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Add note that uECC_VLI_NATIVE_LITTLE_ENDIAN affects key compatiblity

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Ken MacKay
2017-05-21 11:05:04 -07:00
parent 899a4396fc
commit d037ec8954
1 changed files with 4 additions and 1 deletions
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uECC.h
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@@ -44,7 +44,10 @@ Using this switch reduces the amount of call stack memory used by uECC, since le
translations are required.
Note that this will *only* work on native little-endian processors and it will treat the uint8_t
arrays passed into the public API as word arrays, therefore requiring the provided byte arrays
to be word aligned on architectures that do not support unaligned accesses. */
to be word aligned on architectures that do not support unaligned accesses.
IMPORTANT: Keys and signatures generated with uECC_VLI_NATIVE_LITTLE_ENDIAN=1 are incompatible
with keys and signatures generated with uECC_VLI_NATIVE_LITTLE_ENDIAN=0; all parties must use
the same endianness. */
#ifndef uECC_VLI_NATIVE_LITTLE_ENDIAN
#define uECC_VLI_NATIVE_LITTLE_ENDIAN 0
#endif