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sha1_transform() causes buffer overflow #33

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clearday4 opened this issue Jun 14, 2021 · 0 comments

clearday4 commented Jun 14, 2021

Hello.
sha1_transform() in the sha1.c declares a block[1] of union type, which is
union char64long16 {
uint8_t c[64];
uint32_t l[16];
};

and access until block->l[79] by R0 MACRO.
It makes a buffer overflow.
would you fix this problem?

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