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								 Felix Lange | 9b0af51386 | crypto: add btcec fallback for sign/recover without cgo (#3680) * vendor: add github.com/btcsuite/btcd/btcec
* crypto: add btcec fallback for sign/recover without cgo
This commit adds a non-cgo fallback implementation of secp256k1
operations.
* crypto, core/vm: remove wrappers for sha256, ripemd160 | 2017-02-18 09:24:12 +01:00 |  |