/*
 * libZRTP SDK library, implements the ZRTP secure VoIP protocol.
 * Copyright (c) 2006-2009 Philip R. Zimmermann.  All rights reserved.
 * Contact: http://philzimmermann.com
 * For licensing and other legal details, see the file zrtp_legal.c.
 * 
 * Viktor Krykun <v.krikun at zfoneproject.com> 
 * Vitaly Rozhkov <v.rozhkov at soft-industry.com>
 */

#include "sha2.h"
#include "sha1.h"

#include "zrtp.h"

#define _ZTU_ "zrtp hash"


/*============================================================================*/
/*   HASH function															  */
/*============================================================================*/

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_sha_c(zrtp_hash_t *self, const char* msg, uint32_t len, zrtp_stringn_t *dst)
{	
	if (!self || !msg || !dst || !len) {
		return zrtp_status_bad_param;
	}
	
	switch (self->base.id)
	{
		case ZRTP_SRTP_HASH_HMAC_SHA1: {
			sha1_ctx ctx;
			if (dst->max_length < SHA1_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}			
			sha1_begin(&ctx);
			sha1_hash((const unsigned char*)msg, len, &ctx);			
			sha1_end((unsigned char*)dst->buffer, &ctx);
			dst->length = SHA1_DIGEST_SIZE;
		} break;
			
		case ZRTP_HASH_SHA256: {
			sha256_ctx ctx;
			if (dst->max_length < SHA256_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}			
			sha256_begin(&ctx);
			sha256_hash((const unsigned char*)msg, len, &ctx);			
			sha256_end((unsigned char*)dst->buffer, &ctx);
			dst->length = SHA256_DIGEST_SIZE;
		} break;
			
		case ZRTP_HASH_SHA384: {
			sha384_ctx ctx;
			if (dst->max_length < SHA384_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}			
			sha384_begin(&ctx);
			sha384_hash((const unsigned char*)msg, len, &ctx);			
			sha384_end((unsigned char*)dst->buffer, &ctx);
			dst->length = SHA384_DIGEST_SIZE;
		} break;
	}
	
    return zrtp_status_ok;
}

static zrtp_status_t zrtp_sha(zrtp_hash_t *self, const zrtp_stringn_t *msg, zrtp_stringn_t *dst) {
	if (!self || !msg || !dst) {
		return zrtp_status_bad_param;
	}
	return zrtp_sha_c(self, msg->buffer, msg->length, dst);
}

/*----------------------------------------------------------------------------*/
static void* zrtp_sha_begin(zrtp_hash_t *self)
{
	void *ctx = NULL;
	
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			ctx = zrtp_sys_alloc(sizeof(sha1_ctx));
			if (ctx) {
				sha1_begin(ctx);
			}
			break;
		case ZRTP_HASH_SHA256:
			ctx = zrtp_sys_alloc(sizeof(sha256_ctx));
			if (ctx) {
				sha256_begin(ctx);
			}			
			break;
		case ZRTP_HASH_SHA384:
			ctx = zrtp_sys_alloc(sizeof(sha384_ctx));
			if (ctx) {
				sha384_begin(ctx);
			}
			break;
	}
	
    return ctx;
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_sha_update( zrtp_hash_t *self,
									  void *ctx,
									  const int8_t *msg,
									  uint32_t length)
{
    if (!ctx || !msg || !length) {
		return zrtp_status_bad_param;
	}
    
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			sha1_hash((const unsigned char*)msg, length, (sha1_ctx*)ctx);
			break;
		case ZRTP_HASH_SHA256:		
			sha256_hash((const unsigned char*)msg, length, (sha256_ctx*)ctx);
			break;
		case ZRTP_HASH_SHA384:
			sha384_hash((const unsigned char*)msg, length, (sha384_ctx*)ctx);
			break;
	}
    
    return zrtp_status_ok;
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_sha_end( zrtp_hash_t *self,
							 	   void *ctx,
								   zrtp_stringn_t *digest)
{
    if (!ctx || !digest) {
    	return zrtp_status_bad_param;
	}
	
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			if (digest->max_length < SHA1_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}
			sha1_end((unsigned char*)digest->buffer,(sha1_ctx*)ctx);
			digest->length = SHA1_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA256:
			if (digest->max_length < SHA256_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}	
			sha256_end((unsigned char*)digest->buffer,(sha256_ctx*)ctx);
			digest->length = SHA256_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA384:
			if (digest->max_length < SHA384_DIGEST_SIZE) {
				return zrtp_status_buffer_size;
			}	
			sha384_end((unsigned char*)digest->buffer,(sha384_ctx*)ctx);
			digest->length = SHA384_DIGEST_SIZE;
			break;
	}
    
	zrtp_sys_free(ctx);
	ctx = 0;
    
    return zrtp_status_ok;
}


/*============================================================================*/
/*    HMAC functions														  */
/*============================================================================*/

typedef struct
{
	sha384_ctx		context;
	unsigned char	k_ipad[128];    /* inner padding - key XORd with ipad */
	unsigned char	k_opad[128];    /* outer padding - key XORd with opad */
} hmac_sha384_context_t;


typedef struct
{
	sha256_ctx		context;
	unsigned char	k_ipad[64];
	unsigned char	k_opad[64];
} hmac_sha256_context_t;

typedef struct
{
	sha1_ctx		context;
	unsigned char	k_ipad[64];
	unsigned char	k_opad[64];
} hmac_sha1_context_t;


/*----------------------------------------------------------------------------*/
static void* zrtp_hmac_sha256_begin_c(zrtp_hash_t *self, const char *key, uint32_t length)
{
	const char *p_key;
	uint32_t key_length;
	char local_key[SHA256_BLOCK_SIZE];
    int i = 0;
    hmac_sha256_context_t *ctx = zrtp_sys_alloc(sizeof(hmac_sha256_context_t));
    if (!ctx) {
		return NULL;
    }
	zrtp_memset(ctx, 0, sizeof(hmac_sha256_context_t));

	if (length > SHA256_BLOCK_SIZE) {
		sha256_begin(&ctx->context);
		sha256_hash((const unsigned char*)key, length, &ctx->context);
		sha256_end((unsigned char*)local_key, &ctx->context);
		
		p_key = local_key;
		key_length = SHA256_BLOCK_SIZE;
	} else {
		p_key = key;
		key_length = length;
	}

    /*
     * the HMAC transform looks like:
     *	
     * HASH(K XOR opad, HASH(K XOR ipad, text))
     *	
     * where K is an n byte key
     * ipad is the byte 0x36 repeated 64 times
     * opad is the byte 0x5c repeated 64 times
     * and text is the data being protected
     */

    /* start out by storing key in pads */
    zrtp_memcpy(ctx->k_ipad, p_key, ZRTP_MIN(key_length, 64));
    zrtp_memcpy(ctx->k_opad, p_key, ZRTP_MIN(key_length, 64));

    /* XOR key with ipad and opad values */
    for (i=0; i<64; i++) {
		ctx->k_ipad[i] ^= (uint8_t)0x36;
		ctx->k_opad[i] ^= (uint8_t)0x5c;
    }

    /* perform inner hash */
    sha256_begin(&ctx->context);					/* init context for 1st pass */
    sha256_hash(ctx->k_ipad, 64, &ctx->context);	/* start with inner pad */

	zrtp_memset(&local_key, 0, sizeof(local_key));
    return ctx;
}
static void* zrtp_hmac_sha384_begin_c(zrtp_hash_t *self, const char *key, uint32_t length)
{
	const char *p_key;
	uint32_t key_length;
	char local_key[SHA384_BLOCK_SIZE];
    int i = 0;
    hmac_sha384_context_t *ctx = zrtp_sys_alloc(sizeof(hmac_sha384_context_t));
    if (!ctx) {
		return NULL;
    }
	zrtp_memset(ctx, 0, sizeof(hmac_sha384_context_t));
	
	if (length > SHA384_BLOCK_SIZE) {
		sha384_begin(&ctx->context);
		sha384_hash((const unsigned char*)key, length, &ctx->context);
		sha384_end((unsigned char*)local_key, &ctx->context);
		
		p_key = local_key;
		key_length = SHA384_BLOCK_SIZE;
	} else {
		p_key = key;
		key_length = length;
	}
	
    zrtp_memcpy(ctx->k_ipad, p_key, ZRTP_MIN(key_length, 128));
    zrtp_memcpy(ctx->k_opad, p_key, ZRTP_MIN(key_length, 128));
	
