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Add ecc_25519_secret_sanitize stub implementation

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This commit is contained in:
Matthias Schiffer 2012-03-25 19:44:26 +02:00
parent 89d237f36b
commit f1d5eb1da9
2 changed files with 10 additions and 0 deletions
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1
include/libuecc/ecc.h
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@ -57,5 +57,6 @@ void ecc_25519_secret_add(ecc_secret_key_256 *out, const ecc_secret_key_256 *in1
void ecc_25519_secret_sub(ecc_secret_key_256 *out, const ecc_secret_key_256 *in1, const ecc_secret_key_256 *in2); void ecc_25519_secret_sub(ecc_secret_key_256 *out, const ecc_secret_key_256 *in1, const ecc_secret_key_256 *in2);
void ecc_25519_secret_reduce(ecc_secret_key_256 *out, const ecc_secret_key_256 *in); void ecc_25519_secret_reduce(ecc_secret_key_256 *out, const ecc_secret_key_256 *in);
void ecc_25519_secret_mult(ecc_secret_key_256 *out, const ecc_secret_key_256 *in1, const ecc_secret_key_256 *in2); void ecc_25519_secret_mult(ecc_secret_key_256 *out, const ecc_secret_key_256 *in1, const ecc_secret_key_256 *in2);
void ecc_25519_secret_sanitize(ecc_secret_key_256 *out, const ecc_secret_key_256 *in);
#endif /* _LIBUECC_ECC_H_ */ #endif /* _LIBUECC_ECC_H_ */

9
src/ec25519_secret.c
View file

@ -176,3 +176,12 @@ void ecc_25519_secret_mult(ecc_secret_key_256 *out, const ecc_secret_key_256 *in
montgomery(out->s, R, C); montgomery(out->s, R, C);
} }
/* TODO implement properly, rule out zero etc. */
void ecc_25519_secret_sanitize(ecc_secret_key_256 *out, const ecc_secret_key_256 *in) {
int i;
for (i = 0; i < 32; i++)
out->s[i] = in->s[i];
out->s[31] |= 0x80;
}