO_HASH_ALG_MD5:
+ hmac_md5_set_key(&ctx.md5, nkey, key);
+ PBKDF2(&ctx.md5, hmac_md5_update, hmac_md5_digest,
+ MD5_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+ break;
+
case QCRYPTO_HASH_ALG_SHA1:
- pbkdf2_hmac_sha1(nkey, key,
- iterations,
- nsalt, salt,
- nout, out);
+ hmac_sha1_set_key(&ctx.sha1, nkey, key);
+ PBKDF2(&ctx.sha1, hmac_sha1_update, hmac_sha1_digest,
+ SHA1_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+ break;
+
+ case QCRYPTO_HASH_ALG_SHA224:
+ hmac_sha224_set_key(&ctx.sha224, nkey, key);
+ PBKDF2(&ctx.sha224, hmac_sha224_update, hmac_sha224_digest,
+ SHA224_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
break;
case QCRYPTO_HASH_ALG_SHA256:
- pbkdf2_hmac_sha256(nkey, key,
- iterations,
- nsalt, salt,
- nout, out);
+ hmac_sha256_set_key(&ctx.sha256, nkey, key);
+ PBKDF2(&ctx.sha256, hmac_sha256_update, hmac_sha256_digest,
+ SHA256_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+ break;
+
+ case QCRYPTO_HASH_ALG_SHA384:
+ hmac_sha384_set_key(&ctx.sha384, nkey, key);
+ PBKDF2(&ctx.sha384, hmac_sha384_update, hmac_sha384_digest,
+ SHA384_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+ break;
+
+ case QCRYPTO_HASH_ALG_SHA512:
+ hmac_sha512_set_key(&ctx.sha512, nkey, key);
+ PBKDF2(&ctx.sha512, hmac_sha512_update, hmac_sha512_digest,
+ SHA512_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
+ break;
+
+ case QCRYPTO_HASH_ALG_RIPEMD160:
+ hmac_ripemd160_set_key(&ctx.ripemd160, nkey, key);
+ PBKDF2(&ctx.ripemd160, hmac_ripemd160_update, hmac_ripemd160_digest,
+ RIPEMD160_DIGEST_SIZE, iterations, nsalt, salt, nout, out);
break;
default:
error_setg_errno(errp, ENOSYS,
- "PBKDF does not support hash algorithm %d", hash);
+ "PBKDF does not support hash algorithm %s",
+ QCryptoHashAlgorithm_lookup[hash]);
return -1;
}
return 0;