    for (i=0; i<128; i++) {
		ctx->k_ipad[i] ^= (uint8_t)0x36;
		ctx->k_opad[i] ^= (uint8_t)0x5c;
    }
	
    sha384_begin(&ctx->context);
    sha384_hash(ctx->k_ipad, 128, &ctx->context);
	
	zrtp_memset(&local_key, 0, sizeof(local_key));
    return ctx;
}

static void* zrtp_hmac_sha1_begin_c( zrtp_hash_t *self,
									 const char *key,
									 uint32_t length)
{
	const char *p_key;
	uint32_t key_length;
	char local_key[SHA1_BLOCK_SIZE];
    int i = 0;
    hmac_sha1_context_t *ctx = zrtp_sys_alloc(sizeof(hmac_sha1_context_t));
    if (!ctx) {
		return NULL;
    }
	zrtp_memset(ctx, 0, sizeof(hmac_sha1_context_t));
	
	if (length > SHA1_BLOCK_SIZE) {		
		sha1_begin(&ctx->context);
		sha1_hash((const unsigned char*)key, length, &ctx->context);
		sha1_end((unsigned char*)local_key, &ctx->context);
		
		p_key = local_key;
		key_length = SHA1_BLOCK_SIZE;
	} else {
		p_key = key;
		key_length = length;
	}
	
    zrtp_memcpy(ctx->k_ipad, p_key, ZRTP_MIN(key_length, 64));
    zrtp_memcpy(ctx->k_opad, p_key, ZRTP_MIN(key_length, 64));
	
    for (i=0; i<64; i++) {
		ctx->k_ipad[i] ^= (uint8_t)0x36;
		ctx->k_opad[i] ^= (uint8_t)0x5c;
    }
	
    sha1_begin(&ctx->context);
    sha1_hash(ctx->k_ipad, 64, &ctx->context);
	
	zrtp_memset(&local_key, 0, sizeof(local_key));
    return ctx;
}

static void* zrtp_hmac_begin(zrtp_hash_t *self, const zrtp_stringn_t *key) {
	switch (self->base.id)
	{
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			return zrtp_hmac_sha1_begin_c(self, key->buffer, key->length);
		case ZRTP_HASH_SHA256:
			return zrtp_hmac_sha256_begin_c(self, key->buffer, key->length);
		case ZRTP_HASH_SHA384:
			return zrtp_hmac_sha384_begin_c(self, key->buffer, key->length);
		default:
			return NULL;
	}		
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_hmac_update(zrtp_hash_t *self, void *ctx, const char *msg, uint32_t length)
{
    if (!ctx || !msg) {
    	return zrtp_status_fail;
    }
	
    if (0 != length) {
		switch (self->base.id) {
			case ZRTP_SRTP_HASH_HMAC_SHA1:
				sha1_hash((const unsigned char*)msg, length, &((hmac_sha1_context_t*)ctx)->context);
				break;
			case ZRTP_HASH_SHA256:
				sha256_hash((const unsigned char*)msg, length, &((hmac_sha256_context_t*)ctx)->context);
				break;
			case ZRTP_HASH_SHA384:
				sha384_hash((const unsigned char*)msg, length, &((hmac_sha384_context_t*)ctx)->context);
				break;
			default:
				return zrtp_status_bad_param;
		}
    }
    
    return zrtp_status_ok;
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_hmac_end( zrtp_hash_t *self,
									void *ctx,
									zrtp_stringn_t *digest,
									uint32_t len)
{
    zrtp_string128_t dst = ZSTR_INIT_EMPTY(dst);
	
	if (!ctx || !digest) {
		return zrtp_status_fail;
    }
	
	switch (self->base.id)
	{
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			/* finish up 1st pass */
			sha1_end((unsigned char*)dst.buffer, &((hmac_sha1_context_t*)ctx)->context);
			
			/* perform outer hash  and init context for 2nd pass */
			sha1_begin(&((hmac_sha1_context_t*)ctx)->context);
			/* start with outer pad */
			sha1_hash(((hmac_sha1_context_t*)ctx)->k_opad, 64, &((hmac_sha1_context_t*)ctx)->context);
			/* then results of 1st hash */
			sha1_hash((const unsigned char*)dst.buffer, SHA1_DIGEST_SIZE, &((hmac_sha1_context_t*)ctx)->context);
			/* finish up 2nd pass */
			sha1_end((unsigned char*)dst.buffer, &((hmac_sha1_context_t*)ctx)->context);
			
			len = (0 == len) ? SHA1_DIGEST_SIZE : ZRTP_MIN(len, SHA1_DIGEST_SIZE);
			break;
		case ZRTP_HASH_SHA256:
			sha256_end((unsigned char*)dst.buffer, &((hmac_sha256_context_t*)ctx)->context);		
			sha256_begin(&((hmac_sha256_context_t*)ctx)->context);		
			sha256_hash(((hmac_sha256_context_t*)ctx)->k_opad, 64, &((hmac_sha256_context_t*)ctx)->context);
			sha256_hash((const unsigned char*)dst.buffer, SHA256_DIGEST_SIZE, &((hmac_sha256_context_t*)ctx)->context);
			sha256_end((unsigned char*)dst.buffer, &((hmac_sha256_context_t*)ctx)->context);
			
			len = (0 == len) ? SHA256_DIGEST_SIZE : ZRTP_MIN(len, SHA256_DIGEST_SIZE);
			break;
		case ZRTP_HASH_SHA384:
			sha384_end((unsigned char*)dst.buffer, &((hmac_sha384_context_t*)ctx)->context);		
			sha384_begin(&((hmac_sha384_context_t*)ctx)->context);		
			sha384_hash(((hmac_sha384_context_t*)ctx)->k_opad, 128, &((hmac_sha384_context_t*)ctx)->context);
			sha384_hash((const unsigned char*)dst.buffer, SHA384_DIGEST_SIZE, &((hmac_sha384_context_t*)ctx)->context);
			sha384_end((unsigned char*)dst.buffer, &((hmac_sha384_context_t*)ctx)->context);
			
			len = (0 == len) ? SHA384_DIGEST_SIZE : ZRTP_MIN(len, SHA384_DIGEST_SIZE);
			break;
		default:
			return zrtp_status_bad_param;
	}
		
    digest->length = ZRTP_MIN(len, digest->max_length);
    zrtp_memcpy(digest->buffer, dst.buffer, digest->length);
	
    zrtp_sys_free(ctx);
	
    return zrtp_status_ok;
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_hmac_c( zrtp_hash_t *self,
								  const char *key,
								  const uint32_t key_len,
								  const char *msg,
								  const uint32_t msg_len,
								  zrtp_stringn_t *digest)
{
	unsigned char *p_key;
	uint32_t l_key_len;
    sha1_ctx context1;
	sha256_ctx context2;
	sha384_ctx context3;
    unsigned char k_ipad[128];    /* inner padding - key XORd with ipad */
    unsigned char k_opad[128];    /* outer padding - key XORd with opad */
    unsigned i;	
	unsigned char local_key[SHA384_BLOCK_SIZE];
	uint32_t local_key_len = 0;
	
	
	if (!self || !digest || !key || !msg) {
    	return zrtp_status_buffer_size;
	}
	
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			local_key_len = SHA1_BLOCK_SIZE;
			break;
		case ZRTP_HASH_SHA256:
			local_key_len = SHA256_BLOCK_SIZE;
			break;
		case ZRTP_HASH_SHA384:
			local_key_len = SHA384_BLOCK_SIZE;
			break;
		default:
			return zrtp_status_bad_param;
	}
	
	if (digest->max_length < local_key_len) {
		return zrtp_status_buffer_size;
	}
	
	if (key_len > local_key_len) {		
		switch (self->base.id)
		{
			case ZRTP_SRTP_HASH_HMAC_SHA1:
				sha1_begin(&context1);
				sha1_hash((const unsigned char*)key, key_len, &context1);
				sha1_end(local_key, &context1);
				break;
			case ZRTP_HASH_SHA256:
				sha256_begin(&context2);
				sha256_hash((const unsigned char*)key, key_len, &context2);
				sha256_end(local_key, &context2);
				break;
			case ZRTP_HASH_SHA384:
				sha384_begin(&context3);
				sha384_hash((const unsigned char*)key, key_len, &context3);
				sha384_end(local_key, &context3);
				break;
		}
		
		p_key = local_key;
		l_key_len = local_key_len;
	} else {
		p_key = (unsigned char*)key;
		l_key_len = key_len;
	}
	
