mirror of https://github.com/vacp2p/nim-libp2p.git
484 lines
20 KiB
Nim
484 lines
20 KiB
Nim
## Nim-Libp2p
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## Copyright (c) 2018 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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## This module implements interface with BearSSL library sources.
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import strutils
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from os import DirSep
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const
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bearPath = currentSourcePath.rsplit(DirSep, 1)[0] & DirSep &
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"BearSSL" & DirSep
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bearSrcPath = bearPath & "src"
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bearIncPath = bearPath & "inc"
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bearIntPath = bearSrcPath & DirSep & "int" & DirSep
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bearCodecPath = bearSrcPath & DirSep & "codec" & DirSep
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bearRandPath = bearSrcPath & DirSep & "rand" & DirSep
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bearRsaPath = bearSrcPath & DirSep & "rsa" & DirSep
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bearEcPath = bearSrcPath & DirSep & "ec" & DirSep
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bearX509Path = bearSrcPath & DirSep & "x509" & DirSep
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bearMacPath = bearSrcPath & DirSep & "mac" & DirSep
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bearHashPath = bearSrcPath & DirSep & "hash" & DirSep
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{.passC: "-I" & bearSrcPath}
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{.passC: "-I" & bearIncPath}
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when defined(windows):
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{.passC: "-DBR_USE_WIN32_TIME=1".}
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{.passC: "-DBR_USE_WIN32_RAND=1".}
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else:
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{.passC: "-DBR_USE_UNIX_TIME=1".}
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{.passC: "-DBR_USE_URANDOM=1".}
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when system.cpuEndian == bigEndian:
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{.passC: "-DBR_BE_UNALIGNED=1".}
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else:
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{.passC: "-DBR_LE_UNALIGNED=1".}
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{.pragma: bearssl_func, importc, cdecl.}
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when sizeof(int) == 8:
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{.passC: "-DBR_64=1".}
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{.passC:" -DBR_amd64=1".}
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when defined(vcc):
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{.passC: "-DBR_UMUL128=1".}
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else:
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{.passC: "-DBR_INT128=1".}
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## Codec sources
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{.compile: bearCodecPath & "ccopy.c".}
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{.compile: bearCodecPath & "enc64be.c".}
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{.compile: bearCodecPath & "dec64be.c".}
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{.compile: bearCodecPath & "enc32be.c".}
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{.compile: bearCodecPath & "dec32be.c".}
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{.compile: bearCodecPath & "pemenc.c".}
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{.compile: bearCodecPath & "pemdec.c".}
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## Big integer sources
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{.compile: bearIntPath & "i31_add.c".}
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{.compile: bearIntPath & "i31_bitlen.c".}
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{.compile: bearIntPath & "i31_decmod.c".}
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{.compile: bearIntPath & "i31_decode.c".}
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{.compile: bearIntPath & "i31_decred.c".}
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{.compile: bearIntPath & "i31_encode.c".}
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{.compile: bearIntPath & "i31_fmont.c".}
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{.compile: bearIntPath & "i31_iszero.c".}
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{.compile: bearIntPath & "i31_moddiv.c".}
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{.compile: bearIntPath & "i31_modpow.c".}
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{.compile: bearIntPath & "i31_modpow2.c".}
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{.compile: bearIntPath & "i31_montmul.c".}
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{.compile: bearIntPath & "i31_mulacc.c".}
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{.compile: bearIntPath & "i31_muladd.c".}
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{.compile: bearIntPath & "i31_ninv31.c".}
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{.compile: bearIntPath & "i31_reduce.c".}
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{.compile: bearIntPath & "i31_rshift.c".}
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{.compile: bearIntPath & "i31_sub.c".}
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{.compile: bearIntPath & "i31_tmont.c".}
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## Additional integer sources
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{.compile: bearIntPath & "i32_div32.c".}
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{.compile: bearIntPath & "i62_modpow2.c".}
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## Random generator sources
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{.compile: bearRandPath & "sysrng.c".}
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{.compile: bearRandPath & "hmac_drbg.c".}
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{.compile: bearRandPath & "aesctr_drbg.c".}
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## HMAC sources
