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26 lines
642 B
26 lines
642 B
/* |
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* Common values for the ChaCha20 algorithm |
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*/ |
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#ifndef _CRYPTO_CHACHA20_H |
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#define _CRYPTO_CHACHA20_H |
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#include <linux/types.h> |
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#include <linux/crypto.h> |
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#define CHACHA20_IV_SIZE 16 |
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#define CHACHA20_KEY_SIZE 32 |
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#define CHACHA20_BLOCK_SIZE 64 |
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struct chacha20_ctx { |
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u32 key[8]; |
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}; |
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void chacha20_block(u32 *state, void *stream); |
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void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv); |
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int crypto_chacha20_setkey(struct crypto_tfm *tfm, const u8 *key, |
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unsigned int keysize); |
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int crypto_chacha20_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, |
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struct scatterlist *src, unsigned int nbytes); |
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#endif
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