    /*
     * the HMAC transform looks like:
     *
     * HASH(K XOR opad, HASH(K XOR ipad, text))
     *	
     *	where K is an n byte key
     *	ipad is the byte 0x36 repeated 64 times
     *	opad is the byte 0x5c repeated 64 times
     *	and text is the data being protected
     */
	
    /* start out by storing key in pads */
	zrtp_memset(k_ipad, 0, sizeof(k_ipad));	
	zrtp_memset(k_opad, 0, sizeof(k_opad));	
    zrtp_memcpy(k_ipad, p_key, ZRTP_MIN(l_key_len, local_key_len));
    zrtp_memcpy(k_opad, p_key, ZRTP_MIN(l_key_len, local_key_len));
	
    /* XOR key with ipad and opad values */
    for (i=0; i<local_key_len; i++) {
		k_ipad[i] ^= 0x36;
		k_opad[i] ^= 0x5c;
    }
	
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			/* perform inner hash */
			sha1_begin(&context1);			/* init context for 1st pass */
			sha1_hash(k_ipad, local_key_len, &context1);/* start with inner pad */
			sha1_hash((const unsigned char*)msg, msg_len, &context1); 	/* then text of datagram */
			sha1_end((unsigned char*)digest->buffer, &context1);		/* finish up 1st pass */
			
			/* perform outer hash */
			sha1_begin(&context1);			/* init context for 2nd pass */
			sha1_hash(k_opad, local_key_len, &context1);/* start with outer pad */
			sha1_hash((const unsigned char*)digest->buffer, SHA1_DIGEST_SIZE, &context1); /* then results of 1st hash */
			sha1_end((unsigned char*)digest->buffer, &context1);	/* finish up 2nd pass */
			
			digest->length = SHA1_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA256:
			sha256_begin(&context2);
			sha256_hash(k_ipad, local_key_len, &context2);
			sha256_hash((const unsigned char*)msg, msg_len, &context2);
			sha256_end((unsigned char*)digest->buffer, &context2);
			
			sha256_begin(&context2);
			sha256_hash(k_opad, local_key_len, &context2);
			sha256_hash((const unsigned char*)digest->buffer, SHA256_DIGEST_SIZE, &context2);
			sha256_end((unsigned char*)digest->buffer, &context2);
			
			digest->length = SHA256_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA384:
			sha384_begin(&context3);
			sha384_hash(k_ipad, local_key_len, &context3);
			sha384_hash((const unsigned char*)msg, msg_len, &context3);
			sha384_end((unsigned char*)digest->buffer, &context3);
			
			sha384_begin(&context3);
			sha384_hash(k_opad, local_key_len, &context3);
			sha384_hash((const unsigned char*)digest->buffer, SHA384_DIGEST_SIZE, &context3);
			sha384_end((unsigned char*)digest->buffer, &context3);
			
			digest->length = SHA384_DIGEST_SIZE;
			break;
	}
	
    return zrtp_status_ok;
}

static zrtp_status_t zrtp_hmac( zrtp_hash_t *self,
							    const zrtp_stringn_t *key,
							    const zrtp_stringn_t *msg,
							    zrtp_stringn_t *digest) {
	return zrtp_hmac_c(self, key->buffer, key->length, msg->buffer, msg->length, digest);
}

/*----------------------------------------------------------------------------*/
static zrtp_status_t zrtp_hmac_truncated_c( zrtp_hash_t *self,
											const char *key,
											const uint32_t key_len,
											const char *msg,
											const uint32_t msg_len,
											uint32_t necessary_len,
											zrtp_stringn_t *digest)
{
    uint32_t necessary_len_max = 0;
	switch (self->base.id) {
		case ZRTP_SRTP_HASH_HMAC_SHA1:
			necessary_len_max = SHA1_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA256:
			necessary_len_max = SHA256_DIGEST_SIZE;
			break;
		case ZRTP_HASH_SHA384:
			necessary_len_max = SHA384_DIGEST_SIZE;
			break;
	}
	if (necessary_len > necessary_len_max) {
		return zrtp_status_buffer_size;
    }
	
    if (0 == necessary_len) {
		zrtp_hmac_c(self, key, key_len, msg, msg_len, digest);
    } else {
		zrtp_string128_t dst = ZSTR_INIT_EMPTY(dst);
		
		zrtp_hmac_c(self, key, key_len, msg, msg_len, (zrtp_stringn_t *)&dst);
		switch (self->base.id) {
			case ZRTP_SRTP_HASH_HMAC_SHA1:
				necessary_len = ZRTP_MIN(necessary_len, SHA1_DIGEST_SIZE);
				break;
			case ZRTP_HASH_SHA256:
				necessary_len = ZRTP_MIN(necessary_len, SHA256_DIGEST_SIZE);
				break;
			case ZRTP_HASH_SHA384:
				necessary_len = ZRTP_MIN(necessary_len, SHA384_DIGEST_SIZE);
				break;
		}
		digest->length = ZRTP_MIN(necessary_len, digest->max_length);
		zrtp_memcpy(digest->buffer, dst.buffer, digest->length);
    }
    
    return zrtp_status_ok;
}

static zrtp_status_t zrtp_hmac_truncated( zrtp_hash_t *self,
										  const zrtp_stringn_t *key,
										  const zrtp_stringn_t *msg,
										  uint32_t len,
										  zrtp_stringn_t *digest) {
	return zrtp_hmac_truncated_c(self, key->buffer, key->length, msg->buffer, msg->length, len, digest);
	
}


/*============================================================================*/
/*    SHA and SHMAC test cases						      					  */
/*============================================================================*/


/*
 * SHA1 Test Vectors
 */

static uint8_t sha1_msg_8[1] = {
	0xa8 
};

static uint8_t sha1_MD_8[20] = {
	0x99, 0xf2, 0xaa, 0x95, 0xe3, 0x6f, 0x95, 0xc2,
	0xac, 0xb0, 0xea, 0xf2, 0x39, 0x98, 0xf0, 0x30,
	0x63, 0x8f, 0x3f, 0x15 
};

static uint8_t sha1_msg_128[16] = {
	0xc5, 0xa2, 0x2d, 0xd6, 0xed, 0xa3, 0xfe, 0x2b,
	0xdc, 0x4d, 0xdb, 0x3c, 0xe6, 0xb3, 0x5f, 0xd1 
};

static uint8_t sha1_MD_128[20] = {
	0xfa, 0xc8, 0xab, 0x93, 0xc1, 0xae, 0x6c, 0x16,
	0xf0, 0x31, 0x18, 0x72, 0xb9, 0x84, 0xf7, 0x29,
	0xdc, 0x92, 0x8c, 0xcd 
};

static uint8_t sha1_msg_512[64] = {
	0x7e, 0x3a, 0x4c, 0x32, 0x5c, 0xb9, 0xc5, 0x2b,
	0x88, 0x38, 0x7f, 0x93, 0xd0, 0x1a, 0xe8, 0x6d,
	0x42, 0x09, 0x8f, 0x5e, 0xfa, 0x7f, 0x94, 0x57,
	0x38, 0x8b, 0x5e, 0x74, 0xb6, 0xd2, 0x8b, 0x24,
	0x38, 0xd4, 0x2d, 0x8b, 0x64, 0x70, 0x33, 0x24,
	0xd4, 0xaa, 0x25, 0xab, 0x6a, 0xad, 0x15, 0x3a,
	0xe3, 0x0c, 0xd2, 0xb2, 0xaf, 0x4d, 0x5e, 0x5c,
	0x00, 0xa8, 0xa2, 0xd0, 0x22, 0x0c, 0x61, 0x16 
};

static uint8_t sha1_MD_512[20] = {
	0xa3, 0x05, 0x44, 0x27, 0xcd, 0xb1, 0x3f, 0x16,
	0x4a, 0x61, 0x0b, 0x34, 0x87, 0x02, 0x72, 0x4c,
	0x80, 0x8a, 0x0d, 0xcc 
};

