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comparison: security/nss/lib/freebl/ecl/ecl.h
security/nss/lib/freebl/ecl/ecl.h
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| -1:000000000000 | 0:f5d788a43239 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 /* Although this is not an exported header file, code which uses elliptic | |
| 6 * curve point operations will need to include it. */ | |
| 7 | |
| 8 #ifndef __ecl_h_ | |
| 9 #define __ecl_h_ | |
| 10 | |
| 11 #include "ecl-exp.h" | |
| 12 #include "mpi.h" | |
| 13 | |
| 14 struct ECGroupStr; | |
| 15 typedef struct ECGroupStr ECGroup; | |
| 16 | |
| 17 /* Construct ECGroup from hexadecimal representations of parameters. */ | |
| 18 ECGroup *ECGroup_fromHex(const ECCurveParams * params); | |
| 19 | |
| 20 /* Construct ECGroup from named parameters. */ | |
| 21 ECGroup *ECGroup_fromName(const ECCurveName name); | |
| 22 | |
| 23 /* Free an allocated ECGroup. */ | |
| 24 void ECGroup_free(ECGroup *group); | |
| 25 | |
| 26 /* Construct ECCurveParams from an ECCurveName */ | |
| 27 ECCurveParams *EC_GetNamedCurveParams(const ECCurveName name); | |
| 28 | |
| 29 /* Duplicates an ECCurveParams */ | |
| 30 ECCurveParams *ECCurveParams_dup(const ECCurveParams * params); | |
| 31 | |
| 32 /* Free an allocated ECCurveParams */ | |
| 33 void EC_FreeCurveParams(ECCurveParams * params); | |
| 34 | |
| 35 /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k * P(x, | |
| 36 * y). If x, y = NULL, then P is assumed to be the generator (base point) | |
| 37 * of the group of points on the elliptic curve. Input and output values | |
| 38 * are assumed to be NOT field-encoded. */ | |
| 39 mp_err ECPoint_mul(const ECGroup *group, const mp_int *k, const mp_int *px, | |
| 40 const mp_int *py, mp_int *qx, mp_int *qy); | |
| 41 | |
| 42 /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k1 * G + | |
| 43 * k2 * P(x, y), where G is the generator (base point) of the group of | |
| 44 * points on the elliptic curve. Input and output values are assumed to | |
| 45 * be NOT field-encoded. */ | |
| 46 mp_err ECPoints_mul(const ECGroup *group, const mp_int *k1, | |
| 47 const mp_int *k2, const mp_int *px, const mp_int *py, | |
| 48 mp_int *qx, mp_int *qy); | |
| 49 | |
| 50 /* Validates an EC public key as described in Section 5.2.2 of X9.62. | |
| 51 * Returns MP_YES if the public key is valid, MP_NO if the public key | |
| 52 * is invalid, or an error code if the validation could not be | |
| 53 * performed. */ | |
| 54 mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const | |
| 55 mp_int *py); | |
| 56 | |
| 57 #endif /* __ecl_h_ */ |
