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trezor-firmware/mocks/trezor/crypto/curve/nist256p1.py
2017-04-08 18:43:26 +02:00

40 lines
1.2 KiB
Python

# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def generate_secret() -> bytes:
'''
Generate secret key.
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def publickey(secret_key: bytes, compressed: bool=True) -> bytes:
'''
Computes public key from secret key.
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def sign(secret_key: bytes, digest: bytes, compressed: bool=True) -> bytes:
'''
Uses secret key to produce the signature of the digest.
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def verify(public_key: bytes, signature: bytes, digest: bytes) -> bool:
'''
Uses public key to verify the signature of the digest.
Returns True on success.
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def verify_recover(signature: bytes, digest: bytes) -> bytes:
'''
Uses signature of the digest to verify the digest and recover the public key.
Returns public key on success, None on failure.
'''
# extmod/modtrezorcrypto/modtrezorcrypto-nist256p1.h
def multiply(secret_key: bytes, public_key: bytes) -> bytes:
'''
Multiplies point defined by public_key with scalar defined by secret_key
Useful for ECDH
'''