static uint8_t sha1_msg_2096[262] = {
	0x5f, 0xc2, 0xc3, 0xf6, 0xa7, 0xe7, 0x9d, 0xc9,
	0x4b, 0xe5, 0x26, 0xe5, 0x16, 0x6a, 0x23, 0x88,
	0x99, 0xd5, 0x49, 0x27, 0xce, 0x47, 0x00, 0x18,
	0xfb, 0xfd, 0x66, 0x8f, 0xd9, 0xdd, 0x97, 0xcb,
	0xf6, 0x4e, 0x2c, 0x91, 0x58, 0x4d, 0x01, 0xda,
	0x63, 0xbe, 0x3c, 0xc9, 0xfd, 0xff, 0x8a, 0xdf,
	0xef, 0xc3, 0xac, 0x72, 0x8e, 0x1e, 0x33, 0x5b,
	0x9c, 0xdc, 0x87, 0xf0, 0x69, 0x17, 0x2e, 0x32,
	0x3d, 0x09, 0x4b, 0x47, 0xfa, 0x1e, 0x65, 0x2a,
	0xfe, 0x4d, 0x6a, 0xa1, 0x47, 0xa9, 0xf4, 0x6f,
	0xda, 0x33, 0xca, 0xcb, 0x65, 0xf3, 0xaa, 0x12,
	0x23, 0x47, 0x46, 0xb9, 0x00, 0x7a, 0x8c, 0x85,
	0xfe, 0x98, 0x2a, 0xfe, 0xd7, 0x81, 0x52, 0x21,
	0xe4, 0x3d, 0xba, 0x55, 0x3d, 0x8f, 0xe8, 0xa0,
	0x22, 0xcd, 0xac, 0x1b, 0x99, 0xee, 0xee, 0xa3,
	0x59, 0xe5, 0xa9, 0xd2, 0xe7, 0x2e, 0x38, 0x2d,
	0xff, 0xa6, 0xd1, 0x9f, 0x35, 0x9f, 0x4f, 0x27,
	0xdc, 0x34, 0x34, 0xcd, 0x27, 0xda, 0xee, 0xda,
	0x8e, 0x38, 0x59, 0x48, 0x73, 0x39, 0x86, 0x78,
	0x06, 0x5f, 0xbb, 0x23, 0x66, 0x5a, 0xba, 0x93,
	0x09, 0xd9, 0x46, 0x13, 0x5d, 0xa0, 0xe4, 0xa4,
	0xaf, 0xda, 0xdf, 0xf1, 0x4d, 0xb1, 0x8e, 0x85,
	0xe7, 0x1d, 0xd9, 0x3c, 0x3b, 0xf9, 0xfa, 0xf7,
	0xf2, 0x5c, 0x81, 0x94, 0xc4, 0x26, 0x9b, 0x1e,
	0xe3, 0xd9, 0x93, 0x40, 0x97, 0xab, 0x99, 0x00,
	0x25, 0xd9, 0xc3, 0xaa, 0xf6, 0x3d, 0x51, 0x09,
	0xf5, 0x23, 0x35, 0xdd, 0x39, 0x59, 0xd3, 0x8a,
	0xe4, 0x85, 0x05, 0x0e, 0x4b, 0xbb, 0x62, 0x35,
	0x57, 0x4f, 0xc0, 0x10, 0x2b, 0xe8, 0xf7, 0xa3,
	0x06, 0xd6, 0xe8, 0xde, 0x6b, 0xa6, 0xbe, 0xcf,
	0x80, 0xf3, 0x74, 0x15, 0xb5, 0x7f, 0x98, 0x98,
	0xa5, 0x82, 0x4e, 0x77, 0x41, 0x41, 0x97, 0x42,
	0x2b, 0xe3, 0xd3, 0x6a, 0x60, 0x80 
};

static uint8_t sha1_MD_2096[20] = {
	0x04, 0x23, 0xdc, 0x76, 0xa8, 0x79, 0x11, 0x07,
	0xd1, 0x4e, 0x13, 0xf5, 0x26, 0x5b, 0x34, 0x3f,
	0x24, 0xcc, 0x0f, 0x19 
};



/*
 * HMAC SHA1 Test Vectors from RFC 2202
 */

static uint8_t test_case1_hmac_sha1_key[20] = {
	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
	0x0b, 0x0b, 0x0b, 0x0b
};
static uint8_t test_case1_hmac_sha1_data[8] = {
	0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65
};
static uint8_t test_case1_hmac_sha1_result[20] = {
	0xb6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64, 
	0xe2, 0x8b, 0xc0, 0xb6, 0xfb, 0x37, 0x8c, 0x8e,
	0xf1, 0x46, 0xbe, 0x00
};


static uint8_t test_case2_hmac_sha1_key[4] = {
	0x4a, 0x65, 0x66, 0x65
};
static uint8_t test_case2_hmac_sha1_data[28] = {
	0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20,
	0x79, 0x61, 0x20, 0x77, 0x61, 0x6e, 0x74, 0x20,
	0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
	0x69, 0x6e, 0x67, 0x3f
};
static uint8_t test_case2_hmac_sha1_result[20] = {
	0xef, 0xfc, 0xdf, 0x6a, 0xe5, 0xeb, 0x2f, 0xa2,
	0xd2, 0x74, 0x16, 0xd5, 0xf1, 0x84, 0xdf, 0x9c,
	0x25, 0x9a, 0x7c, 0x79
};


static uint8_t test_case3_hmac_sha1_key[20] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa
};
static uint8_t test_case3_hmac_sha1_data[50] = {
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd
};
static uint8_t test_case3_hmac_sha1_result[20] = {
	0x12, 0x5d, 0x73, 0x42, 0xb9, 0xac, 0x11, 0xcd,
	0x91, 0xa3, 0x9a, 0xf4, 0x8a, 0xa1, 0x7b, 0x4f,
	0x63, 0xf1, 0x75, 0xd3
};


static uint8_t test_case4_hmac_sha1_key[25] = {
	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 
	0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,	0x0f, 0x10,
	0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 
	0x19
};
static uint8_t test_case4_hmac_sha1_data[50] = {
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd
};
static uint8_t test_case4_hmac_sha1_result[20] = {
	0x4c, 0x90, 0x07, 0xf4, 0x02, 0x62, 0x50, 0xc6,
	0xbc, 0x84, 0x14, 0xf9, 0xbf, 0x50, 0xc8, 0x6c,
	0x2d, 0x72, 0x35, 0xda
};


static uint8_t test_case5_hmac_sha1_key[20] = {
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c
};
static uint8_t test_case5_hmac_sha1_data[20] = {
	0x54, 0x65, 0x73, 0x74, 0x20, 0x57, 0x69, 0x74,
	0x68, 0x20, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61,
	0x74, 0x69, 0x6f, 0x6e
};
static uint8_t test_case5_hmac_sha1_result[20] = {
	0x4c, 0x1a, 0x03, 0x42, 0x4b, 0x55, 0xe0, 0x7f,
	0xe7, 0xf2, 0x7b, 0xe1, 0xd5, 0x8b, 0xb9, 0x32,
	0x4a, 0x9a, 0x5a, 0x04
};


static uint8_t test_case6_hmac_sha1_key[80] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
};
static uint8_t test_case6_hmac_sha1_data[54] = {
	0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69,
	0x6e, 0x67, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65,
	0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
	0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a,
	0x65, 0x20, 0x4b, 0x65, 0x79, 0x20, 0x2d, 0x20,
	0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79,
	0x20, 0x46, 0x69, 0x72, 0x73, 0x74
};
static uint8_t test_case6_hmac_sha1_result[20] = {
	0xaa, 0x4a, 0xe5, 0xe1, 0x52, 0x72, 0xd0, 0x0e,
	0x95, 0x70, 0x56, 0x37, 0xce, 0x8a, 0x3b, 0x55,
	0xed, 0x40, 0x21, 0x12
};


static uint8_t test_case7_hmac_sha1_key[80] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
};
static uint8_t test_case7_hmac_sha1_data[73] = {
	0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69,
	0x6e, 0x67, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65,
	0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
	0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a,
	0x65, 0x20, 0x4b, 0x65, 0x79, 0x20, 0x61, 0x6e,
	0x64, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65, 0x72,
	0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x4f, 0x6e,
	0x65, 0x20, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x2d,
	0x53, 0x69, 0x7a, 0x65, 0x20, 0x44, 0x61, 0x74,
	0x61
};
static uint8_t test_case7_hmac_sha1_result[20] = {
	0xe8, 0xe9, 0x9d, 0x0f, 0x45, 0x23, 0x7d, 0x78,
	0x6d, 0x6b, 0xba, 0xa7, 0x96, 0x5c, 0x78, 0x08,
	0xbb, 0xff, 0x1a, 0x91
};