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{.compile: bearMacPath & "hmac.c".}
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{.compile: bearMacPath & "hmac_ct.c".}
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## HASH sources
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{.compile: bearHashPath & "mgf1.c".}
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{.compile: bearHashPath & "ghash_ctmul64.c".}
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{.compile: bearHashPath & "sha2small.c".} # SHA2-224/256
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{.compile: bearHashPath & "sha2big.c".} # SHA2-384/512
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## RSA sources
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{.compile: bearRsaPath & "rsa_i31_keygen_inner.c".}
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{.compile: bearRsaPath & "rsa_i62_keygen.c".}
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{.compile: bearRsaPath & "rsa_i62_oaep_decrypt.c".}
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{.compile: bearRsaPath & "rsa_i62_oaep_encrypt.c".}
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{.compile: bearRsaPath & "rsa_i62_pkcs1_sign.c".}
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{.compile: bearRsaPath & "rsa_i62_pkcs1_vrfy.c".}
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{.compile: bearRsaPath & "rsa_i62_priv.c".}
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{.compile: bearRsaPath & "rsa_i62_pub.c".}
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{.compile: bearRsaPath & "rsa_oaep_pad.c".}
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{.compile: bearRsaPath & "rsa_oaep_unpad.c".}
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{.compile: bearRsaPath & "rsa_pkcs1_sig_pad.c".}
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{.compile: bearRsaPath & "rsa_pkcs1_sig_unpad.c".}
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{.compile: bearRsaPath & "rsa_ssl_decrypt.c".}
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{.compile: bearRsaPath & "rsa_default_keygen.c".}
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{.compile: bearRsaPath & "rsa_i31_modulus.c".}
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{.compile: bearRsaPath & "rsa_i31_privexp.c".}
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{.compile: bearRsaPath & "rsa_i31_pubexp.c".}
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{.compile: bearRsaPath & "rsa_default_modulus.c".}
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{.compile: bearRsaPath & "rsa_default_privexp.c".}
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{.compile: bearRsaPath & "rsa_default_pubexp.c".}
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{.compile: bearRsaPath & "rsa_default_pkcs1_sign.c".}
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{.compile: bearRsaPath & "rsa_default_pkcs1_vrfy.c".}
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## Elliptic Curve sources
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{.compile: bearEcPath & "ec_all_m31.c".}
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{.compile: bearEcPath & "ec_default.c".}
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{.compile: bearEcPath & "ec_keygen.c".}
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{.compile: bearEcPath & "ec_c25519_m31.c".}
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{.compile: bearEcPath & "ec_c25519_m64.c".}
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{.compile: bearEcPath & "ec_p256_m31.c".}
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{.compile: bearEcPath & "ec_p256_m64.c".}
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{.compile: bearEcPath & "ec_curve25519.c".}
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{.compile: bearEcPath & "ec_prime_i31.c".}
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{.compile: bearEcPath & "ec_pubkey.c".}
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{.compile: bearEcPath & "ec_secp256r1.c".}
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{.compile: bearEcPath & "ec_secp384r1.c".}
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{.compile: bearEcPath & "ec_secp521r1.c".}
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{.compile: bearEcPath & "ecdsa_i31_bits.c".}
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{.compile: bearEcPath & "ecdsa_i31_sign_raw.c".}
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{.compile: bearEcPath & "ecdsa_i31_sign_asn1.c".}
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{.compile: bearEcPath & "ecdsa_i31_vrfy_asn1.c".}
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{.compile: bearEcPath & "ecdsa_i31_vrfy_raw.c".}
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{.compile: bearEcPath & "ecdsa_rta.c".}
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{.compile: bearEcPath & "ecdsa_atr.c".}
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elif sizeof(int) == 4:
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## Codec sources
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{.compile: bearCodecPath & "ccopy.c".}
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{.compile: bearCodecPath & "enc64be.c".}
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{.compile: bearCodecPath & "dec64be.c".}
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{.compile: bearCodecPath & "enc32be.c".}
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{.compile: bearCodecPath & "dec32be.c".}
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{.compile: bearCodecPath & "pemenc.c".}
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{.compile: bearCodecPath & "pemdec.c".}
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## Big integer sources
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{.compile: bearIntPath & "i31_add.c".}
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{.compile: bearIntPath & "i31_bitlen.c".}
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{.compile: bearIntPath & "i31_decmod.c".}
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{.compile: bearIntPath & "i31_decode.c".}
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{.compile: bearIntPath & "i31_decred.c".}
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{.compile: bearIntPath & "i31_encode.c".}
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{.compile: bearIntPath & "i31_fmont.c".}
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{.compile: bearIntPath & "i31_iszero.c".}
