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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#ifndef AES_H
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#define AES_H
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#include <stdint.h>
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#define AES128_KEYBYTES 16
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#define AES192_KEYBYTES 24
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#define AES256_KEYBYTES 32
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#define AESCTR_NONCEBYTES 12
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typedef struct {
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uint64_t sk_exp[88];
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} aes128ctx;
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typedef struct {
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uint64_t sk_exp[104];
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} aes192ctx;
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typedef struct {
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uint64_t sk_exp[120];
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} aes256ctx;
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void aes128_keyexp(aes128ctx *r, const unsigned char *key);
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void aes128_ecb(unsigned char *out, const unsigned char *in, size_t nblocks, const aes128ctx *ctx);
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void aes128_ctr(unsigned char *out, size_t outlen, const unsigned char *iv, const aes128ctx *ctx);
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void aes192_keyexp(aes192ctx *r, const unsigned char *key);
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void aes192_ecb(unsigned char *out, const unsigned char *in, size_t nblocks, const aes192ctx *ctx);
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void aes192_ctr(unsigned char *out, size_t outlen, const unsigned char *iv, const aes192ctx *ctx);
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void aes256_keyexp(aes256ctx *r, const unsigned char *key);
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void aes256_ecb(unsigned char *out, const unsigned char *in, size_t nblocks, const aes256ctx *ctx);
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void aes256_ctr(unsigned char *out, size_t outlen, const unsigned char *iv, const aes256ctx *ctx);
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#endif
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