/*
 * SHA256 Test Vectors
 */

static uint8_t sha256_msg_8[1] = {
	0xbd 
};

static uint8_t sha256_MD_8[32] = {
	0x68, 0x32, 0x57, 0x20, 0xaa, 0xbd, 0x7c, 0x82,
	0xf3, 0x0f, 0x55, 0x4b, 0x31, 0x3d, 0x05, 0x70,
	0xc9, 0x5a, 0xcc, 0xbb, 0x7d, 0xc4, 0xb5, 0xaa,
	0xe1, 0x12, 0x04, 0xc0, 0x8f, 0xfe, 0x73, 0x2b 
};

static uint8_t sha256_msg_128[16] = {
	0xfd, 0xf4, 0x70, 0x09, 0x84, 0xee, 0x11, 0xb7,
	0x0a, 0xf1, 0x88, 0x0d, 0x0e, 0x0f, 0xef, 0xd4 
};

static uint8_t sha256_MD_128[32] = {
	0xb0, 0x1a, 0xe1, 0x6e, 0xed, 0x3b, 0x4a, 0x77,
	0x0f, 0x12, 0x7b, 0x98, 0x46, 0x9b, 0xa2, 0x6f,
	0xe3, 0xd8, 0xe9, 0xf5, 0x9d, 0x8a, 0x29, 0x83,
	0x21, 0x4a, 0xfe, 0x6c, 0xff, 0x0e, 0x6b, 0x6c 
};


static uint8_t sha256_msg_512[64] = {
	0x35, 0x92, 0xec, 0xfd, 0x1e, 0xac, 0x61, 0x8f,
	0xd3, 0x90, 0xe7, 0xa9, 0xc2, 0x4b, 0x65, 0x65,
	0x32, 0x50, 0x93, 0x67, 0xc2, 0x1a, 0x0e, 0xac,
	0x12, 0x12, 0xac, 0x83, 0xc0, 0xb2, 0x0c, 0xd8,
	0x96, 0xeb, 0x72, 0xb8, 0x01, 0xc4, 0xd2, 0x12,
	0xc5, 0x45, 0x2b, 0xbb, 0xf0, 0x93, 0x17, 0xb5,
	0x0c, 0x5c, 0x9f, 0xb1, 0x99, 0x75, 0x53, 0xd2,
	0xbb, 0xc2, 0x9b, 0xb4, 0x2f, 0x57, 0x48, 0xad 
};

static uint8_t sha256_MD_512[32] = {
	0x10, 0x5a, 0x60, 0x86, 0x58, 0x30, 0xac, 0x3a,
	0x37, 0x1d, 0x38, 0x43, 0x32, 0x4d, 0x4b, 0xb5,
	0xfa, 0x8e, 0xc0, 0xe0, 0x2d, 0xda, 0xa3, 0x89,
	0xad, 0x8d, 0xa4, 0xf1, 0x02, 0x15, 0xc4, 0x54 
};

static uint8_t sha256_msg_2096[262] = {
	0xf6, 0xce, 0x82, 0x21, 0xbf, 0x64, 0x27, 0x3c,
	0x91, 0xc4, 0xcb, 0x41, 0xeb, 0xba, 0x1b, 0xfc,
	0xfa, 0x12, 0xc0, 0x43, 0xc7, 0x01, 0x31, 0x7e,
	0xb0, 0xc0, 0xcb, 0x66, 0x15, 0x7a, 0x23, 0x0c,
	0x53, 0x68, 0x9b, 0x1d, 0xf6, 0x3b, 0x33, 0x65,
	0x2a, 0xba, 0xa2, 0x93, 0x73, 0xac, 0xa6, 0x3c,
	0x9e, 0xf8, 0x98, 0x22, 0xf8, 0x0b, 0x43, 0xb5,
	0xbd, 0x7a, 0xf6, 0xda, 0xd3, 0xe8, 0xd8, 0xec,
	0xb8, 0x2b, 0x7c, 0x00, 0xba, 0xaa, 0xb5, 0x6e,
	0x66, 0x09, 0xac, 0x8d, 0x42, 0x09, 0x2f, 0xbd,
	0xbf, 0xa9, 0x4c, 0xab, 0x69, 0x92, 0x1f, 0xd0,
	0x61, 0xb1, 0xe8, 0x3b, 0x0d, 0x26, 0x60, 0x91,
	0x0e, 0x5d, 0x4e, 0x52, 0x72, 0x7a, 0x55, 0x5d,
	0x2b, 0xfb, 0x10, 0xb7, 0xc0, 0x98, 0x61, 0x88,
	0x43, 0x6e, 0x05, 0x66, 0x83, 0x5d, 0x6c, 0xd6,
	0x82, 0xaf, 0xc8, 0x10, 0x2a, 0xfa, 0x65, 0x03,
	0x3b, 0x47, 0x38, 0x99, 0x88, 0x73, 0xba, 0x3c,
	0x63, 0xd6, 0xf7, 0x99, 0x56, 0x23, 0xe1, 0xa4,
	0x14, 0x8f, 0xeb, 0xdc, 0xae, 0x36, 0xd3, 0xd0,
	0x0a, 0xba, 0xbf, 0xe2, 0x92, 0x2d, 0x8c, 0x4b,
	0x29, 0x31, 0x63, 0x5f, 0x63, 0x5d, 0x8d, 0x12,
	0xf5, 0xe3, 0x88, 0xbc, 0x6a, 0x70, 0x5a, 0x19,
	0x18, 0x54, 0x25, 0x94, 0x53, 0xe3, 0xfc, 0xc5,
	0xe0, 0x1b, 0xf5, 0x38, 0xac, 0x87, 0x7f, 0x70,
	0xbe, 0x62, 0xf6, 0x2b, 0x6b, 0x00, 0x75, 0xe8,
	0xc9, 0x6a, 0xec, 0xa7, 0x66, 0x49, 0x72, 0xf0,
	0x39, 0x05, 0xdc, 0x16, 0xd8, 0x2d, 0x8e, 0xbd,
	0xec, 0x1a, 0x91, 0x9a, 0xe2, 0xcf, 0xe6, 0x7a,
	0xe4, 0x24, 0x1a, 0x86, 0x08, 0x24, 0x1b, 0xc5,
	0xc7, 0xb3, 0x4a, 0xe2, 0xb0, 0x74, 0xd1, 0x30,
	0x5d, 0xe9, 0x37, 0xeb, 0xa7, 0xdc, 0x32, 0xc1,
	0x16, 0xfe, 0xbc, 0x90, 0x9b, 0xcf, 0x68, 0x72,
	0x82, 0xbd, 0xf7, 0xf7, 0xa2, 0x90 
};

static uint8_t sha256_MD_2096[32] = {
	0xef, 0xd3, 0x5c, 0x0d, 0x49, 0xe6, 0xa2, 0x2c,
	0x2b, 0x54, 0x59, 0x9a, 0xbb, 0x0d, 0xfa, 0x41,
	0x94, 0x35, 0xa5, 0xb7, 0x49, 0xef, 0x1c, 0x71,
	0x23, 0xd5, 0x9a, 0x2f, 0xb5, 0xdb, 0x8f, 0x75 
};


/*
 *	HMAC SHA256 Test Vectors from RFC 4231									
 */

static uint8_t test_case1_hmac_sha2_key[20] = {
	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
	0x0b, 0x0b, 0x0b, 0x0b
};

static uint8_t test_case1_hmac_sha2_data[8] = {
	0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65
};
static uint8_t test_case1_hmac_sha256_result[32] = {
	0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53,
	0x5c, 0xa8, 0xaf, 0xce, 0xaf, 0x0b, 0xf1, 0x2b,
	0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83, 0x3d, 0xa7,
	0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7
};
static uint8_t test_case1_hmac_sha384_result[48] = {
	0xaf, 0xd0, 0x39, 0x44, 0xd8, 0x48, 0x95, 0x62,
	0x6b, 0x08, 0x25, 0xf4, 0xab, 0x46, 0x90, 0x7f,
	0x15, 0xf9, 0xda, 0xdb, 0xe4, 0x10, 0x1e, 0xc6,
	0x82, 0xaa, 0x03, 0x4c, 0x7c, 0xeb, 0xc5, 0x9c,
	0xfa, 0xea, 0x9e, 0xa9, 0x07, 0x6e, 0xde, 0x7f,
	0x4a, 0xf1, 0x52, 0xe8, 0xb2, 0xfa, 0x9c, 0xb6
};


