128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
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#ifdef FREEBL_NO_DEPEND
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#include "stubs.h"
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#endif
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#include "prtypes.h" /* for PRUintXX */
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#include "secport.h" /* for PORT_XXX */
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#include "blapi.h"
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#include "blapii.h"
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#include "blapit.h"
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#include "secerr.h"
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#include "Hacl_Hash_SHA3.h"
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struct SHAKEContextStr {
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Hacl_Streaming_Keccak_state *st;
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};
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SHAKE_128Context *
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SHAKE_128_NewContext()
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{
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SHAKE_128Context *ctx = PORT_New(SHAKE_128Context);
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ctx->st = Hacl_Streaming_Keccak_malloc(Spec_Hash_Definitions_Shake128);
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return ctx;
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}
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SHAKE_256Context *
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SHAKE_256_NewContext()
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{
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SHAKE_256Context *ctx = PORT_New(SHAKE_256Context);
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ctx->st = Hacl_Streaming_Keccak_malloc(Spec_Hash_Definitions_Shake256);
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return ctx;
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}
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void
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SHAKE_128_DestroyContext(SHAKE_128Context *ctx, PRBool freeit)
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{
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Hacl_Streaming_Keccak_reset(ctx->st);
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if (freeit) {
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Hacl_Streaming_Keccak_free(ctx->st);
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PORT_Free(ctx);
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}
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}
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void
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SHAKE_256_DestroyContext(SHAKE_256Context *ctx, PRBool freeit)
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{
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Hacl_Streaming_Keccak_reset(ctx->st);
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if (freeit) {
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Hacl_Streaming_Keccak_free(ctx->st);
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PORT_Free(ctx);
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}
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}
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void
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SHAKE_128_Begin(SHAKE_128Context *ctx)
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{
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Hacl_Streaming_Keccak_reset(ctx->st);
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}
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void
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SHAKE_256_Begin(SHAKE_256Context *ctx)
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{
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Hacl_Streaming_Keccak_reset(ctx->st);
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}
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void
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SHAKE_128_Absorb(SHAKE_128Context *ctx, const unsigned char *input,
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unsigned int inputLen)
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{
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Hacl_Streaming_Keccak_update(ctx->st, (uint8_t *)input, inputLen);
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}
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void
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SHAKE_256_Absorb(SHAKE_256Context *ctx, const unsigned char *input,
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unsigned int inputLen)
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{
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Hacl_Streaming_Keccak_update(ctx->st, (uint8_t *)input, inputLen);
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}
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void
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SHAKE_128_SqueezeEnd(SHAKE_128Context *ctx, unsigned char *digest,
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unsigned int digestLen)
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{
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Hacl_Streaming_Keccak_squeeze(ctx->st, digest, digestLen);
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}
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void
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SHAKE_256_SqueezeEnd(SHAKE_256Context *ctx, unsigned char *digest,
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unsigned int digestLen)
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{
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Hacl_Streaming_Keccak_squeeze(ctx->st, digest, digestLen);
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}
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SECStatus
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SHAKE_128_HashBuf(unsigned char *dest, PRUint32 dest_length,
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const unsigned char *src, PRUint32 src_length)
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{
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SHAKE_128Context *ctx = SHAKE_128_NewContext();
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SHAKE_128_Begin(ctx);
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SHAKE_128_Absorb(ctx, src, src_length);
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SHAKE_128_SqueezeEnd(ctx, dest, dest_length);
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SHAKE_128_DestroyContext(ctx, true);
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return SECSuccess;
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}
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SECStatus
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SHAKE_256_HashBuf(unsigned char *dest, PRUint32 dest_length,
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const unsigned char *src, PRUint32 src_length)
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{
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SHAKE_256Context *ctx = SHAKE_256_NewContext();
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SHAKE_256_Begin(ctx);
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SHAKE_256_Absorb(ctx, src, src_length);
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SHAKE_256_SqueezeEnd(ctx, dest, dest_length);
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SHAKE_256_DestroyContext(ctx, true);
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return SECSuccess;
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}
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SECStatus
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SHAKE_128_Hash(unsigned char *dest, unsigned int dest_length, const char *src)
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{
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return SHAKE_128_HashBuf(dest, dest_length, (const unsigned char *)src, PORT_Strlen(src));
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}
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SECStatus
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SHAKE_256_Hash(unsigned char *dest, unsigned int dest_length, const char *src)
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{
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return SHAKE_256_HashBuf(dest, dest_length, (const unsigned char *)src, PORT_Strlen(src));
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}
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