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{.compile: bearIntPath & "i31_moddiv.c".}
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{.compile: bearIntPath & "i31_modpow.c".}
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{.compile: bearIntPath & "i31_modpow2.c".}
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{.compile: bearIntPath & "i31_montmul.c".}
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{.compile: bearIntPath & "i31_mulacc.c".}
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{.compile: bearIntPath & "i31_muladd.c".}
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{.compile: bearIntPath & "i31_ninv31.c".}
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{.compile: bearIntPath & "i31_reduce.c".}
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{.compile: bearIntPath & "i31_rshift.c".}
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{.compile: bearIntPath & "i31_sub.c".}
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{.compile: bearIntPath & "i31_tmont.c".}
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## Additional integer sources
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{.compile: bearIntPath & "i32_div32.c".}
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## Random generator sources
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{.compile: bearRandPath & "sysrng.c".}
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{.compile: bearRandPath & "hmac_drbg.c".}
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{.compile: bearRandPath & "aesctr_drbg.c".}
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## HMAC sources
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{.compile: bearMacPath & "hmac.c".}
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{.compile: bearMacPath & "hmac_ct.c".}
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## HASH sources
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{.compile: bearHashPath & "mgf1.c".}
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{.compile: bearHashPath & "ghash_ctmul.c".}
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{.compile: bearHashPath & "sha2small.c".} # SHA2-224/256
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{.compile: bearHashPath & "sha2big.c".} # SHA2-384/512
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## RSA sources
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{.compile: bearRsaPath & "rsa_i31_keygen_inner.c".}
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{.compile: bearRsaPath & "rsa_i31_keygen.c".}
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{.compile: bearRsaPath & "rsa_i31_oaep_decrypt.c".}
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{.compile: bearRsaPath & "rsa_i31_oaep_encrypt.c".}
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{.compile: bearRsaPath & "rsa_i31_pkcs1_sign.c".}
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{.compile: bearRsaPath & "rsa_i31_pkcs1_vrfy.c".}
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{.compile: bearRsaPath & "rsa_i31_priv.c".}
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{.compile: bearRsaPath & "rsa_i31_pub.c".}
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{.compile: bearRsaPath & "rsa_oaep_pad.c".}
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{.compile: bearRsaPath & "rsa_oaep_unpad.c".}
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{.compile: bearRsaPath & "rsa_pkcs1_sig_pad.c".}
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{.compile: bearRsaPath & "rsa_pkcs1_sig_unpad.c".}
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{.compile: bearRsaPath & "rsa_ssl_decrypt.c".}
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{.compile: bearRsaPath & "rsa_default_keygen.c".}
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{.compile: bearRsaPath & "rsa_i31_modulus.c".}
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{.compile: bearRsaPath & "rsa_i31_privexp.c".}
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{.compile: bearRsaPath & "rsa_i31_pubexp.c".}
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{.compile: bearRsaPath & "rsa_default_modulus.c".}
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{.compile: bearRsaPath & "rsa_default_privexp.c".}
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{.compile: bearRsaPath & "rsa_default_pubexp.c".}
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{.compile: bearRsaPath & "rsa_default_pkcs1_sign.c".}
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{.compile: bearRsaPath & "rsa_default_pkcs1_vrfy.c".}
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## Elliptic Curve sources
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{.compile: bearEcPath & "ec_all_m31.c".}
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{.compile: bearEcPath & "ec_default.c".}
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{.compile: bearEcPath & "ec_keygen.c".}
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{.compile: bearEcPath & "ec_c25519_m31.c".}
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{.compile: bearEcPath & "ec_p256_m31.c".}
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{.compile: bearEcPath & "ec_curve25519.c".}
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{.compile: bearEcPath & "ec_prime_i31.c".}
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{.compile: bearEcPath & "ec_pubkey.c".}
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{.compile: bearEcPath & "ec_secp256r1.c".}
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{.compile: bearEcPath & "ec_secp384r1.c".}
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{.compile: bearEcPath & "ec_secp521r1.c".}
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{.compile: bearEcPath & "ecdsa_i31_bits.c".}
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{.compile: bearEcPath & "ecdsa_i31_sign_raw.c".}
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{.compile: bearEcPath & "ecdsa_i31_sign_asn1.c".}
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{.compile: bearEcPath & "ecdsa_i31_vrfy_asn1.c".}
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{.compile: bearEcPath & "ecdsa_i31_vrfy_raw.c".}
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{.compile: bearEcPath & "ecdsa_rta.c".}
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{.compile: bearEcPath & "ecdsa_atr.c".}
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else:
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error("Sorry, your target architecture is not supported!")
