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- // Every Skein round has four clock cycles of latency, and every
- // Skein key injection has 2 clock cycles of latency
- localparam SKEINRNDSTAGES = 4, SKEINKEYSTAGES = 2;
- // Every Keccak round has two clock cycles of latency,
- // and there are 24 rounds
- localparam KECCAKRNDSTAGES = 2, KECCAKROUNDS = 24;
- // 20 rounds, with 21 key injections per block process
- localparam SKEINROUNDS = 20, SKEINKEYINJECTIONS = 21;
- // 24 rounds, round has 2 clock cycles of latency
- localparam KECCAKBLKSTAGES = KECCAKRNDSTAGES * KECCAKROUNDS;
- // 20 rounds, 4 clock cycles of latency per round, and 21 key
- // injections, 2 clock cycles of latency per key injection
- localparam SKEINBLKSTAGES = (SKEINRNDSTAGES * SKEINROUNDS) + (SKEINKEYINJECTIONS * SKEINKEYSTAGES);
- // Nexus' SK1024 proof-of-work, SK1024 (after midstate, during which
- // one Skein block process is done) consists of two Skein block processes
- // and three Keccak block processes.
- localparam TOTALSTAGES = (SKEINBLKSTAGES * 2) + (KECCAKBLKSTAGES * 3);
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