diff --git a/catalyst/hash_utils.py b/catalyst/hash_utils.py
index 1134f50..51fbde8 100644
--- a/catalyst/hash_utils.py
+++ b/catalyst/hash_utils.py
@@ -11,6 +11,7 @@ from catalyst.support import CatalystError
 # fields = ["func", "cmd", "args", "id"]
 HASH_DEFINITIONS = {
 	"adler32"  :["calc_hash2", "shash", ["-a", "ADLER32"], "ADLER32"],
+	"blake2"   :["calc_hash2", "b2sum", [ ], "BLAKE2"],
 	"crc32"    :["calc_hash2", "shash", ["-a", "CRC32"], "CRC32"],
 	"crc32b"   :["calc_hash2", "shash", ["-a", "CRC32B"], "CRC32B"],
 	"gost"     :["calc_hash2", "shash", ["-a", "GOST"], "GOST"],
@@ -94,9 +95,11 @@ class HashMap(object):
 		args = [_hash.cmd]
 		args.extend(_hash.args)
 		args.append(file_)
+		log.debug('args = %r', args)
 		source = Popen(args, stdout=PIPE)
-		mylines = source.communicate()[0]
-		mylines=mylines[0].split()
+		output = source.communicate()
+		mylines = output[0].decode('ascii').split('\n')
+		log.debug('output = %s', mylines)
 		result=mylines[0]
 		log.info('%s (%s) = %s', _hash.id, file_, result)
 		return result
diff --git a/etc/catalyst.conf b/etc/catalyst.conf
index 5a5eedb..ee014c1 100644
--- a/etc/catalyst.conf
+++ b/etc/catalyst.conf
@@ -8,7 +8,7 @@
 # special "auto" keyword will skip digests that the system does not support,
 # and if it's the only keyword given, will default to enabling all digests.
 # Supported hashes:
-# adler32, crc32, crc32b, gost, haval128, haval160, haval192, haval224,
+# adler32, blake2, crc32, crc32b, gost, haval128, haval160, haval192, haval224,
 # haval256, md2, md4, md5, ripemd128, ripemd160, ripemd256, ripemd320, sha1,
 # sha224, sha256, sha384, sha512, snefru128, snefru256, tiger, tiger128,
 # tiger160, whirlpool
@@ -40,7 +40,7 @@ envscript="/etc/catalyst/catalystrc"
 # seedcache, etc.  The default and fastest is crc32.  You should not ever need
 # to change this unless your OS does not support it.
 # Supported hashes:
-# adler32, crc32, crc32b, gost, haval128, haval160, haval192, haval224,
+# adler32, blake2, crc32, crc32b, gost, haval128, haval160, haval192, haval224,
 # haval256, md2, md4, md5, ripemd128, ripemd160, ripemd256, ripemd320, sha1,
 # sha224, sha256, sha384, sha512, snefru128, snefru256, tiger, tiger128,
 # tiger160, whirlpool
diff --git a/targets/support/create-iso.sh b/targets/support/create-iso.sh
index 8338e30..92efaa8 100755
--- a/targets/support/create-iso.sh
+++ b/targets/support/create-iso.sh
@@ -94,12 +94,14 @@ else
 	mkisofs_zisofs_opts=""
 fi
 
-#we want to create a sha512sum for every file on the iso so we can verify it
-#from genkernel during boot.  Here we make a function to create the sha512sums
+#we want to create a checksum for every file on the iso so we can verify it
+#from genkernel during boot.  Here we make a function to create the sha512sums, and blake2sums
 isoroot_checksum() {
 	echo "Creating checksums for all files included in the iso, please wait..."
-	find "${clst_target_path}" -type f ! -name 'isoroot_checksums' ! -name 'isolinux.bin' -exec sha512sum {} + > "${clst_target_path}"/isoroot_checksums
+	find "${clst_target_path}" -type f ! -name 'isoroot_checksums' ! -name 'isolinux.bin' ! -name 'isoroot_b2sums' -exec sha512sum {} + > "${clst_target_path}"/isoroot_checksums
 	${clst_sed} -i "s#${clst_target_path}/\?##" "${clst_target_path}"/isoroot_checksums
+	find "${clst_target_path}" -type f ! -name 'isoroot_checksums' ! -name 'isolinux.bin' ! -name 'isoroot_b2sums' -exec b2sum {} + > "${clst_target_path}"/isoroot_b2sums
+	${clst_sed} -i "s#${clst_target_path}/\?##" "${clst_target_path}"/isoroot_b2sums
 }
 
 run_mkisofs() {