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Class ParagonIE_Sodium_Core_Curve25519 Implements Curve25519 core functions
| File Size: | 3836 lines (143 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
| fe_0() X-Ref |
| Get a field element of size 10 with a value of 0 return: ParagonIE_Sodium_Core_Curve25519_Fe |
| fe_1() X-Ref |
| Get a field element of size 10 with a value of 1 return: ParagonIE_Sodium_Core_Curve25519_Fe |
| fe_add(ParagonIE_Sodium_Core_Curve25519_Fe $f,ParagonIE_Sodium_Core_Curve25519_Fe $g) X-Ref |
| Add two field elements. return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f param: ParagonIE_Sodium_Core_Curve25519_Fe $g |
| fe_cmov(ParagonIE_Sodium_Core_Curve25519_Fe $f,ParagonIE_Sodium_Core_Curve25519_Fe $g,$b = 0) X-Ref |
| Constant-time conditional move. return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f param: ParagonIE_Sodium_Core_Curve25519_Fe $g param: int $b |
| fe_copy(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Create a copy of a field element. return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_frombytes($s) X-Ref |
| Give: 32-byte string. Receive: A field element object to use for internal calculations. return: ParagonIE_Sodium_Core_Curve25519_Fe param: string $s |
| fe_tobytes(ParagonIE_Sodium_Core_Curve25519_Fe $h) X-Ref |
| Convert a field element to a byte string. return: string param: ParagonIE_Sodium_Core_Curve25519_Fe $h |
| fe_isnegative(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Is a field element negative? (1 = yes, 0 = no. Used in calculations.) return: int param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_isnonzero(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Returns 0 if this field element results in all NUL bytes. return: bool param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_mul(ParagonIE_Sodium_Core_Curve25519_Fe $f,ParagonIE_Sodium_Core_Curve25519_Fe $g) X-Ref |
| Multiply two field elements h = f * g return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f param: ParagonIE_Sodium_Core_Curve25519_Fe $g |
| fe_neg(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Get the negative values for each piece of the field element. h = -f return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_sq(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Square a field element h = f * f return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_sq2(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Square and double a field element h = 2 * f * f return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| fe_invert(ParagonIE_Sodium_Core_Curve25519_Fe $Z) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $Z |
| fe_pow22523(ParagonIE_Sodium_Core_Curve25519_Fe $z) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $z |
| fe_sub(ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g) X-Ref |
| Subtract two field elements. h = f - g Preconditions: |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. Postconditions: |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f param: ParagonIE_Sodium_Core_Curve25519_Fe $g |
| ge_add(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q) X-Ref |
| Add two group elements. r = p + q return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p param: ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q |
| slide($a) X-Ref |
return: array<int, mixed> param: string $a |
| ge_frombytes_negate_vartime($s) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 param: string $s |
| ge_madd(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R,ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p param: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q |
| ge_msub(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R,ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p param: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q |
| ge_p1p1_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P2 param: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p |
| ge_p1p1_to_p3(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 param: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p |
| ge_p2_0() X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P2 |
| ge_p2_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p |
| ge_p3_0() X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 |
| ge_p3_to_cached(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_Cached param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p |
| ge_p3_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P2 param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p |
| ge_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h) X-Ref |
return: string param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h |
| ge_p3_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p |
| ge_precomp_0() X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp |
| equal($b, $c) X-Ref |
return: int param: int $b param: int $c |
| negative($char) X-Ref |
return: int (1 = yes, 0 = no) param: int|string $char |
| cmov(ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t,ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u,$b) X-Ref |
| Conditional move return: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp param: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t param: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u param: int $b |
| ge_cmov_cached(ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t,ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u,$b) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_Cached param: ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t param: ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u param: int $b |
| ge_cmov8_cached(array $cached, $b) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_Cached param: ParagonIE_Sodium_Core_Curve25519_Ge_Cached[] $cached param: int $b |
| ge_select($pos = 0, $b = 0) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp param: int $pos param: int $b |
| ge_sub(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q) X-Ref |
| Subtract two group elements. r = p - q return: ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p param: ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q |
| ge_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h) X-Ref |
| Convert a group element to a byte string. return: string param: ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h |
| ge_double_scalarmult_vartime($a,ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A,$b) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P2 param: string $a param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A param: string $b |
| ge_scalarmult($a, $p) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 param: string $a param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p |
| ge_scalarmult_base($a) X-Ref |
return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 param: string $a |
| sc_muladd($a, $b, $c) X-Ref |
| Calculates (ab + c) mod l where l = 2^252 + 27742317777372353535851937790883648493 return: string param: string $a param: string $b param: string $c |
| sc_reduce($s) X-Ref |
return: string param: string $s |
| ge_mul_l(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A) X-Ref |
| multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493 return: ParagonIE_Sodium_Core_Curve25519_Ge_P3 param: ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A |
| sc25519_mul($a, $b) X-Ref |
return: string param: string $a param: string $b |
| sc25519_sq($s) X-Ref |
return: string param: string $s |
| sc25519_sqmul($s, $n, $a) X-Ref |
return: string param: string $s param: int $n param: string $a |
| sc25519_invert($s) X-Ref |
return: string param: string $s |
| clamp($s) X-Ref |
return: string param: string $s |
| fe_normalize(ParagonIE_Sodium_Core_Curve25519_Fe $f) X-Ref |
| Ensure limbs are less than 28 bits long to prevent float promotion. This uses a constant-time conditional swap under the hood. return: ParagonIE_Sodium_Core_Curve25519_Fe param: ParagonIE_Sodium_Core_Curve25519_Fe $f |
| Generated: Thu Apr 25 01:00:03 2024 | Cross-referenced by PHPXref 0.7.1 |