improve comment about buffer
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@ -84,7 +84,8 @@ proc generateSignedKey(
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const extValueSize = 256 # Buffer size for ASN.1 encoding
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const extValueSize = 256 # Buffer size for ASN.1 encoding
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var
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var
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extValue: array[extValueSize, byte]
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extValue: array[extValueSize, byte]
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extPtr: ptr byte = addr extValue[extValueSize - 1] # Start at the end of the buffer
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extPtr: ptr byte = addr extValue[extValueSize - 1]
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# Start at the end of the buffer as mbedtls_asn1_write_octet_string works backwards in data buffer.
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startPtr: ptr byte = addr extValue[0]
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startPtr: ptr byte = addr extValue[0]
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len = 0
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len = 0
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