static uint8_t test_case2_hmac_sha2_key[4] = {
	0x4a, 0x65, 0x66, 0x65
};
static uint8_t test_case2_hmac_sha2_data[28] = {
	0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20,
	0x79, 0x61, 0x20, 0x77, 0x61, 0x6e, 0x74, 0x20,
	0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
	0x69, 0x6e, 0x67, 0x3f
};
static uint8_t test_case2_hmac_sha256_result[32] = {
	0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e,
	0x6a, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xc7,
	0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83,
	0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43
};
static uint8_t test_case2_hmac_sha384_result[48] = {
	0xaf, 0x45, 0xd2, 0xe3, 0x76, 0x48, 0x40, 0x31,
	0x61, 0x7f, 0x78, 0xd2, 0xb5, 0x8a, 0x6b, 0x1b,
	0x9c, 0x7e, 0xf4, 0x64, 0xf5, 0xa0, 0x1b, 0x47,
	0xe4, 0x2e, 0xc3, 0x73, 0x63, 0x22, 0x44, 0x5e,
	0x8e, 0x22, 0x40, 0xca, 0x5e, 0x69, 0xe2, 0xc7,
	0x8b, 0x32, 0x39, 0xec, 0xfa, 0xb2, 0x16, 0x49
};


static uint8_t test_case3_hmac_sha2_key[20] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa
};
static uint8_t test_case3_hmac_sha2_data[50] = {
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
	0xdd, 0xdd
};
static uint8_t test_case3_hmac_sha256_result[32] = {
	0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46,
	0x85, 0x4d, 0xb8, 0xeb, 0xd0, 0x91, 0x81, 0xa7,
	0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8, 0xc1, 0x22,
	0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe
};
static uint8_t test_case3_hmac_sha384_result[48] = {
	0x88, 0x06, 0x26, 0x08, 0xd3, 0xe6, 0xad, 0x8a,
	0x0a, 0xa2, 0xac, 0xe0, 0x14, 0xc8, 0xa8, 0x6f,
	0x0a, 0xa6, 0x35, 0xd9, 0x47, 0xac, 0x9f, 0xeb,
	0xe8, 0x3e, 0xf4, 0xe5, 0x59, 0x66, 0x14, 0x4b,
	0x2a, 0x5a, 0xb3, 0x9d, 0xc1, 0x38, 0x14, 0xb9,
	0x4e, 0x3a, 0xb6, 0xe1, 0x01, 0xa3, 0x4f, 0x27
};


static uint8_t test_case4_hmac_sha2_key[25] = {
	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
	0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
	0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
	0x19
};
static uint8_t test_case4_hmac_sha2_data[50] = {
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
	0xcd, 0xcd
};
static uint8_t test_case4_hmac_sha256_result[32] = {
	0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e,
	0xa4, 0xcc, 0x81, 0x98, 0x99, 0xf2, 0x08, 0x3a,
	0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78, 0xf8, 0x07,
	0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b
};
static uint8_t test_case4_hmac_sha384_result[48] = {
	0x3e, 0x8a, 0x69, 0xb7, 0x78, 0x3c, 0x25, 0x85,
	0x19, 0x33, 0xab, 0x62, 0x90, 0xaf, 0x6c, 0xa7,
	0x7a, 0x99, 0x81, 0x48, 0x08, 0x50, 0x00, 0x9c,
	0xc5, 0x57, 0x7c, 0x6e, 0x1f, 0x57, 0x3b, 0x4e,
	0x68, 0x01, 0xdd, 0x23, 0xc4, 0xa7, 0xd6, 0x79,
	0xcc, 0xf8, 0xa3, 0x86, 0xc6, 0x74, 0xcf, 0xfb
};


static uint8_t test_case5_hmac_sha2_key[20] = {
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c
};
static uint8_t test_case5_hmac_sha2_data[20] = {
	0x54, 0x65, 0x73, 0x74, 0x20, 0x57, 0x69, 0x74,
	0x68, 0x20, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61,
	0x74, 0x69, 0x6f, 0x6e
};
static uint8_t test_case5_hmac_sha256_result[16] = {
	0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0,
	0x6e, 0x0c, 0x79, 0x6c, 0x29, 0x55, 0x55, 0x2b
};
static uint8_t test_case5_hmac_sha384_result[16] = {
	0x3a, 0xbf, 0x34, 0xc3, 0x50, 0x3b, 0x2a, 0x23,
	0xa4, 0x6e, 0xfc, 0x61, 0x9b, 0xae, 0xf8, 0x97
};


static uint8_t test_case6_hmac_sha2_key[131] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa
};
static uint8_t test_case6_hmac_sha2_data[54] = {
	0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69,
	0x6e, 0x67, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65,
	0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
	0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a,
	0x65, 0x20, 0x4b, 0x65, 0x79, 0x20, 0x2d, 0x20,
	0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79,
	0x20, 0x46, 0x69, 0x72, 0x73, 0x74
};
static uint8_t test_case6_hmac_sha256_result[32] = {
	0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f,
	0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5, 0xb7, 0x7f,
	0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
	0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54
};
static uint8_t test_case6_hmac_sha384_result[48] = {
	0x4e, 0xce, 0x08, 0x44, 0x85, 0x81, 0x3e, 0x90,
	0x88, 0xd2, 0xc6, 0x3a, 0x04, 0x1b, 0xc5, 0xb4,
	0x4f, 0x9e, 0xf1, 0x01, 0x2a, 0x2b, 0x58, 0x8f,
	0x3c, 0xd1, 0x1f, 0x05, 0x03, 0x3a, 0xc4, 0xc6,
	0x0c, 0x2e, 0xf6, 0xab, 0x40, 0x30, 0xfe, 0x82,
	0x96, 0x24, 0x8d, 0xf1, 0x63, 0xf4, 0x49, 0x52
};


static uint8_t test_case7_hmac_sha2_key[131] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa
};

static uint8_t test_case7_hmac_sha2_data[152] = {
	0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
	0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x75,
	0x73, 0x69, 0x6e, 0x67, 0x20, 0x61, 0x20, 0x6c,
	0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, 0x68,
	0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b,
	0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6b, 0x65,
	0x79, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x61, 0x20,
	0x6c, 0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74,
	0x68, 0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63,
	0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x64,
	0x61, 0x74, 0x61, 0x2e, 0x20, 0x54, 0x68, 0x65,
	0x20, 0x6b, 0x65, 0x79, 0x20, 0x6e, 0x65, 0x65,
	0x64, 0x73, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65,
	0x20, 0x68, 0x61, 0x73, 0x68, 0x65, 0x64, 0x20,
	0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x20, 0x62,
	0x65, 0x69, 0x6e, 0x67, 0x20, 0x75, 0x73, 0x65,
	0x64, 0x20, 0x62, 0x79, 0x20, 0x74, 0x68, 0x65,
	0x20, 0x48, 0x4d, 0x41, 0x43, 0x20, 0x61, 0x6c,
	0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d, 0x2e
};
static uint8_t test_case7_hmac_sha256_result[32] = {
	0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb,
	0x27, 0x63, 0x5f, 0xbc, 0xd5, 0xb0, 0xe9, 0x44,
	0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07, 0x13, 0x93,
	0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2
};
static uint8_t test_case7_hmac_sha384_result[48] = {
	0x66, 0x17, 0x17, 0x8e, 0x94, 0x1f, 0x02, 0x0d,
	0x35, 0x1e, 0x2f, 0x25, 0x4e, 0x8f, 0xd3, 0x2c,
	0x60, 0x24, 0x20, 0xfe, 0xb0, 0xb8, 0xfb, 0x9a,
	0xdc, 0xce, 0xbb, 0x82, 0x46, 0x1e, 0x99, 0xc5,
	0xa6, 0x78, 0xcc, 0x31, 0xe7, 0x99, 0x17, 0x6d,
	0x38, 0x60, 0xe6, 0x11, 0x0c, 0x46, 0x52, 0x3e
};