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const
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BR_EC_SECP256R1* = 23
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BR_EC_SECP384R1* = 24
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BR_EC_SECP521R1* = 25
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BR_EC_KBUF_PRIV_MAX_SIZE* = 72
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BR_EC_KBUF_PUB_MAX_SIZE* = 145
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type
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BrHashClass* {.importc: "br_hash_class",
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header: "bearssl_hash.h", bycopy.} = object
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contextSize* {.importc: "context_size".}: int
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desc* {.importc: "desc".}: uint32
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init* {.importc: "init".}: proc (ctx: ptr ptr BrHashClass) {.cdecl.}
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update* {.importc: "update".}: proc (ctx: ptr ptr BrHashClass,
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data: pointer, len: int) {.cdecl.}
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output* {.importc: "out".}: proc (ctx: ptr ptr BrHashClass,
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dst: pointer) {.cdecl.}
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state* {.importc: "state".}: proc (ctx: ptr ptr BrHashClass,
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dst: pointer): uint64 {.cdecl.}
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setState* {.importc: "set_state".}: proc (ctx: ptr ptr BrHashClass,
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stb: pointer,
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count: uint64) {.cdecl.}
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BrMd5Context* {.importc: "br_md5_context",
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header: "bearssl_hash.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrHashClass
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buf* {.importc: "buf".}: array[64, cuchar]
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count* {.importc: "count".}: uint64
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val* {.importc: "val".}: array[4, uint32]
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BrMd5sha1Context* {.importc: "br_md5sha1_context",
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header: "bearssl_hash.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrHashClass
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buf* {.importc: "buf".}: array[64, cuchar]
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count* {.importc: "count".}: uint64
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valMd5* {.importc: "val_md5".}: array[4, uint32]
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valSha1* {.importc: "val_sha1".}: array[5, uint32]
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Sha1Context* {.importc: "br_sha1_context",
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header: "bearssl_hash.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrHashClass
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buf* {.importc: "buf".}: array[64, cuchar]
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count* {.importc: "count".}: uint64
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val* {.importc: "val".}: array[5, uint32]
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BrSha512Context* = BrSha384Context
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BrSha384Context* {.importc: "br_sha384_context",
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header: "bearssl_hash.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrHashClass
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buf* {.importc: "buf".}: array[128, cuchar]
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count* {.importc: "count".}: uint64
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val* {.importc: "val".}: array[8, uint64]
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BrSha256Context* = BrSha224Context
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BrSha224Context* {.importc: "br_sha224_context",
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header: "bearssl_hash.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrHashClass
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buf* {.importc: "buf".}: array[64, cuchar]
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count* {.importc: "count".}: uint64
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val* {.importc: "val".}: array[8, uint32]
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BrHashCompatContext* {.importc: "br_hash_compat_context",
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header: "bearssl_hash.h", bycopy.} = object {.union.}
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vtable* {.importc: "vtable".}: ptr BrHashClass
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md5* {.importc: "md5".}: BrMd5Context
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sha1* {.importc: "sha1".}: Sha1Context
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sha224* {.importc: "sha224".}: BrSha224Context
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sha256* {.importc: "sha256".}: BrSha256Context
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sha384* {.importc: "sha384".}: BrSha384Context
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sha512* {.importc: "sha512".}: BrSha512Context
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md5sha1* {.importc: "md5sha1".}: BrMd5sha1Context
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BrPrngClass* {.importc: "br_prng_class",
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header: "bearssl_rand.h", bycopy.} = object
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contextSize* {.importc: "context_size".}: int
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init* {.importc: "init".}: proc (ctx: ptr ptr BrPrngClass, params: pointer,
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seed: pointer, seedLen: int) {.cdecl.}
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generate* {.importc: "generate".}: proc (ctx: ptr ptr BrPrngClass,
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output: pointer,
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length: int) {.cdecl.}
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update* {.importc: "update".}: proc (ctx: ptr ptr BrPrngClass,
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seed: pointer, seedLen: int) {.cdecl.}
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BrHmacDrbgContext* {.importc: "br_hmac_drbg_context",
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header: "bearssl_rand.h", bycopy.} = object
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vtable* {.importc: "vtable".}: ptr BrPrngClass
