Big refactoring of the EP module.

include/relic_core.h

@@ -267,8 +267,6 @@ typedef struct _ctx_t {
 	fp_st ep_a;
 	/** The b-coefficient of the elliptic curve. */
 	fp_st ep_b;
-	/** The value 3b used in elliptic curve arithmetic. */
-	fp_st ep_b3;
 	/** The generator of the elliptic curve. */
 	ep_st ep_g;
 	/** The order of the group of points in the elliptic curve. */
@@ -292,8 +290,6 @@ typedef struct _ctx_t {
 	int ep_opt_a;
 	/** Optimization identifier for the b-coefficient. */
 	int ep_opt_b;
-	/** Optimization identifier for the b3 value. */
-	int ep_opt_b3;
 	/** Flag that stores if the prime curve has efficient endomorphisms. */
 	int ep_is_endom;
 	/** Flag that stores if the prime curve is supersingular. */

include/relic_ep.h

@@ -183,6 +183,8 @@ enum {
 	N16_P766,
 	/* Fotiadis-Moartindale with embedding degree 18. */
 	FM18_P768,
+	/** Barreto-Lynn-Scott curve with embedding degree 12. */
+	B12_P1150,
 	/** 1536-bit supersingular curve. */
 	SS_P1536,
 	/** 3072-bit supersingular curve. */

include/relic_fp.h

@@ -166,6 +166,8 @@ enum {
 	FM18_768,
 	/** 1024-bit prime for CTIDH. */
 	CTIDH_1024,
+	/** 1150-bit prime for BLS curve with embedding degree 12. */
+	B12_1150,
 	/** 1536-bit prime for supersingular curve with embedding degree k = 2. */
 	SS_1536,
 	/** 2048-bit prime for CTDIH. */