Shamira Changeset - b9f1f39cd7af

Changeset - b9f1f39cd7af

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Laman - 4 years ago 2020-04-13 13:53:07

check for non-unique shares on joining

2 files changed with 6 insertions and 0 deletions:

src/condensed.py

src/shamira.py

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src/condensed.py

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@@ @@ -60,6 +60,9 @@ def reconstruct_raw(*shares): @@
 	:param shares: (((int) i, (bytes) share), ...)
 	:return: (bytes) reconstructed secret. Too few shares returns garbage."""
 	if len({x for (x, _) in shares}) < len(shares):
 		raise SException("Found a non-unique share. Please check your inputs.")
 	secret_len = len(shares[0][1])
 	res = [None]*secret_len
 	for i in range(secret_len):

src/shamira.py

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@@ @@ -40,6 +40,9 @@ def reconstruct_raw(*shares): @@
 	:param shares: (((int) i, (bytes) share), ...)
 	:return: (bytes) reconstructed secret. Too few shares return garbage."""
 	if len({x for (x, _) in shares}) < len(shares):
 		raise MalformedShare("Found a non-unique share. Please check your inputs.")
 	secret_len = len(shares[0][1])
 	res = [None]*secret_len
 	for i in range(secret_len):

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