diff -up openssl-1.0.1k/crypto/ec/ec_curve.c.secp256k1 openssl-1.0.1k/crypto/ec/ec_curve.c
--- openssl-1.0.1k/crypto/ec/ec_curve.c.secp256k1	2015-08-13 07:47:37.890966462 -0400
+++ openssl-1.0.1k/crypto/ec/ec_curve.c	2015-08-13 08:01:31.697866786 -0400
@@ -82,6 +82,36 @@ typedef struct {
 	unsigned int cofactor;	/* promoted to BN_ULONG */
 } EC_CURVE_DATA;
 
+static const struct { EC_CURVE_DATA h; unsigned char data[0+32*6]; }
+	_EC_SECG_PRIME_256K1 = {
+	{ NID_X9_62_prime_field,0,32,1 },
+	{							/* no seed */
+	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,	/* p */
+	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0xFF,
+	  0xFC,0x2F,
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,	/* a */
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	  0x00,0x00,
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,	/* b */
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    
+	  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+	  0x00,0x07,
+	  0x79,0xBE,0x66,0x7E,0xF9,0xDC,0xBB,0xAC,0x55,0xA0,	/* x */
+	  0x62,0x95,0xCE,0x87,0x0B,0x07,0x02,0x9B,0xFC,0xDB,
+	  0x2D,0xCE,0x28,0xD9,0x59,0xF2,0x81,0x5B,0x16,0xF8,
+	  0x17,0x98,
+	  0x48,0x3a,0xda,0x77,0x26,0xa3,0xc4,0x65,0x5d,0xa4,	/* y */
+	  0xfb,0xfc,0x0e,0x11,0x08,0xa8,0xfd,0x17,0xb4,0x48,
+	  0xa6,0x85,0x54,0x19,0x9c,0x47,0xd0,0x8f,0xfb,0x10,
+	  0xd4,0xb8,
+	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,	/* order */
+	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xBA,0xAE,0xDC,0xE6,
+	  0xAF,0x48,0xA0,0x3B,0xBF,0xD2,0x5E,0x8C,0xD0,0x36,
+	  0x41,0x41 }
+	};
+
 static const struct { EC_CURVE_DATA h; unsigned char data[20+48*6]; }
 	_EC_NIST_PRIME_384 = {
 	{ NID_X9_62_prime_field,20,48,1 },
@@ -212,6 +242,7 @@ typedef struct _ec_list_element_st {
 static const ec_list_element curve_list[] = {
 	/* prime field curves */
 	/* secg curves */
+	{ NID_secp256k1, &_EC_SECG_PRIME_256K1.h, 0, "SECG curve over a 256 bit prime field" },
 	/* SECG secp256r1 is the same as X9.62 prime256v1 and hence omitted */
 	{ NID_secp384r1, &_EC_NIST_PRIME_384.h, 0, "NIST/SECG curve over a 384 bit prime field" },
 #ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
diff -up openssl-1.0.1k/ssl/t1_lib.c.secp256k1 openssl-1.0.1k/ssl/t1_lib.c
--- openssl-1.0.1k/ssl/t1_lib.c.secp256k1	2015-08-13 08:03:17.401589785 -0400
+++ openssl-1.0.1k/ssl/t1_lib.c	2015-08-13 08:05:44.283292971 -0400
@@ -218,6 +218,7 @@ static int pref_list[] =
 		NID_sect283k1, /* sect283k1 (9) */
 		NID_sect283r1, /* sect283r1 (10) */ 
 #endif
+		NID_secp256k1, /* secp256k1 (22) */
 		NID_X9_62_prime256v1, /* secp256r1 (23) */ 
 #ifndef OPENSSL_NO_EC2M
 		NID_sect239k1, /* sect239k1 (8) */