tiny.simd.AesCtrEngine

Defined in random.

API (5)

Actions

Public operations.

• generate
• initDeterministic
• initKey
• initWithEntropy

Fields and members

Public fields and members.

• key

Source

Source: lib/simd/src/random.zig:250

1pub const AesCtrEngine = struct {2    key: [2 * (1 + rounds)]u64,34    const rounds: usize = 5;5    const D: type = tag.Full128(u8);6    const D64: type = tag.Full128(u64);78    pub fn initDeterministic() AesCtrEngine {9        return initKey(.{ 0x243f_6a88_85a3_08d3, 0x1319_8a2e_0370_7344 });10    }1112    pub fn initKey(seed: [2]u64) AesCtrEngine {13        var result: AesCtrEngine = undefined;14        result.key[0] = seed[0];15        result.key[1] = seed[1];16        inline for (0..rounds) |index| {17            result.key[2 + 2 * index] = result.key[2 * index + 1] +%18                0xa409_3822_299f_31d0;19            result.key[2 + 2 * index + 1] = result.key[2 * index] +%20                0x082e_fa98_ec4e_6c89;21        }22        return result;23    }2425    pub fn initWithEntropy(entropy: anytype) !AesCtrEngine {26        var bytes: [16]u8 = undefined;27        try entropy.fill(&bytes);28        return initKey(@bitCast(bytes));29    }3031    pub fn generate(self: *const AesCtrEngine, stream: u64, counter: u64) u64 {32        var state: D.Vector = @bitCast(@as(D64.Vector, .{ counter, stream }));33        state ^= keyVector(self.key[0..2].*);34        inline for (0..rounds) |index| {35            state = crypto.aesRound(D, state, keyVector(self.key[2 + 2 * index ..][0..2].*));36        }37        const result: D64.Vector = @bitCast(state);38        return result[0];39    }4041    fn keyVector(pair: [2]u64) D.Vector {42        return @bitCast(@as(D64.Vector, pair));43    }44};

Source: lib/simd/src/root.zig:511

1pub const AesCtrEngine = random.AesCtrEngine;

Complete caller list for AesCtrEngine.initDeterministic

29 direct callers.

• lib.simd.src.cuckoo.builder.Plan [function] — private source at lib/simd/src/cuckoo/builder.zig:29 in nearest public owner lib.simd.src.cuckoo.builder
• lib.simd.src.cuckoo.builder.expectDefaultBuild [function] — private source at lib/simd/src/cuckoo/builder.zig:753 in nearest public owner lib.simd.src.cuckoo.builder
• lib.simd.src.cuckoo.builder.test_Highway_generic_Cuckoo_builder_completes_maximum_matching [function] — test source at lib/simd/src/cuckoo/builder.zig:567 in nearest public owner lib.simd.src.cuckoo.builder
• lib.simd.src.cuckoo.family.fixtureTable [function] — private source at lib/simd/src/cuckoo/family.zig:472 in nearest public owner lib.simd.src.cuckoo.family
• lib.simd.src.cuckoo.family.test_Highway_generic_Cuckoo_query_table_oracle_matches_exactly [function] — test source at lib/simd/src/cuckoo/family.zig:548 in nearest public owner lib.simd.src.cuckoo.family
• lib.simd.src.cuckoo.local.Plan [function] — private source at lib/simd/src/cuckoo/local.zig:7 in nearest public owner lib.simd.src.cuckoo.local
• lib.simd.src.cuckoo.local.Search [function] — private source at lib/simd/src/cuckoo/local.zig:103 in nearest public owner lib.simd.src.cuckoo.local
• lib.simd.src.cuckoo.local.test_Highway_Cuckoo_local_search_builds_a_deterministic_complete_table [function] — test source at lib/simd/src/cuckoo/local.zig:240 in nearest public owner lib.simd.src.cuckoo.local
• lib.simd.src.cuckoo.optimizer.Plan [function] — private source at lib/simd/src/cuckoo/optimizer.zig:7 in nearest public owner lib.simd.src.cuckoo.optimizer
• lib.simd.src.cuckoo.optimizer.test_Highway_optimized_Cuckoo_builder_completes_minimum-cost_matching [function] — test source at lib/simd/src/cuckoo/optimizer.zig:549 in nearest public owner lib.simd.src.cuckoo.optimizer
• lib.simd.src.cuckoo.optimizer.test_Highway_optimized_Cuckoo_builder_preserves_deeper_path_costs [function] — test source at lib/simd/src/cuckoo/optimizer.zig:589 in nearest public owner lib.simd.src.cuckoo.optimizer
• tiny.simd.Cuckoo2x2Plan.build [method] at lib/simd/src/cuckoo2x2.zig:170
• lib.simd.src.hash.test_Highway_AVX2_keyed_hash_oracle_matches_exactly [function] — test source at lib/simd/src/hash.zig:361 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_Triple32_avalanche_and_output_bits_remain_balanced [function] — test source at lib/simd/src/hash.zig:498 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_hash_arrays_preserve_scalar_order_through_full_vectors_and_tails [function] — test source at lib/simd/src/hash.zig:450 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_hash_edge_cases_remain_nontrivial_and_seed_separated [function] — test source at lib/simd/src/hash.zig:474 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_hash_scalar_and_vector_paths_agree_lane_by_lane [function] — test source at lib/simd/src/hash.zig:334 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_masked_hashes_remain_bijections_on_a_small_complete_domain [function] — test source at lib/simd/src/hash.zig:433 in nearest public owner tiny.simd.hash
• lib.simd.src.hash.test_Highway_masked_hashes_retain_their_declared_ranges [function] — test source at lib/simd/src/hash.zig:440 in nearest public owner tiny.simd.hash
• lib.simd.src.phast.builder.Builder.validateDistinct [method] — private source at lib/simd/src/phast/builder.zig:189 in nearest public owner lib.simd.src.phast.builder
• tiny.simd.PhastBuildPlan.build [method] at lib/simd/src/phast/builder.zig:77
• lib.simd.src.random.test_Highway_AES_counter_bit_and_byte_distributions_remain_balanced [function] — test source at lib/simd/src/random.zig:558 in nearest public owner tiny.simd.random
• lib.simd.src.random.test_Highway_AES_counter_streams_are_deterministic_and_independently_addressed [function] — test source at lib/simd/src/random.zig:511 in nearest public owner tiny.simd.random
• lib.simd.src.random.test_Highway_AVX2_AES_counter_and_normalized_float_oracle_matches_exactly [function] — test source at lib/simd/src/random.zig:523 in nearest public owner tiny.simd.random
• lib.simd.src.random.test_Highway_normalized_float_spans_the_half-open_signed_unit_interval [function] — test source at lib/simd/src/random.zig:546 in nearest public owner tiny.simd.random
• tiny.simd.ShardMulPlan.build [method] at lib/simd/src/shardmul.zig:225
• tiny.simd.ShardMulPlan.inspect [function] at lib/simd/src/shardmul.zig:164
• lib.simd.src.shardmul.fillClusteredKeys [function] — private source at lib/simd/src/shardmul.zig:570 in nearest public owner tiny.simd.shardmul
• lib.simd.src.shardmul.test_Highway_ShardMul_builder_produces_collision-free_outputs_and_excludes_extras [function] — test source at lib/simd/src/shardmul.zig:503 in nearest public owner tiny.simd.shardmul

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