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Pavol Rusnak a54c5fe89e test_openssl: fix build with openssl 1.1.0+ OpenSSL 1.1.0 made R and S fields of ECDSA_SIG structure internal. We need to use ECDSA_SIG_set0 function now. For some reason the test fails, but previously the code was not even possible to compile with OpenSSL 1.1.0. Still need to figure out why the test fails :-(		7 years ago
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README.md

trezor-crypto

Heavily optimized cryptography algorithms for embedded devices.

These include:

AES/Rijndael encryption/decryption
Big Number (256 bit) Arithmetics
BIP32 Hierarchical Deterministic Wallets
BIP39 Mnemonic code
ECDSA signing/verifying (supports secp256k1 and nist256p1 curves, uses RFC6979 for deterministic signatures)
ECDSA public key derivation
Base32 (RFC4648 and custom alphabets)
Base58 address representation
Ed25519 signing/verifying (also SHA3 and Keccak variants)
ECDH using secp256k1, nist256p1 and Curve25519
HMAC-SHA256 and HMAC-SHA512
PBKDF2
RIPEMD-160
SHA1
SHA2-256/SHA2-512
SHA3/Keccak
BLAKE2s/BLAKE2b
Chacha20-Poly1305
unit tests (using Check - check.sf.net; in test_check.c)
tests against OpenSSL (in test_openssl.c)

Distibuted under MIT License.

Some parts of the library come from external sources:

AES: https://github.com/BrianGladman/aes
Base58: https://github.com/luke-jr/libbase58
BLAKE2s/BLAKE2b: https://github.com/BLAKE2/BLAKE2
RIPEMD-160: https://github.com/ARMmbed/mbedtls
SHA1/SHA2: http://www.aarongifford.com/computers/sha.html
SHA3: https://github.com/rhash/RHash
Curve25519: https://github.com/agl/curve25519-donna
Ed25519: https://github.com/floodyberry/ed25519-donna
Chacha20: https://github.com/wg/c20p1305
Poly1305: https://github.com/floodyberry/poly1305-donna