pyecsca.ec.key_agreement module¶

Provides an implementation of ECDH (Elliptic Curve Diffie-Hellman).

class pyecsca.ec.key_agreement.ECDHAction(params, hash_algo, privkey, pubkey)[source]¶

Bases: ResultAction

ECDH key exchange.

params: DomainParameters¶

hash_algo: Optional[Any]¶

privkey: Mod¶

pubkey: Point¶

exit(result)¶

property result: Any¶

inside: bool¶

class pyecsca.ec.key_agreement.KeyAgreement(mult, params, pubkey, privkey, hash_algo=None)[source]¶

Bases: object

EC based key agreement primitive (ECDH).

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

perform_raw()[source]¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

perform()[source]¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

class pyecsca.ec.key_agreement.ECDH_NONE(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

Raw x-coordinate ECDH.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

class pyecsca.ec.key_agreement.ECDH_SHA1(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

ECDH with SHA1 of x-coordinate.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

class pyecsca.ec.key_agreement.ECDH_SHA224(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

ECDH with SHA224 of x-coordinate.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

class pyecsca.ec.key_agreement.ECDH_SHA256(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

ECDH with SHA256 of x-coordinate.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

class pyecsca.ec.key_agreement.ECDH_SHA384(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

ECDH with SHA384 of x-coordinate.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

class pyecsca.ec.key_agreement.ECDH_SHA512(mult, params, pubkey, privkey)[source]¶

Bases: KeyAgreement

ECDH with SHA512 of x-coordinate.

perform()¶

Perform the key agreement operation.

Return type:: bytes
Returns:: The shared secret.

perform_raw()¶

Perform the scalar-multiplication of the key agreement.

Return type:: Point
Returns:: The shared point.

mult: ScalarMultiplier¶

params: DomainParameters¶

pubkey: Point¶

privkey: Mod¶

hash_algo: Optional[Any]¶

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pyecsca.ec.key_agreement module¶