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Merge pull request #19 from jonasnick/surjectionproof_init_p_give_up

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Add comment to explain effect of max_n_iterations in surjectionproof_…
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Jonas Nick 2018-10-09 22:01:08 -04:00 committed by GitHub
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include/secp256k1_surjectionproof.h
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@ -144,7 +144,11 @@ SECP256K1_API size_t secp256k1_surjectionproof_serialized_size(
* n_input_tags: the number of entries in the fixed_input_tags array * n_input_tags: the number of entries in the fixed_input_tags array
* n_input_tags_to_use: the number of inputs to select randomly to put in the anonymity set * n_input_tags_to_use: the number of inputs to select randomly to put in the anonymity set
* fixed_output_tag: fixed output tag * fixed_output_tag: fixed output tag
* max_n_iterations: the maximum number of iterations to do before giving up * max_n_iterations: the maximum number of iterations to do before giving up. Because the
* maximum number of inputs (SECP256K1_SURJECTIONPROOF_MAX_N_INPUTS) is
* limited to 256 the probability of giving up is smaller than
* (255/256)^(n_input_tags_to_use*max_n_iterations).
*
* random_seed32: a random seed to be used for input selection * random_seed32: a random seed to be used for input selection
* Out: proof: The proof whose bitvector will be initialized. In case of failure, * Out: proof: The proof whose bitvector will be initialized. In case of failure,
* the state of the proof is undefined. * the state of the proof is undefined.