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k* {.importc: "K".}: array[64, cuchar]
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v* {.importc: "V".}: array[64, cuchar]
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digestClass* {.importc: "digest_class".}: ptr BrHashClass
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BrRsaPublicKey* {.importc: "br_rsa_public_key",
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header: "bearssl_rsa.h", bycopy.} = object
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n* {.importc: "n".}: ptr cuchar
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nlen* {.importc: "nlen".}: int
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e* {.importc: "e".}: ptr cuchar
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elen* {.importc: "elen".}: int
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BrRsaPrivateKey* {.importc: "br_rsa_private_key",
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header: "bearssl_rsa.h", bycopy.} = object
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nBitlen* {.importc: "n_bitlen".}: uint32
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p* {.importc: "p".}: ptr cuchar
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plen* {.importc: "plen".}: int
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q* {.importc: "q".}: ptr cuchar
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qlen* {.importc: "qlen".}: int
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dp* {.importc: "dp".}: ptr cuchar
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dplen* {.importc: "dplen".}: int
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dq* {.importc: "dq".}: ptr cuchar
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dqlen* {.importc: "dqlen".}: int
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iq* {.importc: "iq".}: ptr cuchar
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iqlen* {.importc: "iqlen".}: int
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BrEcPublicKey* {.importc: "br_ec_public_key", header: "bearssl_ec.h",
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bycopy.} = object
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curve* {.importc: "curve".}: cint
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q* {.importc: "q".}: ptr cuchar
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qlen* {.importc: "qlen".}: int
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BrEcPrivateKey* {.importc: "br_ec_private_key", header: "bearssl_ec.h",
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bycopy.} = object
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curve* {.importc: "curve".}: cint
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x* {.importc: "x".}: ptr cuchar
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xlen* {.importc: "xlen".}: int
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BrEcImplementation* {.importc: "br_ec_impl", header: "bearssl_ec.h",
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bycopy.} = object
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supportedCurves* {.importc: "supported_curves".}: uint32
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generator* {.importc: "generator".}: proc (curve: cint,
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length: ptr int): ptr cuchar {.cdecl.}
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order* {.importc: "order".}: proc (curve: cint,
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length: ptr int): ptr cuchar {.cdecl.}
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xoff* {.importc: "xoff".}: proc (curve: cint,
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length: ptr int): int {.cdecl.}
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mul* {.importc: "mul".}: proc (g: ptr cuchar, glen: int,
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x: ptr cuchar, xlen: int,
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curve: cint): uint32 {.cdecl.}
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mulgen* {.importc: "mulgen".}: proc (r: ptr cuchar,
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x: ptr cuchar, xlen: int,
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curve: cint): int {.cdecl.}
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muladd* {.importc: "muladd".}: proc (a: ptr cuchar, b: ptr cuchar,
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length: int, x: ptr cuchar, xlen: int,
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y: ptr cuchar, ylen: int,
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curve: cint): uint32 {.cdecl.}
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BrPrngSeeder* = proc (ctx: ptr ptr BrPrngClass): cint {.cdecl.}
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BrRsaKeygen* = proc (ctx: ptr ptr BrPrngClass,
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sk: ptr BrRsaPrivateKey, bufsec: ptr byte,
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pk: ptr BrRsaPublicKey, bufpub: ptr byte,
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size: cuint, pubexp: uint32): uint32 {.cdecl.}
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BrRsaComputeModulus* = proc (n: pointer,
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sk: ptr BrRsaPrivateKey): int {.cdecl.}
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BrRsaComputePubexp* = proc (sk: ptr BrRsaPrivateKey): uint32 {.cdecl.}
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BrRsaComputePrivexp* = proc (d: pointer,
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sk: ptr BrRsaPrivateKey,
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pubexp: uint32): int {.cdecl.}
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BrRsaPkcs1Verify* = proc (x: ptr cuchar, xlen: int,
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hash_oid: ptr cuchar, hash_len: int,
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pk: ptr BrRsaPublicKey,
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hash_out: ptr cuchar): uint32 {.cdecl.}
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BrPemDecoderProc* = proc (destctx: pointer, src: pointer,
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length: int) {.cdecl.}
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BrRsaPkcs1Sign* = proc (hash_oid: ptr cuchar, hash: ptr cuchar, hash_len: int,
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pk: ptr BrRsaPrivateKey,
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x: ptr cuchar): uint32 {.cdecl.}
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proc brPrngSeederSystem*(name: cstringArray): BrPrngSeeder {.cdecl,
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importc: "br_prng_seeder_system", header: "bearssl_rand.h".}
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proc brHmacDrbgInit*(ctx: ptr BrHmacDrbgContext, digestClass: ptr BrHashClass,
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seed: pointer, seedLen: int) {.
