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32 lines
547 B
C++
32 lines
547 B
C++
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#include "types.h"
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#include "keys.h"
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#include "ecdsa.h"
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#include "util.h"
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int ecdsa_get_params(u32 type, u8 *p, u8 *a, u8 *b, u8 *N, u8 *Gx, u8 *Gy)
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{
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curve_t *c;
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if(type & USE_VSH_CURVE)
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{
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//VSH curve.
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if((c = vsh_curve_find(type & ~USE_VSH_CURVE)) == NULL)
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return -1;
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}
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else
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{
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//Loader curve.
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if((c = curve_find(type)) == NULL)
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return -1;
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}
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_memcpy_inv(p, c->p, 20);
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_memcpy_inv(a, c->a, 20);
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_memcpy_inv(b, c->b, 20);
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_memcpy_inv(N, c->N, 21);
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_memcpy_inv(Gx, c->Gx, 20);
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_memcpy_inv(Gy, c->Gy, 20);
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return 0;
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}
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