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Diffstat (limited to 'src/random/generators.c')
| -rw-r--r-- | src/random/generators.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/random/generators.c b/src/random/generators.c new file mode 100644 index 0000000..9769166 --- /dev/null +++ b/src/random/generators.c @@ -0,0 +1,54 @@ +/* + * ecgen, tool for generating Elliptic curve domain parameters + * Copyright (C) 2017 J08nY + */ +#include "generators.h" +#include "math/curve.h" +#include "math/equation.h" +#include "math/field.h" +#include "random/seed.h" + +int gen_skip(curve_t *curve, config_t *config, ...) { return 1; } + +void gen_init(gen_t generators[], config_t *config) { + if (config->from_seed) { + if (config->seed) { + generators[OFFSET_SEED] = &seed_argument; + } else { + if (config->random) { + generators[OFFSET_SEED] = &seed_random; + } else { + generators[OFFSET_SEED] = &seed_input; + } + } + generators[OFFSET_A] = &a_seed; + generators[OFFSET_B] = &b_seed; + generators[OFFSET_CURVE] = &curve_seed; + } else { + generators[OFFSET_SEED] = &gen_skip; + + if (config->random) { + generators[OFFSET_A] = &a_random; + generators[OFFSET_B] = &b_random; + } else { + generators[OFFSET_A] = &a_input; + generators[OFFSET_B] = &b_input; + } + + if (config->koblitz) { + generators[OFFSET_A] = &a_zero; + } + + if (config->prime) { + generators[OFFSET_CURVE] = &curve_prime; + } else { + generators[OFFSET_CURVE] = &curve_nonzero; + } + } + + if (config->random) { + generators[OFFSET_FIELD] = &field_random; + } else { + generators[OFFSET_FIELD] = &field_input; + } +}
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