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cdecl, importc: "br_hmac_drbg_init", header: "bearssl_rand.h".}
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proc brRsaKeygenGetDefault*(): BrRsaKeygen {.
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cdecl, importc: "br_rsa_keygen_get_default", header: "bearssl_rsa.h".}
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proc BrRsaPkcs1SignGetDefault*(): BrRsaPkcs1Sign {.
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cdecl, importc: "br_rsa_pkcs1_sign_get_default", header: "bearssl_rsa.h".}
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proc BrRsaPkcs1VrfyGetDefault*(): BrRsaPkcs1Verify {.
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cdecl, importc: "br_rsa_pkcs1_vrfy_get_default", header: "bearssl_rsa.h".}
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proc brRsaComputeModulusGetDefault*(): BrRsaComputeModulus {.
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cdecl, importc: "br_rsa_compute_modulus_get_default",
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header: "bearssl_rsa.h".}
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proc brRsaComputePubexpGetDefault*(): BrRsaComputePubexp {.
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cdecl, importc: "br_rsa_compute_pubexp_get_default",
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header: "bearssl_rsa.h".}
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proc brRsaComputePrivexpGetDefault*(): BrRsaComputePrivexp {.
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cdecl, importc: "br_rsa_compute_privexp_get_default",
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header: "bearssl_rsa.h".}
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proc brEcGetDefault*(): ptr BrEcImplementation {.
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cdecl, importc: "br_ec_get_default", header: "bearssl_ec.h".}
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proc brEcKeygen*(ctx: ptr ptr BrPrngClass, impl: ptr BrEcImplementation,
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sk: ptr BrEcPrivateKey, keybuf: ptr byte,
|
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curve: cint): int {.cdecl,
|
|
importc: "br_ec_keygen", header: "bearssl_ec.h".}
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proc brEcComputePublicKey*(impl: ptr BrEcImplementation, pk: ptr BrEcPublicKey,
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kbuf: ptr byte, sk: ptr BrEcPrivateKey): int {.
|
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cdecl, importc: "br_ec_compute_pub", header: "bearssl_ec.h".}
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proc brEcdsaSignRaw*(impl: ptr BrEcImplementation, hf: ptr BrHashClass,
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value: pointer, sk: ptr BrEcPrivateKey,
|
|
sig: pointer): int {.
|
|
cdecl, importc: "br_ecdsa_i31_sign_raw", header: "bearssl_ec.h".}
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proc brEcdsaVerifyRaw*(impl: ptr BrEcImplementation, hash: pointer,
|
|
hashlen: int, pk: ptr BrEcPublicKey, sig: pointer,
|
|
siglen: int): uint32 {.
|
|
cdecl, importc: "br_ecdsa_i31_vrfy_raw", header: "bearssl_ec.h".}
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|
|
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proc brEcdsaSignAsn1*(impl: ptr BrEcImplementation, hf: ptr BrHashClass,
|
|
value: pointer, sk: ptr BrEcPrivateKey,
|
|
sig: pointer): int {.
|
|
cdecl, importc: "br_ecdsa_i31_sign_asn1", header: "bearssl_ec.h".}
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|
|
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proc brEcdsaVerifyAsn1*(impl: ptr BrEcImplementation, hash: pointer,
|
|
hashlen: int, pk: ptr BrEcPublicKey, sig: pointer,
|
|
siglen: int): uint32 {.
|
|
cdecl, importc: "br_ecdsa_i31_vrfy_asn1", header: "bearssl_ec.h".}
|
|
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var sha256Vtable* {.importc: "br_sha256_vtable",
|
|
header: "bearssl_hash.h".}: BrHashClass
|
|
var sha384Vtable* {.importc: "br_sha384_vtable",
|
|
header: "bearssl_hash.h".}: BrHashClass
|
|
var sha512Vtable* {.importc: "br_sha512_vtable",
|
|
header: "bearssl_hash.h".}: BrHashClass
|
|
|
|
template brRsaPrivateKeyBufferSize*(size: int): int =
|
|
# BR_RSA_KBUF_PRIV_SIZE(size)
|
|
(5 * ((size + 15) shr 4))
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|
|
|
template brRsaPublicKeyBufferSize*(size: int): int =
|
|
# BR_RSA_KBUF_PUB_SIZE(size)
|
|
(4 + ((size + 7) shr 3))
|