/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_sha_test( zrtp_hash_t *self,
							 const uint8_t *test_vector,
							 int vector_length,
							 const uint8_t *test_result,
							 int test_length)
{
	zrtp_status_t 	res;
	zrtp_string256_t hval = ZSTR_INIT_EMPTY(hval);

	res = self->hash_c(self, (const char*)test_vector, vector_length, (zrtp_stringn_t*)&hval);
	if (zrtp_status_ok != res) {
		return res;
	}
	
	return (0 == zrtp_memcmp(hval.buffer, test_result, test_length)) ? zrtp_status_ok : zrtp_status_fail;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_hmac_test( zrtp_hash_t *self,
							  const uint8_t *key,
							  uint16_t key_length,
							  const uint8_t *test_vector,
							  uint16_t vector_length,
							  const uint8_t *test_result,
							  int test_length)
{
	zrtp_status_t 	res;
	zrtp_string256_t hval = ZSTR_INIT_EMPTY(hval);
	zrtp_string256_t zrtp_key = ZSTR_INIT_EMPTY(zrtp_key);
	zrtp_string256_t zrtp_test_vector = ZSTR_INIT_EMPTY(zrtp_test_vector);

	zrtp_zstrncpyc(ZSTR_GV(zrtp_key), (const char*)key, key_length);	
	zrtp_zstrncpyc(ZSTR_GV(zrtp_test_vector), (const char*)test_vector, vector_length);
	
	res = self->hmac(self, ZSTR_GV(zrtp_key), ZSTR_GV(zrtp_test_vector), ZSTR_GV(hval));	
	if (zrtp_status_ok != res) {
		return res;
	}

	return (0 == zrtp_memcmp(hval.buffer, test_result, test_length)) ? zrtp_status_ok : zrtp_status_fail;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_sha256_self_test(zrtp_hash_t *self)
{
	zrtp_status_t res;
	ZRTP_LOG(3, (_ZTU_,"SHA256 Testing\n"));	

	ZRTP_LOG(3, (_ZTU_, "\t8-bit test... "));
	res = zrtp_sha_test(self, sha256_msg_8, sizeof(sha256_msg_8), sha256_MD_8, sizeof(sha256_MD_8));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t128-bit test... "));
	res = zrtp_sha_test(self, sha256_msg_128, sizeof(sha256_msg_128), sha256_MD_128, sizeof(sha256_MD_128));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t512-bit test... "));
	res = zrtp_sha_test(self, sha256_msg_512, sizeof(sha256_msg_512), sha256_MD_512, sizeof(sha256_MD_512));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t2096-bit test... "));
	res = zrtp_sha_test(self, sha256_msg_2096, sizeof(sha256_msg_2096), sha256_MD_2096, sizeof(sha256_MD_2096));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	return res;
}

zrtp_status_t zrtp_sha384_self_test(zrtp_hash_t *self)
{
	return zrtp_status_ok;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_hmac_sha256_self_test(zrtp_hash_t *self)
{
	zrtp_status_t res;
	ZRTP_LOG(3, (_ZTU_,"HMAC SHA256 Testing\n"));
	
	ZRTP_LOG(3, (_ZTU_, "\t1 case test... "));
	res = zrtp_hmac_test( self, 
						  test_case1_hmac_sha2_key, 
						  sizeof(test_case1_hmac_sha2_key), 
						  test_case1_hmac_sha2_data, 
						  sizeof(test_case1_hmac_sha2_data),
						  test_case1_hmac_sha256_result,
						  sizeof(test_case1_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t2 case test... "));
	res = zrtp_hmac_test( self, 
						  test_case2_hmac_sha2_key, 
						  sizeof(test_case2_hmac_sha2_key), 
						  test_case2_hmac_sha2_data, 
					 	  sizeof(test_case2_hmac_sha2_data),
						  test_case2_hmac_sha256_result,
						  sizeof(test_case2_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t3 case test... "));
	res = zrtp_hmac_test( self, 
						  test_case3_hmac_sha2_key, 
						  sizeof(test_case3_hmac_sha2_key), 
						  test_case3_hmac_sha2_data, 
						  sizeof(test_case3_hmac_sha2_data),
						  test_case3_hmac_sha256_result,
						  sizeof(test_case3_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t4 case test... "));
	res = zrtp_hmac_test(self, 
						test_case4_hmac_sha2_key, 
						sizeof(test_case4_hmac_sha2_key), 
						test_case4_hmac_sha2_data, 
						sizeof(test_case4_hmac_sha2_data),
						test_case4_hmac_sha256_result,
						sizeof(test_case4_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t5 case test..."));
	res = zrtp_hmac_test(self, 
						test_case5_hmac_sha2_key, 
						sizeof(test_case5_hmac_sha2_key), 
						test_case5_hmac_sha2_data, 
						sizeof(test_case5_hmac_sha2_data),
						test_case5_hmac_sha256_result,
						sizeof(test_case5_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t6 case test... "));
	res = zrtp_hmac_test(self, 
						test_case6_hmac_sha2_key, 
						sizeof(test_case6_hmac_sha2_key), 
						test_case6_hmac_sha2_data, 
						sizeof(test_case6_hmac_sha2_data),
						test_case6_hmac_sha256_result,
						sizeof(test_case6_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t7 case test..."));
	res = zrtp_hmac_test(self, 
						test_case7_hmac_sha2_key, 
						sizeof(test_case7_hmac_sha2_key), 
						test_case7_hmac_sha2_data, 
						sizeof(test_case7_hmac_sha2_data),
						test_case7_hmac_sha256_result,
						sizeof(test_case7_hmac_sha256_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	return res;
}

zrtp_status_t zrtp_hmac_sha384_self_test(zrtp_hash_t *self)
{
	zrtp_status_t res;
	ZRTP_LOG(3, (_ZTU_,"HMAC SHA384 Testing\n"));
	
	ZRTP_LOG(3, (_ZTU_, "\t1 case test... "));
	res = zrtp_hmac_test( self, 
						 test_case1_hmac_sha2_key, 
						 sizeof(test_case1_hmac_sha2_key), 
						 test_case1_hmac_sha2_data, 
						 sizeof(test_case1_hmac_sha2_data),
						 test_case1_hmac_sha384_result,
						 sizeof(test_case1_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t2 case test... "));
	res = zrtp_hmac_test( self, 
						 test_case2_hmac_sha2_key, 
						 sizeof(test_case2_hmac_sha2_key), 
						 test_case2_hmac_sha2_data, 
						 sizeof(test_case2_hmac_sha2_data),
						 test_case2_hmac_sha384_result,
						 sizeof(test_case2_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t3 case test... "));
	res = zrtp_hmac_test( self, 
						 test_case3_hmac_sha2_key, 
						 sizeof(test_case3_hmac_sha2_key), 
						 test_case3_hmac_sha2_data, 
						 sizeof(test_case3_hmac_sha2_data),
						 test_case3_hmac_sha384_result,
						 sizeof(test_case3_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t4 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case4_hmac_sha2_key, 
						 sizeof(test_case4_hmac_sha2_key), 
						 test_case4_hmac_sha2_data, 
						 sizeof(test_case4_hmac_sha2_data),
						 test_case4_hmac_sha384_result,
						 sizeof(test_case4_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t5 case test..."));
	res = zrtp_hmac_test(self, 
						 test_case5_hmac_sha2_key, 
						 sizeof(test_case5_hmac_sha2_key), 
						 test_case5_hmac_sha2_data, 
						 sizeof(test_case5_hmac_sha2_data),
						 test_case5_hmac_sha384_result,
						 sizeof(test_case5_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t6 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case6_hmac_sha2_key, 
						 sizeof(test_case6_hmac_sha2_key), 
						 test_case6_hmac_sha2_data, 
						 sizeof(test_case6_hmac_sha2_data),
						 test_case6_hmac_sha384_result,
						 sizeof(test_case6_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t7 case test..."));
	res = zrtp_hmac_test(self, 
						 test_case7_hmac_sha2_key, 
						 sizeof(test_case7_hmac_sha2_key), 
						 test_case7_hmac_sha2_data, 
						 sizeof(test_case7_hmac_sha2_data),
						 test_case7_hmac_sha384_result,
						 sizeof(test_case7_hmac_sha384_result));
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	return res;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_sha1_self_test(zrtp_hash_t *self)
{
	zrtp_status_t res;	
	ZRTP_LOG(3, (_ZTU_,"SHA1 Testing\n"));

