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52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/**
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* @file hmac.h
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* @brief Hardware accelerated HMAC-SHA(1, 256) implementation.
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* @copyright libnx Authors
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*/
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#pragma once
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#include "sha1.h"
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#include "sha256.h"
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/// Context for HMAC-SHA1 operations.
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typedef struct {
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Sha1Context sha_ctx;
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u32 key[SHA1_BLOCK_SIZE / sizeof(u32)];
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u32 mac[SHA1_HASH_SIZE / sizeof(u32)];
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bool finalized;
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} HmacSha1Context;
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/// Context for HMAC-SHA256 operations.
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typedef struct {
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Sha256Context sha_ctx;
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u32 key[SHA256_BLOCK_SIZE / sizeof(u32)];
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u32 mac[SHA256_HASH_SIZE / sizeof(u32)];
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bool finalized;
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} HmacSha256Context;
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#ifndef HMAC_SHA1_KEY_MAX
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#define HMAC_SHA1_KEY_MAX (sizeof(((HmacSha1Context *)NULL)->key))
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#endif
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#ifndef HMAC_SHA256_KEY_MAX
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#define HMAC_SHA256_KEY_MAX (sizeof(((HmacSha256Context *)NULL)->key))
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#endif
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/// Initialize a HMAC-SHA256 context.
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void hmacSha256ContextCreate(HmacSha256Context *out, const void *key, size_t key_size);
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/// Updates HMAC-SHA256 context with data to hash
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void hmacSha256ContextUpdate(HmacSha256Context *ctx, const void *src, size_t size);
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/// Gets the context's output mac, finalizes the context.
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void hmacSha256ContextGetMac(HmacSha256Context *ctx, void *dst);
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/// Simple all-in-one HMAC-SHA256 calculator.
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void hmacSha256CalculateMac(void *dst, const void *key, size_t key_size, const void *src, size_t size);
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/// Initialize a HMAC-SHA1 context.
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void hmacSha1ContextCreate(HmacSha1Context *out, const void *key, size_t key_size);
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/// Updates HMAC-SHA1 context with data to hash
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void hmacSha1ContextUpdate(HmacSha1Context *ctx, const void *src, size_t size);
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/// Gets the context's output mac, finalizes the context.
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void hmacSha1ContextGetMac(HmacSha1Context *ctx, void *dst);
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/// Simple all-in-one HMAC-SHA1 calculator.
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void hmacSha1CalculateMac(void *dst, const void *key, size_t key_size, const void *src, size_t size);
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