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2 votes
3 answers
252 views

Bitcoind does not like ECDSA (r, s) pair produced by OpenSSL

I am writing transactions manually and have stumbled across a rather bizarre situation. Only one in a few of the transactions I broadcast to bitcoind is accepted, otherwise I get a REJECT_NONSTANDARD ...
0 votes
1 answer
351 views

Representation of coordinates in signature. OpenSSL

I want to calculate the v-value from the signature obtained using the OpenSSL ECDSA_do_sign function. I found that this value is calculated using the parity of y-coordinate of r. Here I also found ...