	ZRTP_LOG(3, (_ZTU_, "\t8-bit test... "));
	res = zrtp_sha_test(self, sha1_msg_8, sizeof(sha1_msg_8), sha1_MD_8, ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t128-bit test... "));
	res = zrtp_sha_test(self, sha1_msg_128, sizeof(sha1_msg_128), sha1_MD_128, ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t512-bit test... "));
	res = zrtp_sha_test(self, sha1_msg_512, sizeof(sha1_msg_512), sha1_MD_512, ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	ZRTP_LOG(3, (_ZTU_, "\t2096-bit test... "));
	res = zrtp_sha_test(self, sha1_msg_2096, sizeof(sha1_msg_2096), sha1_MD_2096, ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));

	return res;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_hmac_sha1_self_test(zrtp_hash_t *self)
{
	zrtp_status_t res;	
	ZRTP_LOG(3, (_ZTU_,"HMAC SHA1 Testing\n"));
	
	ZRTP_LOG(3, (_ZTU_, "\t1 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case1_hmac_sha1_key, 
						 sizeof(test_case1_hmac_sha1_key), 
						 test_case1_hmac_sha1_data, 
						 sizeof(test_case1_hmac_sha1_data),
						 test_case1_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t2 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case2_hmac_sha1_key, 
						 sizeof(test_case2_hmac_sha1_key), 
						 test_case2_hmac_sha1_data, 
						 sizeof(test_case2_hmac_sha1_data),
						 test_case2_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t3 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case3_hmac_sha1_key, 
						 sizeof(test_case3_hmac_sha1_key), 
						 test_case3_hmac_sha1_data, 
						 sizeof(test_case3_hmac_sha1_data),
						 test_case3_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t4 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case4_hmac_sha1_key, 
						 sizeof(test_case4_hmac_sha1_key), 
						 test_case4_hmac_sha1_data, 
						 sizeof(test_case4_hmac_sha1_data),
						 test_case4_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t5 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case5_hmac_sha1_key, 
						 sizeof(test_case5_hmac_sha1_key), 
						 test_case5_hmac_sha1_data, 
						 sizeof(test_case5_hmac_sha1_data),
						 test_case5_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t6 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case6_hmac_sha1_key, 
						 sizeof(test_case6_hmac_sha1_key), 
						 test_case6_hmac_sha1_data, 
						 sizeof(test_case6_hmac_sha1_data),
						 test_case6_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	ZRTP_LOG(3, (_ZTU_, "\t7 case test... "));
	res = zrtp_hmac_test(self, 
						 test_case7_hmac_sha1_key, 
						 sizeof(test_case7_hmac_sha1_key), 
						 test_case7_hmac_sha1_data, 
						 sizeof(test_case7_hmac_sha1_data),
						 test_case7_hmac_sha1_result,
						 ZRTP_SRTP_HASH_HMAC_SHA1);
	ZRTP_LOGC(3, ("%s\n", zrtp_status_ok == res?"OK":"FALSE"));
	
	return res;
}

/*----------------------------------------------------------------------------*/
zrtp_status_t zrtp_defaults_hash(zrtp_global_t* global_ctx)
{
	zrtp_hash_t* hash_sha384 = zrtp_sys_alloc(sizeof(zrtp_hash_t));
    zrtp_hash_t* hash_sha256 = zrtp_sys_alloc(sizeof(zrtp_hash_t));
	zrtp_hash_t* hash_sha1 = zrtp_sys_alloc(sizeof(zrtp_hash_t));
    if (!hash_sha256 || !hash_sha1 || !hash_sha384) {
		if (hash_sha384) {
			zrtp_sys_free(hash_sha384);
		}
		if (hash_sha256) {
			zrtp_sys_free(hash_sha256);
		}
		if (hash_sha1) {
			zrtp_sys_free(hash_sha1);
		}
		return zrtp_status_alloc_fail;
    }
    
	zrtp_memset(hash_sha384, 0, sizeof(zrtp_hash_t));
    zrtp_memset(hash_sha256, 0, sizeof(zrtp_hash_t));
	zrtp_memset(hash_sha1, 0, sizeof(zrtp_hash_t));

	zrtp_memcpy(hash_sha384->base.type, ZRTP_S384, ZRTP_COMP_TYPE_SIZE);
	hash_sha384->base.id			= ZRTP_HASH_SHA384;
    hash_sha384->base.zrtp			= global_ctx;
	hash_sha384->block_length		= SHA384_BLOCK_SIZE;
	hash_sha384->digest_length		= SHA384_DIGEST_SIZE;
	
    hash_sha384->hash_begin			= zrtp_sha_begin;
    hash_sha384->hash_update		= zrtp_sha_update;
    hash_sha384->hash_end			= zrtp_sha_end;
    hash_sha384->hash				= zrtp_sha;
	hash_sha384->hash_c				= zrtp_sha_c;
	hash_sha384->hash_self_test		= zrtp_sha384_self_test;
    
	hash_sha384->hmac_begin_c		= zrtp_hmac_sha384_begin_c;
	hash_sha384->hmac_begin			= zrtp_hmac_begin;
    hash_sha384->hmac_update		= zrtp_hmac_update;
    hash_sha384->hmac_end			= zrtp_hmac_end;
    hash_sha384->hmac				= zrtp_hmac;
	hash_sha384->hmac_c				= zrtp_hmac_c;
    hash_sha384->hmac_truncated		= zrtp_hmac_truncated;
	hash_sha384->hmac_truncated_c	= zrtp_hmac_truncated_c;
	hash_sha384->hmac_self_test		= zrtp_hmac_sha384_self_test;
	
	zrtp_memcpy(hash_sha256->base.type, ZRTP_S256, ZRTP_COMP_TYPE_SIZE);
	hash_sha256->base.id			= ZRTP_HASH_SHA256;
    hash_sha256->base.zrtp			= global_ctx;
	hash_sha256->block_length		= SHA256_BLOCK_SIZE;
	hash_sha256->digest_length		= SHA256_DIGEST_SIZE;
	
    hash_sha256->hash_begin			= zrtp_sha_begin;
    hash_sha256->hash_update		= zrtp_sha_update;
    hash_sha256->hash_end			= zrtp_sha_end;
    hash_sha256->hash				= zrtp_sha;
	hash_sha256->hash_c				= zrtp_sha_c;
	hash_sha256->hash_self_test		= zrtp_sha256_self_test;
    
	hash_sha256->hmac_begin_c		= zrtp_hmac_sha256_begin_c;
	hash_sha256->hmac_begin			= zrtp_hmac_begin;
    hash_sha256->hmac_update		= zrtp_hmac_update;
    hash_sha256->hmac_end			= zrtp_hmac_end;
    hash_sha256->hmac				= zrtp_hmac;
	hash_sha256->hmac_c				= zrtp_hmac_c;
    hash_sha256->hmac_truncated		= zrtp_hmac_truncated;
	hash_sha256->hmac_truncated_c	= zrtp_hmac_truncated_c;
	hash_sha256->hmac_self_test		= zrtp_hmac_sha256_self_test;
	

    zrtp_memcpy(hash_sha1->base.type, ZRTP_S160, ZRTP_COMP_TYPE_SIZE);
	hash_sha1->base.id				= ZRTP_SRTP_HASH_HMAC_SHA1;
    hash_sha1->base.zrtp			= global_ctx;
	hash_sha1->block_length			= SHA1_BLOCK_SIZE;
	hash_sha1->digest_length		= SHA1_DIGEST_SIZE;
	
    hash_sha1->hash_begin			= zrtp_sha_begin;
    hash_sha1->hash_update			= zrtp_sha_update;
    hash_sha1->hash_end				= zrtp_sha_end;
    hash_sha1->hash					= zrtp_sha;
	hash_sha1->hash_c				= zrtp_sha_c;
	hash_sha1->hash_self_test		= zrtp_sha1_self_test;
    
	hash_sha1->hmac_begin_c			= zrtp_hmac_sha1_begin_c;
	hash_sha1->hmac_begin			= zrtp_hmac_begin;	
	hash_sha1->hmac_update			= zrtp_hmac_update;
	hash_sha1->hmac_end				= zrtp_hmac_end;
    hash_sha1->hmac					= zrtp_hmac;
	hash_sha1->hmac_c				= zrtp_hmac_c;
    hash_sha1->hmac_truncated 		= zrtp_hmac_truncated;
	hash_sha1->hmac_truncated_c		= zrtp_hmac_truncated_c;
	hash_sha1->hmac_self_test		= zrtp_hmac_sha1_self_test;

	zrtp_comp_register(ZRTP_CC_HASH, hash_sha384, global_ctx);
	zrtp_comp_register(ZRTP_CC_HASH, hash_sha256, global_ctx);
    zrtp_comp_register(ZRTP_CC_HASH, hash_sha1, global_ctx);

    return zrtp_status_ok;
}