@@ -317,6 +317,7 @@ static bool is_valid_csum_type(u16 csum_type)
case BTRFS_CSUM_TYPE_CRC32:
case BTRFS_CSUM_TYPE_XXHASH:
case BTRFS_CSUM_TYPE_SHA256:
+ case BTRFS_CSUM_TYPE_BLAKE2:
return true;
default:
return false;
@@ -2,6 +2,7 @@
#include "crypto/crc32c.h"
#include "crypto/xxhash.h"
#include "crypto/sha.h"
+#include "crypto/blake2.h"
int hash_crc32c(const u8* buf, size_t length, u8 *out)
{
@@ -37,3 +38,14 @@ int hash_sha256(const u8 *buf, size_t len, u8 *out)
return 0;
}
+
+int hash_blake2b(const u8 *buf, size_t len, u8 *out)
+{
+ blake2b_state S;
+
+ blake2b_init(&S, CRYPTO_HASH_SIZE_MAX);
+ blake2b_update(&S, buf, len);
+ blake2b_final(&S, out, CRYPTO_HASH_SIZE_MAX);
+
+ return 0;
+}
@@ -8,5 +8,6 @@
int hash_crc32c(const u8 *buf, size_t length, u8 *out);
int hash_xxhash(const u8 *buf, size_t length, u8 *out);
int hash_sha256(const u8 *buf, size_t length, u8 *out);
+int hash_blake2b(const u8 *buf, size_t length, u8 *out);
#endif
@@ -45,6 +45,7 @@ static const struct btrfs_csum {
[BTRFS_CSUM_TYPE_CRC32] = { 4, "crc32c" },
[BTRFS_CSUM_TYPE_XXHASH] = { 8, "xxhash64" },
[BTRFS_CSUM_TYPE_SHA256] = { 32, "sha256" },
+ [BTRFS_CSUM_TYPE_BLAKE2] = { 32, "blake2" },
};
u16 btrfs_super_csum_size(const struct btrfs_super_block *sb)
@@ -169,6 +169,7 @@ enum btrfs_csum_type {
BTRFS_CSUM_TYPE_CRC32 = 0,
BTRFS_CSUM_TYPE_XXHASH = 1,
BTRFS_CSUM_TYPE_SHA256 = 2,
+ BTRFS_CSUM_TYPE_BLAKE2 = 3,
};
#define BTRFS_EMPTY_DIR_SIZE 0
@@ -150,6 +150,8 @@ int btrfs_csum_data(u16 csum_type, const u8 *data, u8 *out, size_t len)
return hash_xxhash(data, len, out);
case BTRFS_CSUM_TYPE_SHA256:
return hash_sha256(data, len, out);
+ case BTRFS_CSUM_TYPE_BLAKE2:
+ return hash_blake2b(data, len, out);
default:
fprintf(stderr, "ERROR: unknown csum type: %d\n", csum_type);
ASSERT(0);
@@ -397,6 +397,9 @@ static enum btrfs_csum_type parse_csum_type(const char *s)
return BTRFS_CSUM_TYPE_XXHASH;
} else if (strcasecmp(s, "sha256") == 0) {
return BTRFS_CSUM_TYPE_SHA256;
+ } else if (strcasecmp(s, "blake2b") == 0 ||
+ strcasecmp(s, "blake2") == 0) {
+ return BTRFS_CSUM_TYPE_BLAKE2;
} else {
error("unknown csum type %s", s);
exit(1);
Add definition, crypto wrappers and support to mkfs for blake2 for checksumming. There are 2 aliases either blake2 or blake2b. Signed-off-by: David Sterba <dsterba@suse.com> --- cmds/inspect-dump-super.c | 1 + crypto/hash.c | 12 ++++++++++++ crypto/hash.h | 1 + ctree.c | 1 + ctree.h | 1 + disk-io.c | 2 ++ mkfs/main.c | 3 +++ 7 files changed, 21 insertions(+)